P2041 Diagnostic Trouble Code

P2041 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 P2041 diagnostic trouble code may include:

The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
Faulty PCM
If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected
Diminished fuel efficiency

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

Repair Processes :

If the scan tool has that capability, and the scan tool can operate the IMRC valves, then the problem is either resolved and a simple code clearing is all that's left or a new PCM would be called for. 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 P2041 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 P2041.

Fortunately, P2041 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P2041 Trouble Code For Specific Cars

P2041 Mazda 787 Transmission Transfer Case Contact Plate General Circuit Failure
P2041 Subaru Legacy 3 Left Rear Stop lamp Circuit Short to Battery
P2041 Gaz 35 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)
P2041 Mcc Forfour A/C Pressure Sensor Insufficient Pressure Change
P2041 Citroen Ds5 Fuel Level Sensor B Intermittent/Bypass Line Monitor
P2041 Perodua Kancil Driver's Seat Seatback Autoglide Rearward Switch Circuit Short to Ground
P2041 Peugeot Rc Engine Coolant Temperature Signal Missing/Fault