C1792 Diagnostic Trouble Code

C1792 is a kind of OBD-II Diagnostic C-Chassis 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 C1792 diagnostic trouble code may include:

Engine surge
Blown fuse (if applicable)
Lack of power
Rich or lean exhaust

Possible Causes :

Faulty IMRC actuator relay (if equipped)
A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
Rarely - faulty Powertrain Control Module (PCM-programming required after replacement)

Repair Processes :

You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. 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 C1792 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 C1792.

Fortunately, C1792 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C1792 Trouble Code For Specific Cars

C1792 Mitsubishi Space Runner Aux Heater Overheat Sensor Circuit Short to Ground
C1792 Bentley Mark V Battery Saver Relay Coil Circuit Open
C1792 Ford M350 Mirror Driver Up/Down Motor Stalled
C1792 Porsche 931 Fuel Filler Door Circuit Open
C1792 Mega Track A/C Relay Circuit Malfunction
C1792 Ford Galaxie Mirror Driver Horizontal Switch Circuit Open
C1792 Lanchester 30 Speed Control Unable to Hold Speed