C3963 Trouble Code

View C3963 obd/2 error code description and symptoms. C3963 engine photo

Intake Manifold Runner Control Malfunction (Stuck Open) The IMRC system is monitored for failure during continuous, key ON engine OFF or key ON engine running self-test. The test fails when the signal on the monitor pin is less than an expected calibrated range at closed throttle. IMRC monitor signal circuit shorted to PWR GND or SIG RTN Damaged IMRC actuator Damaged PCM An IMRCM PID reading approximately near 1 volt at closed throttle may indicate a fault.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code C3963, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code C3963 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

C3963 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C3963 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 air suspension compressor relay circuit short to ground 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 air suspension compressor relay circuit short to ground.

C3963 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 C3963

A common cause of code C3963 is the failure of Air Suspension Compressor Relay Circuit Short To Ground, but there are several other possible causes as well, such as ;

1Camshaft Position Sensor circuit poor electrical connection
Camshaft Position Sensor harness is open or shorted
Damaged ECM
Camshaft Position Sensor harness is open or shorted

C3963 code for all cars

You can view according C3963 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C3963 Peugeot 301

+C3963 Honda Vamos

+C3963 Renault Master 2

+C3963 Volkswagen Brasilia

+C3963 Chevrolet Captiva

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

About Us | Contact | Privacy