C226A Diagnostic Trouble Code

C226A 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 C226A 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 :

Once located, visually inspect the connectors and wiring. Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors. 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 C226A 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 C226A.

Fortunately, C226A is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C226A Trouble Code For Specific Cars

C226A Ford Explorer Iv Memory 2 Switch Circuit Short To Ground
C226A Saab 99 Ignition Tach Circuit Short To Ground
C226A Edsel Ranger Injection Control Pressure Out Of Range High
C226A Wartburg Sports
C226A Lexus Rx 300 TFT Sensor In Range Failure High
C226A Asa 1000 Air Suspension Reservoir Pneumatic Failure
C226A Aston Martin Mark Ii Air Suspension Vent Solenoid Output Circuit Failure