C3918 Trouble Code

View C3918 obd/2 error code description and symptoms. C3918 engine photo

Brake Switch Circuit Input Malfunction Indicates PCM did not receive a brake pedal position (BPP) input. Open or short in BPP circuit Open or short in stoplamp circuits Damaged PCM Malfunction in module(s) connected to BPP circuit. (Rear Electronic Module [REM] Windstar and LS6/LS8 or Lighting Control Module (LCM) Continental and Town Car. Damaged brake switch Misadjusted brake switch Check for proper function of stoplamps.

As the engine heats up and combustion becomes easier and more complete, the PCM will command the idling control valve to increase the amount of air entering the engine to suit the changing conditions. However, when the load on the engine changes, say, when some electrical consumers or other systems are either turned on or off, the PCM adapts the signal voltage to the idle control valve to ensure that the idling speed remains stable, and at the RPM specified by the manufacturer.

C3918 Error Code Repair Process :

If your hydraulic clutch actuator valve signal fault check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system C3918 and engine control unit are in charge of monitoring a bunch of different hydraulic clutch actuator valve signal fault, and if they get a reading that's a little out of whack, up pops the check engine light.

C3918 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 C3918

A common cause of code C3918 is the failure of Hydraulic Clutch Actuator Valve Signal Fault, but there are several other possible causes as well, such as ;

Failures of clutch motion/travel sensors.
Faulty TCM or TCM programming
Fuel injectors harness is open or shorted
Ignition coils circuit poor electrical connection

C3918 code for all cars

You can view according C3918 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C3918 Sunbeam 14

+C3918 Osi 1200

+C3918 Dodge Charger

+C3918 Simca Vedette Marly

+C3918 Mg Rv11

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