RFA Module DTCs

• DTC B1C37:11 (Master Lock Switch: Circuit Short To Ground) - an on-demand DTC that sets if the RFA module detects a short to ground on the passenger door lock input circuit from the passenger door lock control switch or circuit.
• DTC B1C38:11 (Master Unlock Switch: Circuit Short To Ground) - an on-demand DTC that sets if the RFA module detects a short to ground on the passenger door unlock input circuit from the passenger door lock control switch or circuit.

This pinpoint test is intended to diagnose the following: 

• Wiring, terminals or connectors
• Door lock control switch
• DDM
• RFA module