P0822 Diagnostic Trouble Code

P0822 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 P0822 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 :

If all testing has passed so far yet you still have the same code, check your scan tool and see if it can open and close the IMRC valve. 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. Look at the plug wires to make sure they are not burnt or laying on the exhaust.

Process Tips

Diagnostic trouble code P0822 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 P0822.

Fortunately, P0822 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P0822 Trouble Code For Specific Cars

P0822 Datsun Deluxe HO2S Heater Control Circuit (Bank 1 Sensor 3)
P0822 Chevrolet Nova EGR Drive Overcurrent
P0822 Peerless 33.8 Hp Drivers Seat Belt Buckle Switch Circuit Open
P0822 Ford Expedition 3 Memory 1 Switch Circuit Short To Ground
P0822 Toyota Isis Oil Level Switch Circuit Short To Battery
P0822 Healey Nash-healey Passenger's Front Seat Down Switch Circuit Short to Battery
P0822 Nissan Juke Coast Clutch Solenoid Inductive Signature Malfunction