P3235 Diagnostic Trouble Code

P3235 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 P3235 diagnostic trouble code may include:

Blown fuse (if applicable)
Engine surge
Reduction in engine performance, especially at low RPM levels
Malfunction Indicator Lamp (MIL) illuminated

Possible Causes :

A faulty oxygen sensor. This will set a code in itself, however, a faulty oxygen sensor does not automatically condemn the sensor. The code just means that the sensor signal was not within specifications. An air leak or any of the above will cause an erroneous signal. There is a multitude of O2 codes relating to O2 performance which gives a clue to the problematic area.
Some aftermarket accessories and performance modifications
Dirty air cleaner element Damaged DPF

Repair Processes :

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. Once located, visually inspect the connectors and wiring. Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors.

Process Tips

Diagnostic trouble code P3235 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 P3235.

Fortunately, P3235 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P3235 Trouble Code For Specific Cars

P3235 Gnome 3 Park Switch Indicates Park with Vehicle Moving
P3235 Alfa Romeo Gp159 Air Assist Control Valve Range/Performance
P3235 Costin Amigo Fuel Sender Circuit Short To Ground
P3235 Fairthorpe Mk Injector Circuit Malfunction - Cylinder 5
P3235 Hyundai Centennial SBDS Interactive Codes
P3235 Lagonda 12 Shift Solenoid D Control Circuit High
P3235 Oldsmobile Trofeo Damper LR Circuit Failure