Troubleshooting steps
Check electrical wiring
Manufacturer DTCs
BMW 2A77 – DME: Electrical system fault
Electrical system fault
Details
BMW 2A77 error indicates electrical system fault. Wiring issue, component failure.
Error typeelectrical
MeaningElectrical system fault
Typical causesWiring issue, component failure
SolutionsCheck electrical wiring
SeverityMedium
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Where this appears
BMW2A77
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What does 2A77 mean on BMW?
2A77 on BMW indicates electrical system fault.
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