P127D Diagnostic Trouble Code

P127D 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 P127D 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
Rich or lean exhaust

Possible Causes :

The Mass Airflow sensor will also cause this problem. Mass Airflow circuit malfunction.
Fuel with a large percentage of sulfur will clog the DPF quickly
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 :

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. Now, clear the codes and test-drive the vehicle to see if the code is reset.

Process Tips

Diagnostic trouble code P127D 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 P127D.

Fortunately, P127D is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P127D Trouble Code For Specific Cars

P127D Renault Sandero High Clutch Drum Speed Sensor Intermittent
P127D Genesis G80 Oil Change Lamp Circuit Short To Battery
P127D Skoda 110 IPR Circuit Failure
P127D Panhard Dyna Driver Power Window Down Switch Circuit Failure
P127D Marathon Corsaire Traction Motor Encoder circuit Failure
P127D Suzuki Maruti Mirror Driver Horizontal Switch Circuit Failure
P127D Chevrolet Cruze Driver Window Up / Down Power Circuit Short to Ground