CEL doesn't want to go off
3,655

Asked by Randy Dec 29, 2020 at 04:50 AM about the 2003 Volkswagen Jetta GLS 1.8T Sedan

Question type: Maintenance & Repair

was annoyed with my CEL light coming on and realized that buying a cheapie
UBS charger to charge my phone was throwing off the ECM. After I pulled my
UBS from the 12v charger, the CEL went off. Thought I might share the tip if
someone else is having issues or annoyed with their CEL being on.

1 Answer
22,300

Guru9FSV8 answered 3 years ago

If a power cable pulls more than 12V it will illuminate the CEL. Replace cord or see if phone battery is bad. Too many amps and high resistance.

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Your Answer:

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