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Driver Seat Module (DSM) DTC Chart

DRIVER SEAT MODULE (DSM) DTC CHART

DTC Description Source Action
B1987 Pedal Forward/Rearward Motor Stalled DSM Go to Pinpoint Test E .
B1988 Pedal Position Forward Switch Circuit Short to Ground DSM Go to Pinpoint Test C .
B1989 Pedal Position Rearward Switch Circuit Short to Ground DSM Go to Pinpoint Test C .
B1990 Pedal Forward/Rearward Potentiometer Feedback Circuit Failure DSM Go to Pinpoint Test E .
B1991 Pedal Forward/Rearward Potentiometer Feedback Circuit Short to Battery DSM Go to Pinpoint Test E .
All other DSM DTCs - DSM REFER to the Master DTC Chart in MULTIFUNCTION ELECTRONIC MODULES article.
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