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.