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U0016 BMW Fault Code

Check U0016 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.

U0016 Code Symptoms :

See U0016 in engine

There are currently two main types of cylinder deactivation used today, depending on the type of engine. U0016 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 U0016

U0016 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 U0016 code ?

See U0016 repair manual
  • Camshaft advance mechanism binding (VCT unit)
  • Exhaust gas leaks
  • Intake air leaks
  • Variable Camshaft Timing solenoid stuck open

BMW Cars that meet U0016 error