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U0689 Engine Trouble Code

Meaning of U0689 engine trouble code is a kind of network trouble code and U0689 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,200. Taking your car into a shop will cost you around $210 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

U0689 Fault Symptoms :

Check engine light comes on
Engine stalling or misfiring
Engine performance issues
Car not starting

If one of these reasons for U0689 code is occuring now you should check U0689 repair processes.
Now don't ask yourself; What should you do with U0689 code ?
The solution is here :

U0689 Possible Solution:

Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.

U0689 Code Meaning :

U	0	6	8	9
OBD-II Diagnostic Network (U) Trouble Code For Engine	Intake Valve Control Solenoid Circuit Low	Fuel Temperature Sensor B Circuit Range/Performance	Ignition/Distributor Engine Speed Input Circuit Malfunction	Reverse Input Circuit

Regarding the U0689 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.

U0689 OBD-II Diagnostic Network (U) Trouble Code Description

U0689 engine trouble code is about Reverse Input Circuit.

Main reason For U0689 Code

The reason of U0689 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

U0689 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.

	Example: 0140