U1509 Opel City DTC Code

Opel City Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	W-Type Engine
Engine Air Intake Process :	Supercharged Engine

Your Opel City engine control system detects a problem, the computer stores the diagnostic trouble code U1509 in its memory. To figure out what is wrong with your vehicle you must first extract the U1509 DTC For Opel City.

On 1999 and later U1509 Opel City 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.

U1509 Opel City 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
9	A/C System High Pressure High Temperature

There are currently two main types of cylinder deactivation used today, depending on the type of engine. U1509 Opel City code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.