P05C3 – BMW DTC

BMW DTC P05C3 – Engine Coolant Pressure Sensor Circuit Range/Performance

DTC P05C3 meaning on BMW

DTC P05C3 on a BMW indicates an issue with the Engine Coolant Pressure Sensor Circuit Range/Performance. This means that the signal from the engine coolant pressure sensor is outside the expected range or is not performing as it should.

BMW DTC P05C3 symptoms

Symptoms of DTC P05C3 on a BMW may include:

  • Check Engine Light illuminated
  • Engine running hotter than normal
  • Loss of coolant
  • Reduced engine performance

BMW DTC P05C3 causes

Common causes of DTC P05C3 on a BMW include:

  • Faulty engine coolant pressure sensor
  • Wiring or connector issues in the coolant pressure sensor circuit
  • Low coolant level
  • Cooling system leaks

BMW DTC P05C3 seriousness

DTC P05C3 should be addressed promptly as it can lead to engine overheating and potential damage if left unresolved. Ignoring this issue may result in more severe engine problems and increased repair costs.

How to diagnose DTC P05C3 on BMW

To diagnose DTC P05C3 on a BMW, a mechanic may perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
  2. Inspect the engine coolant pressure sensor and its wiring for any visible damage
  3. Check the coolant level and inspect for leaks in the cooling system
  4. Perform a pressure test on the cooling system to verify sensor readings

How to fix DTC P05C3 on BMW

To fix DTC P05C3 on a BMW, the following steps may be taken:

  1. Replace the faulty engine coolant pressure sensor
  2. Repair any damaged wiring or connectors in the sensor circuit
  3. Top up coolant levels and repair any leaks in the cooling system
  4. Clear the fault code and test drive the vehicle to ensure the issue is resolved

How to erase DTC P05C3 on BMW

To erase DTC P05C3 on a BMW, a diagnostic scanner can be used to clear the fault code from the vehicle’s engine control module. Once the repair has been completed and the issue resolved, the fault code can be cleared to reset the Check Engine Light.

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.