The inability to initiate a vehicle’s engine and climate control systems from a distance via a smartphone application is a frustrating issue for many Subaru owners. This functionality, designed for convenience and comfort, relies on a complex interplay of cellular connectivity, vehicle telematics, and software integration. When this system malfunctions, the intended benefits of pre-conditioning the vehicle’s interior temperature and preparing for departure are negated.
The convenience of remotely starting a car offers considerable value, particularly in extreme weather conditions. It allows for warming up the engine in cold climates, defrosting windows, or precooling the cabin during hot weather. Furthermore, remote start can improve vehicle security by enabling confirmation of locked doors and location tracking. The increasing reliance on connected car technologies highlights the significance of resolving issues that disrupt these functionalities. As these systems become more integrated into daily life, reliable operation becomes paramount.
Troubleshooting this specific remote start problem requires examining several potential causes, ranging from simple user errors to complex system malfunctions. A logical approach will involve verifying subscription status, assessing cellular service availability, confirming vehicle settings, and potentially contacting Subaru customer support or a qualified technician for diagnostic assistance.
1. Subscription status
The activation and maintenance of the Subaru remote start feature, accessible through the associated mobile application, are contingent upon an active subscription. This digital service necessitates ongoing payment to Subaru or its designated service provider. Lapses in subscription coverage are a primary cause for the remote start feature’s inoperability.
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Service Deactivation upon Expiration
Upon expiration of the initial trial period or subsequent renewal cycles, the connected services, including remote start, are automatically deactivated. The vehicle’s telematics system will cease responding to remote commands initiated through the mobile application. A common scenario involves users overlooking renewal notifications, leading to unexpected feature downtime. The implication is a loss of remote start functionality until the subscription is reinstated.
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Tiered Subscription Models
Subaru may offer various subscription tiers, with remote start potentially residing within a higher-priced package. Downgrading to a less comprehensive tier could inadvertently eliminate access to the remote start feature, resulting in its malfunction. For example, a user might switch from a “Premium” to a “Basic” plan, discovering that the remote start functionality is no longer available. This underscores the need to understand the features included within each subscription level.
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Payment Processing Issues
Failures in payment processing can lead to temporary suspension or permanent cancellation of the subscription, even if the user intends to maintain it. Credit card expiration, insufficient funds, or incorrect billing information can all trigger payment failures. The immediate consequence is the disruption of connected services, including remote start. Resolving these payment issues through the Subaru customer portal is usually required to restore functionality.
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Vehicle Eligibility and Service Availability
Not all Subaru models or trim levels are equipped with the hardware necessary to support remote start via the mobile application. Furthermore, service availability can vary depending on geographic location due to network coverage limitations or regulatory restrictions. A user attempting to use the feature on an ineligible vehicle or in an unsupported region will experience consistent failures. Verification of vehicle compatibility and regional service availability is thus essential.
In summary, the operational status of the Subaru remote start system is directly linked to the validity and characteristics of the user’s subscription. Expiration, tier changes, payment failures, and vehicle/regional limitations can all manifest as a non-functional remote start system, emphasizing the importance of proactive subscription management and understanding the associated service terms.
2. Cellular Signal
The reliable operation of Subaru’s remote start feature, when initiated through the mobile application, is fundamentally dependent on consistent and adequate cellular signal strength. This connectivity acts as the communication bridge between the user’s smartphone and the vehicle’s embedded telematics system. Diminished or absent cellular service directly impedes the ability to send and receive commands, resulting in a non-functional remote start system.
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Vehicle Location and Network Coverage
The geographical location of the Subaru vehicle significantly influences signal availability. Parking in areas with poor cellular infrastructure, such as underground garages, remote rural areas, or regions with network congestion, can prevent successful remote start attempts. The vehicle’s ability to communicate with the Subaru servers is directly tied to the presence of a viable cellular connection at its location. This situation contrasts with locations where strong, consistent cellular service is available, enabling seamless remote start execution. The implications include the need to ensure the vehicle is parked in an area with adequate coverage before attempting to use the remote start feature.
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Cellular Provider Compatibility and Network Technology
The telematics unit within the Subaru vehicle is designed to operate on specific cellular network technologies and may be tied to a particular cellular service provider. Incompatibility issues, such as a vehicle designed for a 3G network operating in an area primarily supporting 4G or 5G, can lead to connectivity problems. Similarly, if the telematics unit’s provider experiences outages or service disruptions, the remote start functionality will be impaired. Examples include older models with 3G modems facing sunsetting of 3G networks. This underscores the importance of verifying network compatibility and the service provider’s operational status.
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Signal Interference and Obstructions
Physical obstructions and electromagnetic interference can disrupt cellular signals, hindering the remote start system’s operation. Buildings with thick walls, dense foliage, or proximity to sources of electromagnetic radiation can weaken or block the signal, preventing the vehicle from receiving remote start commands. This is similar to how radio waves are affected by terrain or weather conditions. The consequences include intermittent or complete failure of the remote start feature in environments with significant signal interference.
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Vehicle Antenna Integrity and Functionality
The vehicle’s antenna, responsible for receiving and transmitting cellular signals, can be damaged or malfunction. Physical damage from collisions, environmental factors, or component failure can compromise the antenna’s ability to establish a reliable connection. A damaged antenna weakens signal reception, increasing the likelihood of remote start failure. This can be compared to a broken radio antenna leading to poor reception. Regular inspection and maintenance of the vehicle’s antenna are essential for ensuring consistent cellular connectivity and remote start functionality.
In summary, the reliability of cellular signal reception is paramount for the successful execution of remote start commands in Subaru vehicles. Factors such as vehicle location, network compatibility, signal interference, and antenna integrity directly influence the system’s operability. When troubleshooting remote start issues, assessing the cellular signal strength at the vehicle’s location and verifying the health of the telematics system’s connection are crucial steps in identifying the root cause of the problem.
3. App version
The software application used to remotely control Subaru vehicle functions is subject to iterative updates and revisions. The specific version of this application installed on the user’s device can significantly impact the reliability and functionality of the remote start feature. Outdated or incompatible app versions are a common source of remote start failures.
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Compatibility with Vehicle Telematics
Subaru’s vehicle telematics systems undergo periodic software updates to enhance performance and security. Subsequent app versions are released to maintain compatibility with these vehicle-side updates. Utilizing an older app version may lead to communication errors or feature malfunctions due to discrepancies in the communication protocols. For example, a vehicle updated to the latest telematics firmware may not recognize commands from an app version predating that update. This emphasizes the need for app and vehicle software to remain synchronized for optimal performance.
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Bug Fixes and Performance Enhancements
Software applications often contain bugs or inefficiencies that can affect functionality. Newer app versions typically include bug fixes and performance enhancements designed to resolve these issues. An outdated app may retain known issues that directly impact the remote start feature, such as connection instability or incorrect command execution. An example is an early app version experiencing frequent crashes during remote start initiation, an issue addressed in a later update. Therefore, maintaining an updated app ensures access to the latest performance improvements and bug resolutions.
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Operating System Compatibility
Mobile operating systems, such as iOS and Android, are also subject to frequent updates. App developers must adapt their applications to maintain compatibility with these evolving platforms. An outdated app version may exhibit compatibility issues with newer operating system releases, leading to malfunctions. An example is an app designed for an older version of Android failing to function correctly on a device running the latest Android version. Regular app updates are critical for ensuring seamless operation across different operating system environments.
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Security Updates and Vulnerability Patches
Mobile applications can be vulnerable to security exploits that could compromise vehicle security or user data. App updates often include security patches to address these vulnerabilities. Using an outdated app version exposes users to potential security risks. An example is a prior version of the app containing a vulnerability that could allow unauthorized access to vehicle control features. Keeping the app updated ensures that the latest security measures are in place to protect against potential threats.
Therefore, to ensure reliable remote start operation, it is essential to maintain the Subaru mobile application at its latest available version. Incompatibilities, unresolved bugs, lack of operating system compatibility, and security vulnerabilities in older versions can all contribute to the “subaru app remote start not working” issue. Regularly updating the app serves as a crucial step in troubleshooting and preventing such problems.
4. Vehicle settings
The configuration of various parameters within the Subaru vehicle’s infotainment system and associated modules directly influences the availability and proper functioning of the remote start feature via the mobile application. Incorrect or unintended settings can readily result in the “subaru app remote start not working” scenario.
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Remote Start Enablement in Infotainment System
Many Subaru models feature a setting within the infotainment system that permits or restricts the use of remote start functionality. If this setting is inadvertently disabled, the vehicle will ignore remote start commands initiated from the mobile application. For example, a user might accidentally disable the feature while navigating the infotainment menus, resulting in the vehicle failing to respond to remote start requests. The implication is that a simple check and adjustment of this setting may resolve the issue without requiring more complex troubleshooting steps.
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Security System Integration and Immobilization
The remote start feature is intricately linked to the vehicle’s security system. If the security system is triggered or a fault is detected, the remote start function may be automatically disabled as a preventative measure. For instance, an aftermarket alarm system improperly integrated with the vehicle’s electronics could interfere with the remote start sequence. This integration often occurs through the CAN bus. Addressing such issues requires diagnosing and rectifying any faults within the security system to restore remote start capability.
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Automatic Engine Shutoff Timers and Conditions
Subaru vehicles incorporate safety features, including automatic engine shutoff timers and conditional shutdowns based on sensor data. If these timers are set to an excessively short duration or if the vehicle detects a condition that triggers a shutdown (e.g., low fuel, open hood), the engine may shut off prematurely after a remote start, or the remote start may be prevented altogether. For example, if the automatic engine shutoff is set to 5 minutes and the user attempts to extend the run time via the app, the vehicle might disregard the extension request. Properly configuring these timers and addressing any underlying fault conditions are necessary for seamless remote start operation.
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Valet Mode Restrictions
Some Subaru models offer a “Valet Mode” which limits vehicle functionality for security purposes. This mode often disables features such as remote start to prevent unauthorized use. If Valet Mode is active, remote start attempts via the mobile application will be unsuccessful. An example is a user forgetting that Valet Mode was enabled and subsequently being unable to start the car remotely. Deactivating Valet Mode through the designated procedure restores full vehicle functionality, including remote start.
Therefore, verifying the correct configuration of vehicle settings is a fundamental step in diagnosing instances of “subaru app remote start not working”. Infotainment settings, security system integration, engine shutoff parameters, and Valet Mode status can all directly impact the remote start feature’s operability. A systematic review of these settings often reveals the source of the problem and allows for a straightforward resolution.
5. Battery health
The condition of the vehicle’s 12-volt battery is intrinsically linked to the functionality of the remote start system. Insufficient battery voltage can prevent the remote start system from initiating, even if all other prerequisites are met. This occurs because the vehicle’s electronic control units (ECUs), including the telematics module responsible for communicating with the mobile application, require a stable power supply to operate correctly. A degraded battery may exhibit sufficient voltage for basic functions but fail under the increased load demanded by the remote start sequence. This constitutes a common, and often overlooked, cause of remote start inoperability.
For example, a vehicle that primarily undertakes short trips may not allow the battery to fully recharge, gradually depleting its capacity. This is even more pronounced during periods of cold weather, as battery performance diminishes at lower temperatures. In such scenarios, the driver may experience inconsistent or complete failure of the remote start system. Furthermore, parasitic drains from aftermarket accessories or malfunctioning vehicle components can accelerate battery discharge, further compounding the problem. A vehicle with a weak battery may exhibit normal starting behavior when the engine is warm but fail to remote start after sitting idle for an extended period. Understanding this dependency allows for preventative maintenance, such as regular battery testing and trickle charging, which can preemptively address potential remote start issues.
In summary, maintaining optimal battery health is crucial for ensuring the reliable operation of the remote start feature in Subaru vehicles. Insufficient voltage due to a weak or discharged battery can directly impede the remote start sequence. Routine battery maintenance, including testing and charging, is recommended, particularly for vehicles subjected to short trips or operating in cold climates, to mitigate potential remote start failures and maintain the convenience offered by this technology.
6. Server issues
Centralized server infrastructure underpins the Subaru mobile application’s remote start functionality. Disruptions or outages affecting these servers directly translate into the “subaru app remote start not working” problem. The application relies on consistent communication with Subaru’s servers to authenticate user requests, verify vehicle eligibility, and relay commands to the vehicle’s telematics unit. Therefore, any interruption in server availability, whether planned maintenance, unexpected failures, or network congestion, will prevent successful remote start initiation. The operational status of these servers represents a single point of failure for the entire remote start ecosystem.
Instances of widespread remote start failure coinciding with reported server outages highlight the direct connection between server health and feature functionality. Consider a scenario where a surge in user activity following a weather event overloads the server capacity, leading to delayed or failed remote start requests. Alternatively, a software update deployed on the server side may introduce unforeseen bugs that compromise the system’s stability, affecting all users attempting to utilize the remote start function. The interconnected nature of these systems means that even localized server problems can have broad consequences for the user base. The ability to diagnose server-side issues is typically limited to Subaru’s internal IT teams, emphasizing the user’s dependence on the company’s infrastructure management capabilities.
Understanding the potential impact of server-side issues clarifies why troubleshooting efforts should extend beyond the user’s device and vehicle. While checking app versions, cellular connectivity, and vehicle settings remains important, recognizing the possibility of a server outage allows for a more efficient and accurate diagnosis. In situations where widespread reports of remote start failure emerge, verifying the server status through Subaru’s official channels or community forums becomes a crucial step in determining the root cause and avoiding unnecessary troubleshooting steps on the user end. Ultimately, the reliability of the remote start feature is dependent on the robust and consistently available server infrastructure supporting it.
7. Security protocols
Security protocols are integral to the operation of remote vehicle functions, including remote start. Failure of these protocols can directly manifest as an inability to initiate the vehicle remotely, thus contributing to the “subaru app remote start not working” issue. Modern vehicles employ complex authentication and authorization procedures to prevent unauthorized access and control. These procedures involve encrypted communication between the mobile application, Subaru’s servers, and the vehicle’s telematics module. Any disruption or failure within this chain can prevent the remote start command from being validated and executed. An example is a compromised encryption key used for communication, which would cause the authentication process to fail, effectively disabling the remote start feature.
Security protocols also encompass measures designed to prevent replay attacks and other forms of unauthorized access. These measures involve time-sensitive tokens and dynamic encryption keys, which are regularly updated to minimize the window of opportunity for malicious actors. If the mobile application or the vehicle’s telematics module fails to synchronize with the latest security parameters, remote start commands will be rejected. For instance, if the telematics unit’s internal clock is inaccurate, it may reject valid commands due to a perceived timestamp mismatch. The importance of these protocols extends beyond mere convenience; they safeguard the vehicle from potential theft and unauthorized control, highlighting the necessity of robust security measures even at the expense of occasional functional disruptions.
In conclusion, the “subaru app remote start not working” situation can often be attributed to security protocol failures, stemming from authentication issues, synchronization problems, or proactive security measures triggered by perceived anomalies. While these measures may occasionally impede legitimate remote start attempts, their primary purpose is to protect the vehicle from unauthorized access and control. A thorough understanding of these underlying security mechanisms is essential for both users and service technicians when diagnosing and resolving remote start issues, balancing user convenience with vehicle security.
8. Module malfunction
A malfunctioning module within a Subaru vehicle represents a significant cause of the “subaru app remote start not working” problem. Several modules contribute to the remote start functionality, including the telematics control unit (TCU), body control module (BCM), and engine control unit (ECU). Each module performs specific functions, such as communicating with the mobile application, managing vehicle security, and controlling engine operation. Failure of any of these modules can disrupt the remote start sequence. For example, a failing TCU may be unable to receive commands from the app, while a faulty BCM could prevent the vehicle from entering the correct state for remote start. The interconnected nature of these modules means that a malfunction in one area can have cascading effects on the entire system.
The impact of a module malfunction is further compounded by the diagnostic complexity. Identifying the specific failing module requires specialized tools and expertise. A generic OBD-II scan may not pinpoint the exact source of the problem, necessitating more advanced diagnostic procedures, such as module-specific testing and data logging. Consider a scenario where the ECU is experiencing intermittent communication failures. This might not trigger a persistent diagnostic trouble code (DTC), but it could still prevent the remote start system from initializing. In such cases, a technician would need to analyze communication logs between the ECU and other modules to identify the root cause. Replacement or reprogramming of the affected module is often required to restore proper functionality. The cost associated with this type of repair can be substantial, encompassing both parts and labor costs.
In conclusion, module malfunctions constitute a critical factor in understanding the “subaru app remote start not working” issue. These failures can stem from various causes, including hardware defects, software corruption, or external factors such as voltage spikes. Accurate diagnosis and repair often require specialized equipment and expertise, highlighting the importance of seeking professional assistance when encountering persistent remote start problems. Addressing module malfunctions directly impacts the reliability and functionality of the remote start system, ultimately enhancing the user experience and convenience offered by the connected car features.
9. Software glitches
Software glitches within the various systems governing a Subaru vehicle’s remote start function can disrupt its operation, contributing significantly to instances of the “subaru app remote start not working” problem. These glitches, arising from errors in code, data corruption, or unforeseen interactions between software components, can manifest in a variety of ways, preventing the successful execution of remote start commands.
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Application-Side Errors
Glitches within the mobile application itself can hinder the transmission of remote start requests. These errors may stem from coding flaws, data inconsistencies, or conflicts with the device’s operating system. An example includes the application crashing upon attempting to initiate remote start, displaying an error message, or failing to establish a connection with Subaru’s servers. Such application-side errors prevent the user’s command from ever reaching the vehicle, effectively disabling the remote start feature.
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Telematics Control Unit (TCU) Issues
The TCU, responsible for communication between the mobile application and the vehicle, is susceptible to software-related problems. These issues can range from corrupted firmware to communication protocol errors. A malfunctioning TCU may fail to receive or process remote start commands correctly, leading to the vehicle not responding. Examples include the TCU losing its cellular connection, failing to authenticate the user’s request, or misinterpreting the remote start command. These problems directly impede the remote start functionality.
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Vehicle-Side Software Conflicts
The remote start system interacts with other vehicle systems, such as the body control module (BCM) and engine control unit (ECU). Software conflicts between these systems can disrupt the remote start sequence. For example, a glitch in the BCM could prevent the doors from locking correctly, a prerequisite for remote start. Similarly, an ECU software error might prevent the engine from starting even after receiving the remote start command. These software interactions highlight the importance of seamless communication between various vehicle modules.
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Over-the-Air (OTA) Update Failures
Subaru vehicles receive software updates wirelessly to improve performance and address bugs. Failed or incomplete OTA updates can introduce new glitches or exacerbate existing problems, potentially affecting the remote start system. An interrupted update could corrupt the TCU’s firmware, rendering the remote start feature inoperable. Similarly, a flawed update might introduce compatibility issues with the mobile application. Successfully completing OTA updates is crucial for maintaining the overall health of the vehicle’s software and ensuring the proper functioning of remote start.
These varied software glitches highlight the complexity of modern vehicle systems and their susceptibility to errors. While hardware failures can certainly contribute to the “subaru app remote start not working” issue, software-related problems are often the underlying cause. Addressing these glitches requires a combination of thorough testing, robust error handling, and proactive software maintenance by both the vehicle manufacturer and the application developer. Understanding the potential for software-related problems is essential for effective troubleshooting and resolving remote start failures.
Frequently Asked Questions
The following questions and answers address common concerns regarding the remote start feature within the Subaru mobile application.
Question 1: Why does the Subaru mobile application fail to initiate the remote start function despite an active subscription?
Several factors can cause this. Inadequate cellular signal strength at the vehicle’s location prevents communication with Subaru servers. Incorrect vehicle settings, such as disabled remote start within the infotainment system, can also impede functionality. Furthermore, verify that the mobile application is updated to the latest version to ensure compatibility with vehicle telematics.
Question 2: What role does the vehicle’s battery health play in remote start operation?
A weak or degraded 12-volt battery can prevent the remote start system from activating. The remote start sequence requires sufficient voltage to power the various electronic control units involved. If the battery voltage drops below a certain threshold, the system will not initiate the remote start process. Routine battery maintenance, including testing and charging, is recommended.
Question 3: Can server-side issues at Subaru affect the remote start feature’s availability?
Yes, the remote start functionality relies on communication with Subaru’s central servers. Outages or maintenance affecting these servers will prevent users from remotely starting their vehicles. Widespread reports of remote start failures may indicate a server-side issue. Official Subaru channels or community forums are resources for verifying server status.
Question 4: How do security protocols impact the remote start system’s functionality?
Security protocols are integral to preventing unauthorized vehicle access. Failures in authentication or synchronization between the mobile application, Subaru servers, and the vehicle’s telematics module can prevent remote start commands from being executed. These protocols safeguard the vehicle but may, on occasion, impede legitimate remote start attempts.
Question 5: What should be done if a module malfunction is suspected?
If a module malfunction, such as a faulty telematics control unit (TCU), is suspected, professional diagnostic assistance is required. Specialized tools and expertise are needed to identify the specific failing module and perform the necessary repairs or replacements. General OBD-II scans may not be sufficient to pinpoint the problem accurately.
Question 6: Can software glitches within the mobile application or vehicle systems cause remote start failures?
Yes, software glitches can disrupt the remote start system. These errors can arise from coding flaws, data corruption, or conflicts between software components. Keeping the mobile application updated and ensuring the vehicle receives over-the-air (OTA) software updates are crucial steps in mitigating these issues.
Troubleshooting remote start inoperability requires a systematic approach, addressing potential issues ranging from subscription status to vehicle module malfunctions. Regularly monitoring vehicle health and maintaining updated software enhances the reliability of this feature.
This concludes the frequently asked questions section. For further assistance, consulting the vehicle’s owner’s manual or contacting Subaru customer support is recommended.
Troubleshooting Inoperative Remote Start Systems
Addressing a non-functional remote start system in Subaru vehicles requires a systematic approach, encompassing both user-level checks and, if necessary, professional diagnostic procedures. The following recommendations provide guidance for resolving common issues.
Tip 1: Verify Subscription Status and Activation
Confirm the active status of the Subaru Starlink subscription, or equivalent service, enabling remote start functionality. Expired subscriptions are a primary cause. Access the Subaru owner portal or mobile application to verify subscription details and renewal options.
Tip 2: Assess Cellular Network Connectivity at the Vehicle’s Location
Evaluate the cellular signal strength at the vehicle’s parked location. Weak or absent signal prevents communication with Subaru servers. Relocate the vehicle to an area with improved cellular coverage before attempting remote start.
Tip 3: Ensure Mobile Application and Vehicle Software are Current
Maintain the latest versions of the Subaru mobile application and the vehicle’s telematics software. Outdated software introduces compatibility issues. Enable automatic updates or manually check for updates through the respective application stores or the vehicle’s infotainment system.
Tip 4: Examine Vehicle Settings Related to Remote Start
Inspect the vehicle’s infotainment system for settings pertaining to remote start functionality. Ensure that the remote start feature is enabled and that no conflicting settings, such as Valet Mode, are active.
Tip 5: Evaluate the Vehicle’s 12-Volt Battery Condition
Assess the health of the vehicle’s 12-volt battery. Insufficient voltage inhibits remote start operation. Consider a battery load test or utilize a trickle charger to maintain optimal battery charge levels.
Tip 6: Record Diagnostic Data During Failure Events
When remote start fails, document the time, location, and any error messages displayed in the app or vehicle. This information assists service technicians in diagnosing intermittent issues. Consider recording a short video of the app’s behavior during a failure, if possible.
Tip 7: Seek Professional Diagnostic Assistance When Necessary
If basic troubleshooting steps prove ineffective, seek professional diagnostic assistance from a qualified Subaru service technician. Complex issues involving module malfunctions or software glitches require specialized tools and expertise.
Adhering to these recommendations enhances the likelihood of resolving remote start problems effectively and efficiently. Systematic troubleshooting minimizes unnecessary diagnostic procedures and facilitates a swift resolution.
These tips offer a practical approach to mitigating issues related to the remote start feature. Proactive maintenance and diligent problem-solving contribute to a seamless user experience.
Conclusion
The multifaceted nature of the “subaru app remote start not working” issue necessitates a comprehensive diagnostic approach. This exploration has detailed potential causes, ranging from subscription deficiencies and cellular connectivity problems to vehicle setting misconfigurations, battery health concerns, server-side disruptions, security protocol impediments, module malfunctions, and software glitches. Successfully resolving this issue demands a systematic assessment of these factors.
Continued vigilance in maintaining software and hardware components, alongside proactive monitoring of subscription services and cellular network availability, will significantly mitigate the occurrence of remote start failures. For persistent issues, engaging qualified service professionals is essential to ensure accurate diagnosis and restoration of full functionality. The convenience and utility afforded by the remote start feature warrant diligent attention to these preventative and corrective measures.
