C3747 Trouble Code

View C3747 obd/2 error code description and symptoms. C3747 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.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code C3747, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code C3747 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

Difficulty Level (Soso)
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Repair Time (50 Min.)
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Cost Prediction : $ 20-50

C3747 Error Code Repair Process :

If your vehicle failed a C3747 test and the C3747 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses abs inlet valve coil rr circuit open a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look abs inlet valve coil rr circuit open: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression. Use your OBD Express DIY to look at the oxygen sensor outputs, coolant temperature, airflow, calculated engine load, and inlet air temperature.

Wrench Tool C3747 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 C3747

A common cause of code C3747 is the failure of ABS Inlet Valve Coil RR Circuit Open, but there are several other possible causes as well, such as ;

C3747 code for all cars

You can view according C3747 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C3747 Vauxhall Corsa D +C3747 Fiat Vivace +C3747 Great Wall Peri +C3747 Maserati 3200 +C3747 Saab 9000i

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