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P329C BMW Fault Code

Check P329C 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.

P329C Code Symptoms :

See P329C in engine

There are currently two main types of cylinder deactivation used today, depending on the type of engine. P329C 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 P329C

P329C 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 P329C code ?

See P329C repair manual
  • Camshaft advance mechanism binding (VCT unit)
  • Faulty Air Flow Meter
  • Faulty select solenoid
  • EVAP canister or fuel tank leaks

BMW Cars that meet P329C error