C2808 Diagnostic Trouble Code

C2808 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 C2808 diagnostic trouble code may include:

Blown fuse (if applicable)
Engine surge
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 :

An air leak forward of the DPF will change the sensor readings resulting in the code
Rusty exhaust systems, cracked exhaust manifolds or damaged or missing gaskets or donuts will cause air leaks.
Dirty air cleaner element Damaged DPF

Repair Processes :

Use the DVOM to test resistance and continuity on all system circuits if actuator and sensor resistance levels are in compliance with manufacturer's specifications. With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground.

Process Tips

Diagnostic trouble code C2808 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 C2808.

Fortunately, C2808 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C2808 Trouble Code For Specific Cars

C2808 Rover 3500 Ignition Coil A Primary Circuit Malfunction
C2808 Mitsubishi Grandis Autolamp On Circuit Failure
C2808 Bmw Cls Climate Control Recirculation Actuator Out of Limits
C2808 Nissan Gt-r Clutch Position Sensor Circuit Range/Performance Malfunction
C2808 Fiat Egea Lamp Seat Belt Circuit Open
C2808 Izh Oda Seat Direction Switch Assembly Circuit Short To Ground
C2808 Scion Xa Injection Timing Control Circuit Malfunction