P12C2 Diagnostic Trouble Code

P12C2 is a kind of OBD-II Diagnostic P-Powertrain 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 P12C2 diagnostic trouble code may include:

Corroded or damaged connector
If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected
Lack of power
Hesitation upon acceleration

Possible Causes :

A plugged converter will cause of host of driveability problems as well as set this code. A severely plugged converter will result in the inability to increase rpm when under load. Look for a code such as P0421 -- catalytic converter efficiency below threshold if the converter indicating a faulty converter.
Dirty air cleaner element Damaged DPF
Rough running engine due to misfiring plugs. Many engines have misfire codes to indicate the cylinder effected, such as P0307 for number 7.

Repair Processes :

You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. Look for damage to the tank indicating impact that may have damaged the fuel pump or sender.

Process Tips

Diagnostic trouble code P12C2 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 P12C2.

Fortunately, P12C2 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P12C2 Trouble Code For Specific Cars

P12C2 Holden Statesman Power Window LR Motor Circuit Open
P12C2 Opel Frontera Dim Panel Decrease Input Circuit Short To Ground
P12C2 Lanchester 18 Speed Control Command Switch Out of Range Low
P12C2 Allard K Air Bag Diagnostic Monitor Ground Circuit Short To Ground
P12C2 Austin A40 Autolamp Delay Increase Circuit Open
P12C2 Bmw M2 Clutch Pedal Switch A Circuit
P12C2 Lancia Prisma SSD Inductive Signature Malfunction