P0C1C – BMW DTC

BMW DTC P0C1C – Electric/Auxiliary Transmission Fluid Pump Control Module Internal Temperature Sensor Circuit

DTC P0C1C meaning on BMW

DTC P0C1C on a BMW refers to an issue with the Electric/Auxiliary Transmission Fluid Pump Control Module Internal Temperature Sensor Circuit. This diagnostic trouble code indicates a problem with the internal temperature sensor circuit of the control module responsible for managing the electric or auxiliary transmission fluid pump.

BMW DTC P0C1C symptoms

Symptoms of BMW DTC P0C1C may include:

  • Check Engine Light illuminated on the dashboard
  • Transmission shifting issues
  • Reduced performance or drivability
  • Overheating of the transmission fluid

BMW DTC P0C1C causes

Common causes of BMW DTC P0C1C include:

  • Faulty internal temperature sensor within the control module
  • Wiring or connection issues in the sensor circuit
  • Defective control module

BMW DTC P0C1C seriousness

The seriousness of BMW DTC P0C1C lies in its potential to affect the proper operation of the transmission system. Ignoring this fault code can lead to further damage to the transmission components and may result in costly repairs if left unresolved.

How to diagnose DTC P0C1C on BMW

To diagnose DTC P0C1C on a BMW, a mechanic would typically perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault code and related data
  2. Inspect the wiring and connections in the internal temperature sensor circuit
  3. Test the internal temperature sensor for proper functionality
  4. Check the control module for any signs of damage or malfunction

How to fix DTC P0C1C on BMW

To fix DTC P0C1C on a BMW, the following steps may be taken:

  1. Replace the faulty internal temperature sensor if found defective
  2. Repair any damaged wiring or connections in the sensor circuit
  3. If the control module is faulty, replace it with a new or remanufactured unit
  4. Clear the fault code and perform a test drive to ensure the issue is resolved

How to erase DTC P0C1C on BMW

To erase DTC P0C1C on a BMW, the fault code can be cleared using a diagnostic scanner or code reader. After the necessary repairs have been made to address the underlying issue, the fault code can be reset to turn off the Check Engine Light and ensure 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

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