U0926 Diagnostic Trouble Code

U0926 is a kind of OBD-II Diagnostic U-Network 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 U0926 diagnostic trouble code may include:

Faulty PCM
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
Poor acceleration
Hesitation upon 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.
A large air leak at or near the number one oxygen sensor would also cause a lean mixture.

Repair Processes :

Find out what kind of system you have and verify that voltage to the fuel level sensor is present at the fuel pump wiring harness. Look at the plug wires to make sure they are not burnt or laying on the exhaust. Check to make sure they are not burnt or corroded. If in doubt, get some Electrical Contact cleaner at any parts store if cleaning of the terminals is needed.

Process Tips

Diagnostic trouble code U0926 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 U0926.

Fortunately, U0926 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

U0926 Trouble Code For Specific Cars

U0926 Hyundai Terracan SCP (J1850) Invalid or Missing Data for Electrical Energy Management
U0926 Ford C-max Ii Low A/C Cycling Period
U0926 Fiat Ulysse Left Front Vertical Accelerometer Circuit Failure
U0926 Plymouth Gran Fury Evaporative Emission Control System Purge Control Valve Circuit Open
U0926 Peugeot Quadricycle Engine Coolant Temperature Circuit Malfunction
U0926 Triumph Acclaim Passengers Seat Belt Buckle Switch Resistance out of Range
U0926 Tvr Trident Power Steering Pressure sensor Circuit Intermittent