P04D5 Diagnostic Trouble Code

P04D5 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 P04D5 diagnostic trouble code may include:

Rich or lean exhaust
Fuel pressure too low
Engine surge
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.
Faulty IMRC actuator relay (if equipped)

Repair Processes :

If you find a related TSB, the information will often help in diagnosing the code in question as TSBs are crested from many thousands of repairs. Look for missing ground strap or a rusty ground where the fuel tank is grounded to the frame. Check for damage to the wiring harness connector.

Process Tips

Diagnostic trouble code P04D5 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 P04D5.

Fortunately, P04D5 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P04D5 Trouble Code For Specific Cars

P04D5 Kia Amanti Seat Rear Up/Down Potentiometer Feedback Circuit Open
P04D5 Arnolt Mg Air Suspension Rear Height Sensor Low Signal Circuit Short To Ground
P04D5 Ford Coin Low Coolant Lamp Output Circuit Short to Battery
P04D5 Tata E 220 Mirror Passenger Up Circuit Short To Ground
P04D5 Bmw Six Clutch Switch Input Circuit Malfunction
P04D5 Ferrari Superamerica Keyless Entry Circuit Open
P04D5 Vauxhall Magnum Pressure Control Solenoid A Control Circuit Range/Performance