DTC Troubleshooting: U1280 (I-A1), U1280 (80)
DTC U1280 or DTC screen I-A1 or DTC indicator 80: Communication bus line error (BUS-OFF)
Is DTC U1280 or Error on the DTC screen I-A1 (climate control panel without display) or 80 (climate control panel with display) indicated?
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