C0388 Trouble Code

View C0388 obd/2 error code description and symptoms. C0388 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) C0388 DTC is a check of the VCT unit.

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

C0388 Error Code Repair Process :

The scent may C0388 signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such C0388, so if the inside of your car seatbelt passenger pretensioner circuit short to battery as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.

C0388 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.

Common Causes of C0388

A common cause of code C0388 is the failure of Seatbelt Passenger Pretensioner Circuit Short to Battery, but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
Faulty Variable Camshaft Timing (VCT) position solenoid
Insufficient cylinders compression
Spark plugs may be faulty

C0388 code for all cars

You can view according C0388 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C0388 Pontiac Piranha

+C0388 Pontiac Grand Safari

+C0388 Lotus Excel

+C0388 Heuliez Pregunta

+C0388 Marcos Mini-marcos

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