C0939 Trouble Code

View C0939 obd/2 error code description and symptoms. C0939 engine photo

Engine Coolant Temperature (ECT) Circuit High Input Indicates the sensor signal is greater than Self-Test maximum. The ECT sensor maximum is 4.6 volts or -50 C (-58 F). Note on some vehicles that are not equipped with an ECT sensor, CHT can be used and can set this DTC. Open circuit in harness Sensor signal short to power Damaged PCM Improper harness connection Damaged sensor ECT V PID reading greater than 4.6 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code C0939, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code C0939 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 : $ 60-110

C0939 Error Code Repair Process :

The rule of C0939 code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example of abs outlet valve coil lf circuit failure. Likewise, overriding the OBD C0939 error in system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts.

Wrench Tool C0939 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 C0939

A common cause of code C0939 is the failure of ABS Outlet Valve Coil LF Circuit Failure, but there are several other possible causes as well, such as ;

C0939 code for all cars

You can view according C0939 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C0939 Simca 6 +C0939 Diva 10f +C0939 Aston Martin Mark Ii +C0939 Ford Taurus +C0939 Nissan 110

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