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Fire Suppression Module (FSM) Diagnostic Trouble Code (DTC) Index

WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
FIRE SUPPRESSION MODULE (FSM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX

DTC Description Source Action
B1921 Air Bag Diagnostic Monitor Ground Circuit Open FSM GO to PINPOINT TEST K .
B29B3 Fire Suppression Indicator Lamp Circuit Failure FSM If the indicator is never on, GO to PINPOINT TEST K .
If the indicator is always on, GO to PINPOINT TEST L .
B29B4 Fire Suppression Indicator Lamp Circuit Short to Battery FSM GO to PINPOINT TEST L .
All other DTCs - FSM REFER to FIRE SUPPRESSION SYSTEM .