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C3051 BMW Fault Code

Check C3051 OBD Fault Code Reason
Description:

Variable Cam Timing Over-advanced (Bank 1) The comprehensive component monitor (CCM) monitors the VCT position for an over-advanced camshaft timing.
The test fails when the camshaft timing exceeds a maximum calibrated value or remains in an advanced position.

BMW cam timing improperly set No oil flow to the VCT piston chamber Low oil pressure VCT solenoid valve stuck closed Camshaft advance mechanism binding (VCT unit) C3051 DTC is a check of the VCT unit.

C3051 Code Symptoms :

See C3051 in engine

There are currently two main types of cylinder deactivation used today, depending on the type of engine. C3051 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 C3051

C3051 OBD 2 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.

How to fix C3051 code ?

See C3051 repair manual
  • Erratic camshaft position due to low oil pressure
  • Faulty Fuel injector
  • Intake Valve Timing Control Solenoid Valve circuit poor electrical connection
  • Erratic camshaft position due to low oil pressure

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code C3051, so consult the manual to locate the brake fluid reservoir.

Bear in mind that a low fluid level can set code C3051 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

BMW Cars that meet C3051 error