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P1AE8 – BMW DTC

BMW DTC P1AE8 – Drive Motor ‘A’ Voltage Sensor Circuit Low

DTC P1AE8 meaning on BMW

DTC P1AE8 on a BMW refers to the Drive Motor ‘A’ Voltage Sensor Circuit Low. This diagnostic trouble code indicates that there is a low voltage condition detected in the voltage sensor circuit of Drive Motor ‘A’.

BMW DTC P1AE8 symptoms

Symptoms of BMW DTC P1AE8 may include:

  • Check Engine Light (MIL) illuminated
  • Reduced power or performance
  • Vehicle may go into a limp mode

BMW DTC P1AE8 causes

Common causes of BMW DTC P1AE8 include:

  • Faulty drive motor ‘A’ voltage sensor
  • Wiring or connection issues in the voltage sensor circuit
  • Powertrain control module (PCM) software issues

BMW DTC P1AE8 seriousness

The seriousness of BMW DTC P1AE8 lies in the potential for reduced performance and drivability issues. Ignoring this DTC can lead to further damage to the vehicle’s drivetrain components.

How to diagnose DTC P1AE8 on BMW

To diagnose BMW DTC P1AE8, a mechanic may perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault codes
  2. Inspect the drive motor ‘A’ voltage sensor and its wiring for any visible damage
  3. Test the voltage sensor for proper operation
  4. Check the powertrain control module (PCM) for any related software issues

How to fix DTC P1AE8 on BMW

To fix BMW DTC P1AE8, the following steps may be taken:

  1. Replace the faulty drive motor ‘A’ voltage sensor
  2. Repair any damaged wiring or connections in the voltage sensor circuit
  3. Update the powertrain control module (PCM) software if necessary

How to erase DTC P1AE8 on BMW

To erase BMW DTC P1AE8, the fault codes can be cleared using a diagnostic scanner. After the necessary repairs have been made, the codes can be reset to see if the issue has been 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

← All BMW Diagnostic Trouble Codes

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