DTC codes / U01xx · Lost communication with a control module / U0132
U0132 is a generic network communication code indicating that the primary control module (typically the engine control module) has lost the controller area network (CAN) signal from the ride level control module, which manages air suspension or adaptive damping. The computer has detected that expected periodic messages from that module have stopped arriving, not that the module itself has necessarily failed.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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