Fire Suppression System DTCS
FIRE SUPPRESSION SYSTEM MODULE (FSSM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | LFC | Description | Action |
|---|---|---|---|
| B1231 | 1-3 | Event Threshold Exceeded | The fire suppression system was deployed. INSTALL a new Fire Suppression System Module (FSSM), new LH and RH fire suppressors, new LH and RH external fire suppression actuators (if equipped), new fire suppression manifolds and a new fire suppression manual switch (if the plastic cover is damaged). REFER to FIRE SUPPRESSION SYSTEM MODULE (FSSM) , FIRE SUPPRESSOR - WITH EXTERNAL FIRE SUPPRESSOR ACTUATOR (if equipped), FIRE SUPPRESSOR - WITHOUT EXTERNAL FIRE SUPPRESSOR ACTUATOR , FIRE SUPPRESSION MANIFOLD and FIRE SUPPRESSION MANUAL SWITCH in this service information. |
| B1317 | Continuous | Battery Voltage High | GO to PINPOINT TEST K . |
| B1318 | Continuous | Battery Voltage Low | GO to PINPOINT TEST L . |
| B1342 | 1-2 | ECU Is Faulted | INSTALL a new FSSM. REFER to FIRE SUPPRESSION SYSTEM MODULE (FSSM) in this service information. TEST the system for normal operation. |
| B1921 | 1-4 | Air Bag Diagnostic Monitor Ground Circuit Open | REFER to INFORMATION CENTER - INSTRUMENTATION, MESSAGE CENTER AND WARNING CHIMES article. |
| B2477 | 5-4 | Module Configuration Failure | INSTALL a new FSSM. REFER to FIRE SUPPRESSION SYSTEM MODULE (FSSM) in this service information. TEST the system for normal operation. |
| B2792 | 12-11 | Cross Link Between Firing Loops | GO to PINPOINT TEST I . |
| B2900 | 11-8 | VINMismatch | GO to PINPOINT TEST A . |
| B299A | 1-9 | Suppressor Left Circuit Open - Loop # 1 | GO to PINPOINT TEST B . |
| B299B | 8-7 | Suppressor Left Circuit Short to Battery - Loop # 1 | GO to PINPOINT TEST E . |
| B299C | 8-3 | Suppressor Left Circuit Short to Ground - Loop # 1 | GO to PINPOINT TEST F . |
| B299E | 8-11 | Suppressor Left Circuit Resistance Low on Squib - Loop # 1 | GO to PINPOINT TEST H . |
| B299F | 8-1 | Suppressor Left Circuit Open - Loop # 2 | GO to PINPOINT TEST D . |
| B29A0 | 8-8 | Suppressor Left Circuit Short to Battery - Loop # 2 | INSTALL a new FSSM. REFER to FIRE SUPPRESSION SYSTEM MODULE (FSSM) in this service information. TEST the system for normal operation. |
| B29A1 | 8-4 | Suppressor Left Circuit Short to Ground - Loop # 2 | GO to PINPOINT TEST G . |
| B29A3 | 8-12 | Suppressor Left Circuit Resistance Low on Squib - Loop # 2 | GO to PINPOINT TEST G . |
| B29A4 | 2-1 | Suppressor Right Circuit Open - Loop # 1 | GO to PINPOINT TEST C . |
| B29A5 | 8-9 | Suppressor Right Circuit Short to Battery - Loop # 1 | GO to PINPOINT TEST E . |
| B29A6 | 8-5 | Suppressor Right Circuit Short to Ground - Loop # 1 | GO to PINPOINT TEST F . |
| B29A8 | 8-13 | Suppressor Right Circuit Resistance Low on Squib - Loop # 1 | GO to PINPOINT TEST H . |
| B29A9 | 8-2 | Suppressor Right Circuit Open - Loop # 2 | GO to PINPOINT TEST D . |
| B29AA | 8-10 | Suppressor Right Circuit Short to Battery - Loop # 2 | INSTALL a new FSSM. REFER to FIRE SUPPRESSION SYSTEM MODULE (FSSM) in this service information. TEST the system for normal operation. |
| B29AB | 8-6 | Suppressor Right Circuit Short to Ground - Loop # 2 | GO to PINPOINT TEST G . |
| B29AD | 8-14 | Suppressor Right Circuit Resistance Low on Squib - Loop # 2 | GO to PINPOINT TEST G . |
| B29AE | 7-1 | Fire Suppression Manual Activation Switch Closed at Key On | CLEAR the DTCs. REPEAT the self-test. If DTC B29AE is retrieved, INSTALL a new fire suppression manual switch. REFER to FIRE SUPPRESSION MANUAL SWITCH in this service information. CLEAR the DTCs. REPEAT the self-test. |
| B29AF | 5-1 | Fire Suppression Manual Activation Switch High Side Circuit Failure | GO to PINPOINT TEST J . |
| B29B0 | 7-9 | Fire Suppression Manual Activation Switch High Side Circuit Short to Battery | GO to PINPOINT TEST J . |
| B29B1 | 5-2 | Fire Suppression Manual Activation Switch Low Side Circuit Failure | GO to PINPOINT TEST J . |
| B29B2 | 7-2 | Fire Suppression Manual Activation Switch Low Side Circuit Short to Ground | GO to PINPOINT TEST J . |
| B29B3 | None | Fire Suppression Indicator Lamp Circuit Failure | REFER to INFORMATION CENTER - INSTRUMENTATION, MESSAGE CENTER AND WARNING CHIMES article. |
| B29B4 | None | Fire Suppression Indicator Lamp Circuit Short to Battery | REFER to INFORMATION CENTER - INSTRUMENTATION, MESSAGE CENTER AND WARNING CHIMES article. |
| P0630 | 11-8 | VIN Not Programmed or Incompatible - ECM/PCM | GO to PINPOINT TEST A . |
| U1900 | 1-6 | CAN Communication Bus Fault - Receive Error | If any ABS module DTCs are present, REFER to ANTI-LOCK BRAKE SYSTEM - VEHICLE DYNAMIC SYSTEMS article. If no ABS module DTCs are present, REFER to MODULE COMMUNICATIONS NETWORK article. |