C2754 Diagnostic Trouble Code

C2754 is a kind of OBD-II Diagnostic C-Chassis Diagnostic Trouble Code.

It is considered generic because it applies to all makes and models of vehicles, although specific repair steps may be different depending on your car model.

Symptoms

Symptoms of a C2754 diagnostic trouble code may include:

Misfire
Misfire
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected

Possible Causes :

Fuel with a large percentage of sulfur will clog the DPF quickly
The Mass Airflow sensor will also cause this problem. Mass Airflow circuit malfunction.
An air leak forward of the DPF will change the sensor readings resulting in the code

Repair Processes :

Find out what kind of system you have and verify that voltage to the fuel level sensor is present at the fuel pump wiring harness. Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors. Pull the connectors apart and carefully look at the terminals (the metal parts) inside the connectors.

Process Tips

Diagnostic trouble code C2754 is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.

Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before C2754.

Fortunately, C2754 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C2754 Trouble Code For Specific Cars

C2754 Nash Ambassador Catalyst System Efficiency Below Threshold (Bank 2)
C2754 Lotus 25 Torque Converter Clutch Control Error
C2754 Cadillac Biarritz Damper RR Circuit Short to Ground
C2754 Ford Extreme Memory Set Switch Circuit Failure
C2754 Ford Edge Mass or Volume Air Flow Circuit low Input
C2754 Peugeot 207 EEPROM Malfunction
C2754 Lexus Is220 TCM Power Relay Sense Circuit