P0C70 – BMW DTC

BMW DTC P0C70 – Hybrid/EV Battery Temperature Sensor ‘C’/’D’ Correlation

DTC P0C70 meaning on BMW

DTC P0C70 on a BMW indicates a correlation issue between the Hybrid/EV Battery Temperature Sensor ‘C’ and ‘D’. This means that the temperature readings from these sensors are not matching up as expected, which can lead to improper temperature management of the hybrid or electric vehicle battery system.

BMW DTC P0C70 symptoms

Symptoms of DTC P0C70 on a BMW may include:

  • Check Engine Light illuminated
  • Reduced hybrid or electric vehicle performance
  • Decreased fuel efficiency
  • Issues with battery charging or discharging

BMW DTC P0C70 causes

Common causes of DTC P0C70 on a BMW include:

  • Faulty Hybrid/EV Battery Temperature Sensor ‘C’ or ‘D’
  • Wiring or connection issues with the temperature sensors
  • Software or programming issues

BMW DTC P0C70 seriousness

DTC P0C70 should be addressed promptly as it can affect the proper functioning of the hybrid or electric vehicle system. Ignoring this fault can lead to further damage to the battery system and potentially impact the overall performance and efficiency of the vehicle.

How to diagnose DTC P0C70 on BMW

To diagnose DTC P0C70 on a BMW, a mechanic would typically:

  • Use a diagnostic scanner to retrieve the fault codes
  • Inspect the Hybrid/EV Battery Temperature Sensor ‘C’ and ‘D’ for any visible damage
  • Check the wiring and connections for any issues
  • Perform a battery system test to ensure proper functionality

How to fix DTC P0C70 on BMW

To fix DTC P0C70 on a BMW, the following steps may be taken:

  • Replace the faulty Hybrid/EV Battery Temperature Sensor ‘C’ or ‘D’
  • Repair any wiring or connection issues
  • Update software or programming as necessary
  • Clear the fault codes and reset the system

How to erase DTC P0C70 on BMW

To erase DTC P0C70 on a BMW, the fault codes can be cleared using a diagnostic scanner. Once the underlying issue has been addressed, the codes can be reset, and the system can be rechecked to ensure the fault does not reoccur.

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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