P1001 Diagnostic Trouble Code

P1001 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 P1001 diagnostic trouble code may include:

Blown fuse (if applicable)
Engine surge
Reduction in engine performance, especially at low RPM levels
If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected

Possible Causes :

A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
Faulty IMRC actuator relay (if equipped)
Dirty air cleaner element Damaged DPF

Repair Processes :

Pack the connector cavity with dielectric silicone compound (same stuff they use for light bulb sockets and spark plug wires) and reassemble. 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 P1001 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 P1001.

Fortunately, P1001 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P1001 Trouble Code For Specific Cars

P1001 Jaguar C-type Seat Driver Forward Circuit Open
P1001 Skoda 1100 IVC Solenoid Circuit Malfunction
P1001 Abarth Lancia A/C Compressor Temperature Sensor Malfunction
P1001 Mazda 323 Transmission Transfer Case Contact Plate 'C' Circuit Failure
P1001 Chrysler Dodge ETC In Power Limiting Mode
P1001 Shanghai Sedan Insufficient Engine Speed Increase During Self Test
P1001 Rolls-royce Wraith Idle Control System Circuit Open