B0792 Diagnostic Trouble Code

B0792 is a kind of OBD-II Diagnostic B-Body 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 B0792 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 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. 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 B0792 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 B0792.

Fortunately, B0792 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B0792 Trouble Code For Specific Cars

B0792 Atalanta 2-litre Air Temperature Internal Sensor Circuit Failure
B0792 Bmw L Clutch Actuator Circuit High
B0792 Aston Martin Bulldog Air Suspension Ride Height Select Switch Circuit Failure
B0792 Volkswagen Derby RF LAMP LOW BEAM CIRCUIT Failure
B0792 Alfa Romeo 6c Accelerometer Front Circuit Short To Battery
B0792 Lada Xray Shift Solenoid C Performance
B0792 Daihatsu Atrai Gear Shift Foward Actuator Circuit Range/Performance