Body Control Module Diagnostic System Check
- Enter on-board diagnostic mode. See ON-BOARD DIAGNOSTICS . If Body control Module (BCM) enters on-board diagnostic mode, go to next step. If BCM does not enter on-board diagnostic mode, see BODY CONTROL MODULE INOPERATIVE under SYSTEM TESTS.
- Select DISPLAY BCM DTCs. If any BCM DTCs exist, perform appropriate test in accordance with BCM DTC retrieved. See BODY CONTROL MODULE DTC INDEX
table. If no BCM DTCs exist, repair concern by symptom. See SYMPTOM INDEX
table under SYSTEM TESTS.BODY CONTROL MODULE DTC INDEX
DTC Code Description Perform Test 1 Seat Belt Indicator Supply Voltage Circuit DTC 1 2 Courtesy Lights Battery Feed Circuit DTC 2 3 Courtesy Lights Control Circuit DTC 3 4 Retained Accessory Power System (1) 6 Theft Deterrent Relay Control Circuit DTC 6 7 Horn System DTC 7 8 Remote Keyless Entry System DTC 8 13 Door Position Fault (2) 14 Control Module Malfunction (2) 22 Door Motion Error Sensed On Actuation (2) 23 No Latch Input (2) (1) Repair Retained Accessory Power (RAP) system by symptom. See SYMPTOM INDEX table under SYSTEM TESTS. (2) Perform DOORS DIAGNOSTIC SYSTEM CHECK.