C2653 Diagnostic Trouble Code

C2653 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 C2653 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
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
Fuel with a large percentage of sulfur will clog the DPF quickly

Repair Processes :

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. 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 C2653 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 C2653.

Fortunately, C2653 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C2653 Trouble Code For Specific Cars

C2653 Citroen C4 Cactus FTS Low - Fuel Pump Temperature Sensor Low
C2653 Abarth Coupe A/C Clutch Circuit Malfunction
C2653 Daewoo Nubira Gear 2 Incorrect ratio
C2653 Fiat 3 Lamp ABS Warning Output Circuit Short To Ground
C2653 Mazda Chante Transmission Transfer Case Differential Lock-Up Solenoid Short Circuit To Battery
C2653 Ferrari 125 Injector Circuit Open / Shorted - Cylinder #5
C2653 Mitsubishi Rvr Aux Heater Flame Sensor Circuit Short to Ground