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Example: 0120

All Engine Codes

The all list of engine trouble codes.

U1009 Engine Diagnostic Code

On 1999 and later U1009 engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.

U1009 engine code provides below are generic codes that may not apply to all vehicles. Car manufacturer uses specific U1009 DTC code that are different from the codes shown below. Foreign vehicles may also use DTC codes different from the generic Engine Diagnostic codes.

Sample U1009 Engine

U1009 Diagnostic Trouble Code Meaning And Solution

U 1 0 09
Network Problem MFG - Manufacturer Specific Transmission 09 Engine Fault Code

Starting letter U diagnostic code shows that there are problems in climate control system, lighting, airbags, etc..
If your "Check Engine Light" is on, it means your vehicle has one or more OBD II Trouble Codes so you have to check your engine diagnostic code tool. If your vehicle is an older model with a non-electronic Transmission, you can check the distributor cap to see whether the spark is getting from there to the coil and on to the spark plugs.

Don't forget ! If your U1009 engine code not resolved on and there are trouble codes in your computer, your vehicle will not pass an OBD 2 emissions test. The light must be off and there must be no codes in memory to pass an OBD 2 emissions test. In addition, all of the OBD II self-monitors that check for faults must have run and completed without finding any further problems to pass the test.

Cars with U1009