U0069 Diagnostic Trouble Code

U0069 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 U0069 diagnostic trouble code may include:

Hesitation upon acceleration
Excessive exhaust leak
Rich or lean exhaust
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.

Possible Causes :

An air leak forward of the DPF will change the sensor readings resulting in the code
Rusty exhaust systems, cracked exhaust manifolds or damaged or missing gaskets or donuts will cause air leaks.
Some aftermarket accessories and performance modifications

Repair Processes :

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. 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. Look at the plug wires to make sure they are not burnt or laying on the exhaust.

Process Tips

Diagnostic trouble code U0069 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 U0069.

Fortunately, U0069 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

U0069 Trouble Code For Specific Cars

U0069 Dodge Maxx Ignition Key-In Circuit Short To Ground
U0069 Maserati 425 Transmission Fluid Pressure Low
U0069 Ford Versailles Module Supply Voltage Out Of Range
U0069 Hillman Avenger Passenger's Seatback Autoglide Forward Switch Circuit Short to Ground
U0069 Peugeot Proxima Engine Coolant Temperature Circuit Low Input
U0069 Kia Shuma Secondary Air Injection System Switching Valve B Circuit Malfunction
U0069 Opel Calibra Decklid Ajar Rear Door Circuit Short To Battery