What does code U0522 mean?

Q: What does code U0522 mean?

Invalid Data Received From Door Switch G. U0522 means the module that monitors a door switch circuit, typically the body control module (BCM), received data from door switch G that it considers invalid or out of range. The computer detected a signal that does not match any valid open or closed state, so it flags the circuit as unreliable rather than simply stuck open or shorted.

DTC codes / U05xx · Network communication / U0522

U0522Invalid Data Received From Door Switch G

U0522 means the module that monitors a door switch circuit, typically the body control module (BCM), received data from door switch G that it considers invalid or out of range. The computer detected a signal that does not match any valid open or closed state, so it flags the circuit as unreliable rather than simply stuck open or shorted.

SystemNetwork

Code typeGeneric (all makes)

SeverityLow

Fix difficultyIntermediate

AreaNetwork communication

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.