C0158 Diagnostic Trouble Code

C0158 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 C0158 diagnostic trouble code may include:

If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected
Corroded or damaged connector
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 :

Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
Fuel with a large percentage of sulfur will clog the DPF quickly

Repair Processes :

Look for damage to the tank indicating impact that may have damaged the fuel pump or sender. It should be pretty close to battery voltage (12 volts). If not, then this is the circuit that has the problem.

Process Tips

Diagnostic trouble code C0158 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 C0158.

Fortunately, C0158 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C0158 Trouble Code For Specific Cars

C0158 Wartburg 312
C0158 Plymouth Colt Evaporative Emission Control System Pressure Sensor Low Input
C0158 Alvis Tc21 Air Suspension Disable Switch Circuit Failure
C0158 Pininfarina 33 Engine Position System Performance (Bank2)
C0158 Suzuki Covie Memory Set Switch Circuit Open
C0158 Mg X20 Alternator Load Input Failed Low
C0158 Kieft 2-litre Servo Motor Potentiometer Airintake Left Circuit Open