C102A Diagnostic Trouble Code

C102A 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 C102A 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.
Engine surge

Possible Causes :

Rusty exhaust systems, cracked exhaust manifolds or damaged or missing gaskets or donuts will cause air leaks.
An air leak forward of the DPF will change the sensor readings resulting in the code
Defective ECU strategies or components will prevent proper regeneration

Repair Processes :

Look at the plug wires to make sure they are not burnt or laying on the exhaust. You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. 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.

Process Tips

Diagnostic trouble code C102A 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 C102A.

Fortunately, C102A is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C102A Trouble Code For Specific Cars

C102A Hupmobile 621 Rotor Control Fault
C102A Renault Kwid GPS Receiver Error
C102A Lloyd Arabella Throttle/Pedal Position Sensor/Switch C Circuit Range/Performance Problem
C102A American Tourist Air Suspension LF Air Spring Solenoid Output Circuit Failure
C102A British Salmson 20 Crankshaft Position Sensor B Circuit Range/Performance
C102A Mercedes-benz W136 Air Suspension LF Air Spring Solenoid Output Circuit Short To Ground
C102A Honda Capa Pressure Control Solenoid C Performance or Stuck off