BMW DTC P1A61 – Hybrid/EV Battery Overtemperature Detected by Temperature Sensor ‘A’
DTC P1A61 meaning on BMW
The Diagnostic Trouble Code (DTC) P1A61 for BMW indicates that the hybrid or electric vehicle battery has been detected as overtemperature by Temperature Sensor ‘A’. This means that the battery pack’s temperature has exceeded safe operating limits as monitored by the specified sensor.
BMW DTC P1A61 symptoms
Symptoms associated with DTC P1A61 may include warning lights on the dashboard related to the hybrid or electric system, reduced vehicle performance, and in some cases, the vehicle may enter a reduced power or limp mode to prevent further damage.
BMW DTC P1A61 causes
The overtemperature condition detected by Temperature Sensor ‘A’ can be caused by various factors such as high ambient temperatures, prolonged heavy usage of the hybrid or electric system, a malfunctioning cooling system, or issues with the temperature sensor itself.
BMW DTC P1A61 seriousness
DTC P1A61 is a serious issue that should be addressed promptly to prevent potential damage to the hybrid or electric vehicle battery. Operating the vehicle with an overtemperature battery can lead to reduced battery life, performance issues, and in extreme cases, pose a safety risk.
How to diagnose DTC P1A61 on BMW
To diagnose DTC P1A61, a comprehensive scan tool capable of reading hybrid or electric vehicle codes is required. The technician will need to check the battery temperature readings, inspect the cooling system components, and verify the functionality of Temperature Sensor ‘A’ to pinpoint the cause of the overtemperature condition.
How to fix DTC P1A61 on BMW
Fixing DTC P1A61 typically involves addressing the root cause of the overtemperature condition. This may include repairing or replacing faulty cooling system components, recalibrating the temperature sensor, ensuring proper ventilation around the battery pack, and addressing any underlying issues contributing to the overheating.
How to erase DTC P1A61 on BMW
Once the underlying issue causing DTC P1A61 has been resolved, the code can be cleared using a diagnostic scan tool. After the repair is completed, the technician can erase the code, reset the system, and verify that the issue has been successfully resolved.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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