Fire Suppression System DTCS
FIRE SUPPRESSION MODULE (FSM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| B1231 | Event Treshold Exceeded | FSM | The fire suppression system was activated. INSTALL a new FSM and new LH and RH fire suppressors. REFER to FIRE SUPPRESSION MODULE and FIRE SUPPRESSOR . |
| B1317 | Battery Voltage High | FSM | Refer to CHARGING SYSTEM - GENERAL INFORMATION . |
| B1318 | Battery Voltage Low | FSM | Refer to CHARGING SYSTEM - GENERAL INFORMATION . |
| B1342 | ECU Is Faulted | FSM | INSTALL a new FSM. REFER to FIRE SUPPRESSION MODULE . |
| B1921 | Air Bag Diagnostic Monitor Ground Circuit Open | FSM | REFER to INSTRUMENT CLUSTER . |
| B2477 | Module Configuration Failure | FSM | INSTALL a new FSM. REFER to FIRE SUPPRESSION MODULE . |
| B2792 | Cross Link Between Firing Loops | FSM | GO to PINPOINT TEST J . |
| B2900 | VIN Mismatch | FSM | GO to PINPOINT TEST B . |
| B299A | Suppressor Left Circuit Open - Loop # 1 | FSM | GO to PINPOINT TEST C . |
| B299B | Suppressor Left Circuit Short to Battery - Loop # 1 | FSM | GO to PINPOINT TEST F . |
| B299C | Suppressor Left Circuit Short to Ground - Loop # 1 | FSM | GO to PINPOINT TEST G . |
| B299E | Suppressor Left Circuit Resistance Low on Squib-Loop # 1 | FSM | GO to PINPOINT TEST I . |
| B299F | Suppressor Left Circuit Open - Loop #2 | FSM | GO to PINPOINT TEST E . |
| B29A0 | Suppressor Left Circuit Short to Battery - Loop # 2 | FSM | INSTALL a new FSM. REFER to FIRE SUPPRESSION MODULE . |
| B29A1 | Suppressor Left Circuit Short to Ground - Loop # 2 | FSM | GO to PINPOINT TEST H . |
| B29A3 | Suppressor Left Circuit Resistance Low on Squib-Loop # 2 | FSM | GO to PINPOINT TEST H . |
| B29A4 | Suppressor Right Circuit Open - Loop # 1 | FSM | GO to PINPOINT TEST D . |
| B29A5 | Suppressor Right Circuit Short to Battery - Loop # 1 | FSM | GO to PINPOINT TEST F . |
| B29A6 | Suppressor Right Circuit Short to Ground - Loop # 1 | FSM | GO to PINPOINT TEST G . |
| B29A8 | Suppressor Right Circuit Resistance Low on Squib-Loop # 1 | FSM | GO to PINPOINT TEST I . |
| B29A9 | Suppressor Right Circuit Open - Loop #2 | FSM | GO to PINPOINT TEST E . |
| B29AA | Suppressor Right Circuit Short to Battery - Loop # 2 | FSM | INSTALL a new FSM. REFER to FIRE SUPPRESSION MODULE . |
| B29AB | Suppressor Right Circuit Short to Ground - Loop # 2 | FSM | GO to PINPOINT TEST H . |
| B29AD | Suppressor Right Circuit Resistance Low on Squib - Loop # 2 | FSM | GO to PINPOINT TEST H . |
| B29AE | Fire Suppression Manual Activation Switch Closed at Key On | FSM | CLEAR the DTCs. REPEAT the self-test. If DTC B29AE is set, INSTALL a new switch. Refer to FIRE SUPPRESSION MANUAL SWITCH . |
| B29AF | Fire Suppression Manual Activation Switch High Side Circuit Failure | FSM | GO to PINPOINT TEST K . |
| B29B0 | Fire Suppression Manual Activation Switch High Side Circuit Short to Battery | FSM | GO to PINPOINT TEST K . |
| B29B1 | Fire Suppression Manual Activation Switch Low Side Circuit Failure | FSM | GO to PINPOINT TEST K . |
| B29B2 | Fire Suppression Manual Activation Switch High Side Circuit Short to Ground | FSM | GO to PINPOINT TEST K . |
| B29B3 | Fire Suppression Indicator Lamp Circuit Failure | FSM | REFER to INSTRUMENT CLUSTER . |
| B29B4 | Fire Suppression Indicator Lamp Circuit Short to Battery | FSM | REFER to INSTRUMENT CLUSTER . |
| P0630 | VIN Not Programmed or Incompatible-ECM/PCM | FSM | GO to PINPOINT TEST B . |
| U1900 | CAN Communication Bus Fault - Receive Error | FSM | If any ABS module DTCs are present, REFER to VEHICLE DYNAMIC SYSTEMS . If no ABS module DTCs are present, REFER to MODULE COMMUNICATIONS NETWORK . |