C3139 Diagnostic Trouble Code

C3139 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 C3139 diagnostic trouble code may include:

Misfire
Misfire
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
Reduction in engine performance, especially at low RPM levels

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.
An air leak forward of the DPF will change the sensor readings resulting in the code

Repair Processes :

Look for damage to the tank indicating impact that may have damaged the fuel pump or sender. If the scan tool has that capability, and the scan tool can operate the IMRC valves, then the problem is either resolved and a simple code clearing is all that's left or a new PCM would be called for.

Process Tips

Diagnostic trouble code C3139 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 C3139.

Fortunately, C3139 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C3139 Trouble Code For Specific Cars

C3139 Smart Fortwo Lamp Air Bag Warning Indicator Circuit Open
C3139 Bmw 528 Chime Input Request Circuit Short To Ground
C3139 Hyundai Neos
C3139 Maserati 250 Transmission Clutch Interlock Safety Switch Open Circuit
C3139 Toyota Platz PAD Warning Lamp Inoperative
C3139 Daihatsu Micros Generator Field "F" Control Circuit Malfunction
C3139 Frazer Nash Shelsley NVM Configuration Failure