Blog · OBDThink — Page 9

BMW 80552B: High-voltage charging socket flap status diagnosis

80552B means the charging-socket flap and the high-voltage charging socket report an implausible combined status. Diagnose the visible flap mechanism, status feedback, connector, and charging sequence before replacing the socket assembly.

BMW 00A72F: JBE Compressor Clutch Fault

BMW 00A72F reports an unexpected response in the compressor-clutch path monitored by JBE. Diagnosis must separate protective permission, electrical command, and physical compressor response.

BMW D02D58: Invalid Wheel-Torque Powertrain Signal Diagnosis

BMW D02D58 means the ICM received an invalid wheel-torque powertrain 1 message from DME or DDE. Diagnosis must separate an implausible calculated torque value from an intermittent network, power-supply, or software-state problem.

BMW A379: How to Fix the TCU Bluetooth Interface Fault

BMW A379 reports a fault in the Bluetooth interface inside the TCU. Comparing the pairing lists, a known-compatible reference phone, and the Bluetooth antenna circuit separates a handset conflict from a defective TCU.