C212A Diagnostic Trouble Code

C212A 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 C212A diagnostic trouble code may include:

If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected
Corroded or damaged connector
Reduction in engine performance, especially at low RPM levels
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.

Possible Causes :

Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
Fuel with a large percentage of sulfur will clog the DPF quickly

Repair Processes :

Look for damage to the tank indicating impact that may have damaged the fuel pump or sender. Oxygen sensors signal the engine management computer the amount of oxygen present in the exhaust, which is used in determining and controlling the fuel ratio. Once located, visually inspect the connectors and wiring. Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors.

Process Tips

Diagnostic trouble code C212A 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 C212A.

Fortunately, C212A is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C212A Trouble Code For Specific Cars

C212A Fairthorpe Tx Injector Circuit Malfunction - Cylinder 7
C212A Daewoo Prince
C212A Holden Tf Power Window Master Circuit Open
C212A De Tomaso Pampero Hydraulic Clutch Actuator Valve Signal Fault
C212A Steyr Haflinger Lamp Tail Output Circuit Short To Ground
C212A Abarth Renault A/C Post Heater Sensor Circuit Short To Ground
C212A Lancia 2000 Speed Wheel Rear Input Signal Missing