P2769 Diagnostic Trouble Code

P2769 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 P2769 diagnostic trouble code may include:

The engine oil will exhibit dilution from the ECUs attempts to increase engine temperature. Some vehicles advance the fuel injection timing slightly after top center to afterburn a small amount of fuel to increase exhaust temperatures. Some of this fuel enters the crankcase. When the ECU determines the necessity to regenerate the DPF, the service life of the oil be shortened significantly
Faulty or damaged wiring
Hesitation upon acceleration
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.
Defective ECU strategies or components will prevent proper regeneration

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 P2769 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 P2769.

Fortunately, P2769 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P2769 Trouble Code For Specific Cars

P2769 Toyota Picnic PAD Warning Lamp Circuit Short to Battery
P2769 Nissan Liberta Villa Column Reach Motor Stalled
P2769 Chevrolet Deville Driver's / Passenger's Door Ajar Output Circuit Short to Battery
P2769 Cadillac Evoq Decklid Release Circuit Open
P2769 Chenard Walcker Tank Door Unlock Disarm Switch Circuit Open
P2769 Cadillac Biarritz Damper RR Circuit Short to Ground
P2769 Daihatsu Compagno Gear Shift Lock Solenoid Circuit Range/Performance