C3780 Holden Commodore OBD Code

OBD/2 C3780 error code description and symptoms.

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. 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) C3780 DTC is a check of the VCT unit.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

C3780 Holden Commodore Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C3780 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If pressure transducer main / primary input circuit failure so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the pressure transducer main / primary input circuit failure.

Common Causes of Holden Commodore C3780 OBD2 Code

A common cause of code C3780 is the failure of Pressure Transducer Main / Primary Input Circuit Failure, but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
Continuous oil flow to the VCT piston chamber
Camshaft Position Sensor harness is open or shorted
Oil flow restriction in the oil passages or the variable camshaft timing (VCT) valve body

C3780 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

About Us | Contact | Privacy

C3780 Holden Commodore OBD Code

C3780 Holden Commodore Error Code Repair Process :

Common Causes of Holden Commodore C3780 OBD2 Code

C3780 code for other Holden cars