P2878 Trouble Code

View P2878 obd/2 error code description and symptoms. P2878 engine photo

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) P2878 DTC is a check of the VCT unit.

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

P2878 Error Code Repair Process :

The rule of P2878 code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example of park/neutral switch circuit failure. Likewise, overriding the OBD P2878 error in system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts.

P2878 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Common Causes of P2878

A common cause of code P2878 is the failure of Park/Neutral Switch Circuit Failure, but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
Faulty Air fuel ratio (A/F) Sensor 1 Bank 1
Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
Radio frequency interference (RFI)

P2878 code for all cars

You can view according P2878 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P2878 Porsche 964

+P2878 Oldsmobile Starfire

+P2878 Dkw F1

+P2878 Chevrolet Grand Blazer

+P2878 Chrysler 1610

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

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