U244A Diagnostic Trouble Code

U244A 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 U244A diagnostic trouble code may include:

Blown fuse (if applicable)
Engine surge
Reduction in engine performance, especially at low RPM levels
Rich or lean exhaust

Possible Causes :

Faulty IMRC actuator relay (if equipped)
A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
Dirty air cleaner element Damaged DPF

Repair Processes :

Use the DVOM to test resistance and continuity on all system circuits if actuator and sensor resistance levels are in compliance with manufacturer's specifications. Look for missing ground strap or a rusty ground where the fuel tank is grounded to the frame. Check for damage to the wiring harness connector. Oxygen sensors signal the engine management computer the amount of oxygen present in the exhaust, which is used in determining and controlling the fuel ratio.

Process Tips

Diagnostic trouble code U244A 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 U244A.

Fortunately, U244A is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

U244A Trouble Code For Specific Cars

U244A Subaru Legacy 4 Left Rear Turn Lamp Circuit Failure
U244A Checker Town Door Unlock Disarm Output Circuit Failure
U244A Fiat Campagnola Lamp Headlamp Low-Beam Circuit Short To Battery
U244A Audi S4 Audio CD/DJ Thermal Shutdown Fault
U244A Packard Executive Driver Door Ajar Circuit Short To Battery
U244A Saab 9-3 Ignition Start Circuit Short To Battery
U244A Vegantune Evante PSD Not Fully Closed During Self-Test