U2968 Diagnostic Trouble Code

U2968 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 U2968 diagnostic trouble code may include:

Corroded or damaged connector
If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected
Lack of power
Diminished fuel efficiency

Possible Causes :

Faulty IMRC actuator/sensor
A large vacuum leak would cause a massive amount of un-metered air to enter the intake manifold resulting in an overly lean mixture.
Rough running engine due to misfiring plugs. Many engines have misfire codes to indicate the cylinder effected, such as P0307 for number 7.

Repair Processes :

Pack the connector cavity with dielectric silicone compound (same stuff they use for light bulb sockets and spark plug wires) and reassemble. 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.

Process Tips

Diagnostic trouble code U2968 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 U2968.

Fortunately, U2968 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

U2968 Trouble Code For Specific Cars

U2968 Riley 15 Hood Switch Circuit Open
U2968 Renault Kadjar Glow Plug/Heater Circuit "B" Malfunction
U2968 Mazda Cx-5 Transmission Transfer Case Front Shaft Speed Sensor Circuit Failure
U2968 Land Rover Freelander 2 Steering VAPS II Circuit Loop Failure
U2968 Abarth A112 A Camshaft Position Actuator Circuit (Bank1)
U2968 Vauxhall Nova Pressure Control Solenoid B Performance
U2968 Allard Safari Air Bag Driver Inflator Circuit Resistance Low on Squib - Loop #2