P14AB – BMW DTC

BMW DTC P14AB – Battery Sensor 2 Temperature Too Low

DTC P14AB meaning on BMW

The DTC P14AB error code on a BMW indicates that the Battery Sensor 2 temperature is too low. This code is specific to the battery sensor system in the vehicle, which monitors the temperature of the battery to ensure optimal performance and safety.

BMW DTC P14AB symptoms

Symptoms of the DTC P14AB code on a BMW may include:

  • Check Engine Light (CEL) illuminated on the dashboard
  • Reduced battery performance
  • Possible issues with starting the vehicle

BMW DTC P14AB causes

The DTC P14AB code on a BMW can be caused by various factors, including:

  • Faulty battery sensor
  • Low ambient temperatures affecting battery performance
  • Wiring or connection issues in the battery sensor system

BMW DTC P14AB seriousness

While the DTC P14AB code may not always result in immediate vehicle breakdown, it is important to address this issue promptly to prevent potential battery-related problems and ensure the proper functioning of the vehicle’s electrical system.

How to diagnose DTC P14AB on BMW

To diagnose the DTC P14AB code on a BMW, a mechanic may perform the following steps:

  1. Use a diagnostic scanner to retrieve the specific fault code
  2. Inspect the battery sensor and related wiring for any visible damage or corrosion
  3. Test the battery sensor’s temperature readings to determine if they are within the expected range

How to fix DTC P14AB on BMW

To fix the DTC P14AB code on a BMW, the following steps may be taken:

  1. Replace the faulty battery sensor if necessary
  2. Check and repair any damaged wiring or connections in the battery sensor system
  3. Ensure that the battery is in good condition and properly charged

How to erase DTC P14AB on BMW

To erase the DTC P14AB code on a BMW, a mechanic can use a diagnostic scanner to clear the code from the vehicle’s memory. Once the issue has been addressed and fixed, clearing the code will reset the Check Engine Light and ensure that the system is functioning properly.

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

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.