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