C3120 Trouble Code

View C3120 obd/2 error code description and symptoms. C3120 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.

In most cases, the TCM is integrated into a single housing with the PCM. Nevertheless, the section of the module which controls (automatic) transmission function may be powered up separately. In any case, the TCM is typically powered using switched (only present with the ignition switch in the ON, start, or run position) voltage. This circuit is normally equipped with a fuse, fusible link, and/or a relay. Frequently, the PCM and TCM are powered using the same relay albeit by separate circuits. Access to a reliable vehicle information source will yield necessary details of the TCM power circuit for the specific vehicle in question.

C3120 Error Code Repair Process :

If your turn signal / hazard power feed circuit short to battery 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 C3120 and engine control unit are in charge of monitoring a bunch of different turn signal / hazard power feed circuit short to battery, and if they get a reading that's a little out of whack, up pops the check engine light.

C3120 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 C3120

A common cause of code C3120 is the failure of Turn Signal / Hazard Power Feed Circuit Short To Battery, but there are several other possible causes as well, such as ;

Failures of clutch motion/travel sensors.
Faulty select solenoid
Fuel pressure
Lack of fuel

C3120 code for all cars

You can view according C3120 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C3120 Peugeot 404

+C3120 Bmw 3200

+C3120 Bizzarrini Bz-2001

+C3120 Ferrari 328

+C3120 Lada 111

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

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