U3748 Opel Kraftfahrzeug DTC Code

Opel Kraftfahrzeug Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	Opposite Piston Engine
Engine Air Intake Process :	Turbocharged Engine

Your Opel Kraftfahrzeug engine control system detects a problem, the computer stores the diagnostic trouble code U3748 in its memory. To figure out what is wrong with your vehicle you must first extract the U3748 DTC For Opel Kraftfahrzeug.

On 1999 and later U3748 Opel Kraftfahrzeug 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.

U3748 Opel Kraftfahrzeug DTC Meaning

U	Network Code - Problem is climate control system, lighting, airbags, etc.
3	SAE - Generic
7	Ignition System Or Misfire
4	Control Module Throttle Actuator Position Performance
8	Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit

If your U3748 Opel Kraftfahrzeug check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system U3748 and engine control unit are in charge of monitoring a bunch of different U3748 DTC For Opel Kraftfahrzeug, and if they get a reading that's a little out of whack, up pops the check engine light.