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Normal Operation and Fault Conditions

The RCM continuously monitors the passenger seatbelt buckle switch circuit for the following faults: 

If a fault is detected, the RCM stores DTC B0052:11, B0052:12, B0052:13 or B0052:1D in memory and sends a message to the IPC to illuminate the airbag warning indicator.

PPT G RCM DTC FAULT TRIGGER CONDITIONS

DTC Description Fault Trigger Conditions
B0052:11 Passenger Seatbelt Sensor: Circuit Short to Ground Sets when the RCM senses a short to ground from the passenger seatbelt buckle sensor circuit for more than 6 seconds.
B0052:12 Passenger Seatbelt Sensor: Circuit Short to Battery Sets when the RCM senses a short to voltage from the passenger seatbelt buckle sensor circuit for more than 6 seconds.
B0052:13 Passenger Seatbelt Sensor: Circuit Open Sets when the RCM senses an open from either passenger seatbelt buckle sensor circuit for more than 6 seconds.
B0052:1D Passenger Seatbelt Sensor: Circuit Current Out of Range Sets when the RCM measures current outside of an acceptable range from the passenger seatbelt buckle sensor circuit for more than 6 seconds.