New Beetle GLS L4-1.8L Turbo (AWV) (2001)
Continuation for all vehicles
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Also check wires for short circuit to each other, to vehicle Ground (GND) and to B+.
Specified value: Infinite Ohms
If no malfunctions are detected in the wires and the resistance values are OK:
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Replace Motronic Engine Control Module (ECM) -J220-.