C256C Trouble Code

View C256C obd/2 error code description and symptoms. C256C engine photo

The Transmission Range Sensor (also referred to as the PRNDL input an/or neutral safety switch) tells the transmission control module (TCM) an the engine control module (PCM) that the transmission is in park, reverse, neutral, drive, low, 2nd, 3rd etc. It is attached directly to the manual valve of transmission, so when the shift lever is moved from park to drive, the Transmission Range Sensor communicates this critical information to the above mentioned vehicle control module systems.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code C256C, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code C256C on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

C256C Error Code Repair Process :

The rule of C256C 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 eic switch-1 assembly circuit open. Likewise, overriding the OBD C256C 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.

C256C 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 C256C

A common cause of code C256C is the failure of EIC Switch-1 Assembly Circuit Open, but there are several other possible causes as well, such as ;

Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
EVAP canister or fuel tank leaks
Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
Lack of fuel

C256C code for all cars

You can view according C256C DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C256C Nissan Autech

+C256C Buick Lucerne

+C256C Bugatti Type 64

+C256C Holden Torana

+C256C Ferrari 255

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