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P0C52 BMW Fault Code

Check P0C52 OBD Fault Code Reason
Description:

Engine Coolant Temperature (ECT) Circuit High Input Indicates the sensor signal is greater than Self-Test maximum. The ECT sensor maximum is 4.6 volts or -50 C (-58 F). Note on some vehicles that are not equipped with an ECT sensor, CHT can be used and can set this DTC. Open circuit in harness Sensor signal short to power Damaged PCM Improper harness connection Damaged sensor ECT V PID reading greater than 4.6 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault.

P0C52 Code Symptoms :

See P0C52 in engine

There are currently two main types of cylinder deactivation used today, depending on the type of engine. P0C52 code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.

Diagnosis And Repairing P0C52

P0C52 OBD2 specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.

How to fix P0C52 code ?

See P0C52 repair manual
  • Camshaft advance mechanism binding (VCT unit)
  • Exhaust gas leaks
  • Fuel filler cap remains open or fails to close
  • Ignition misfiring

BMW Cars that meet P0C52 error