U1504 Opel Gt DTC Code | EngineDTC.com

Opel Gt Engine Specifications:

Engine Type :	Single Cylinder Engine
Cylinder Type :	Opposite Piston Engine
Engine Air Intake Process :	Naturally Aspirated

Your Opel Gt engine control system detects a problem, the computer stores the diagnostic trouble code U1504 in its memory. To figure out what is wrong with your vehicle you must first extract the U1504 DTC For Opel Gt.

On 1999 and later U1504 Opel Gt 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.

U1504 Opel Gt DTC Meaning

U	Network Code - Problem is climate control system, lighting, airbags, etc.
1	MFG - Manufacturer Specific
5	Auxiliary Emission Controls
0	Air Conditioning (A/C) Clutch Feedback Circuit High Voltage
4	Cruise Vehicle Speed/Set Speed Difference Too High

If your vehicle failed a U1504 Opel Gt test and the U1504 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses U1504 a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look U1504 DTC For Opel Gt: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.