P22D1 Diagnostic Trouble Code

P22D1 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 P22D1 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.
Rich or lean exhaust

Possible Causes :

The Mass Airflow sensor will also cause this problem. Mass Airflow circuit malfunction.
Fuel with a large percentage of sulfur will clog the DPF quickly
An air leak forward of the DPF will change the sensor readings resulting in the code

Repair Processes :

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. Look at the plug wires to make sure they are not burnt or laying on the exhaust. It should be pretty close to battery voltage (12 volts). If not, then this is the circuit that has the problem.

Process Tips

Diagnostic trouble code P22D1 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 P22D1.

Fortunately, P22D1 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P22D1 Trouble Code For Specific Cars

P22D1 Gaz 33 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3)
P22D1 Mercury Brougham Air Suspension LF Height Sensor Circuit Short To Battery
P22D1 Lancia Hit Speed Wheel Sensor RF Coherency Fault
P22D1 Renault 20 Gear 4 Incorrect ratio
P22D1 Mercury Sable Air Suspension Reservoir Pneumatic Failure
P22D1 Isuzu Minx SCP (J1850) Invalid or Missing Data for Tuner / Receiver
P22D1 Alta 1100 Air Bag Passenger Pressure Switch Circuit Failure