Driver Seat Module (DSM)

DRIVER SEAT MODULE (DSM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC	Description	Source	Perform Test
B1342	ECU Is Faulted	DSM	INSTALL a new DSM. REFER to MULTIFUNCTION ELECTRONIC MODULES .
B1530	Memory Set Switch Circuit Short to Ground	DSM	GO to PINPOINT TEST I .
B1534	Memory 1 Switch Circuit Short to Ground	DSM	GO to PINPOINT TEST I .
B1538	Memory 2 Switch Circuit Short to Ground	DSM	GO to PINPOINT TEST I .
B1663	Seat Driver Front Up/Down Motor Stalled	DSM	If the motor does not operate, GO to PINPOINT TEST H . If motor operates, GO to PINPOINT TEST I .
B1664	Seat Driver Rear Up/Down Motor Stalled	DSM	If the motor does not operate, GO to PINPOINT TEST N . If motor operates, GO to PINPOINT TEST I .
B1665	Seat Driver Forward/Backward Motor Stalled	DSM	If the motor does not operate, GO to PINPOINT TEST H . If motor operates, GO to PINPOINT TEST I .
B1667	Mirror Driver Up/Down Motor Stalled	DSM	REFER to REAR VIEW MIRRORS .
B1668	Mirror Driver Right/Left Motor Stalled	DSM	REFER to REAR VIEW MIRRORS .
B1669	Mirror Passenger Up/Down Motor Stalled	DSM	REFER to REAR VIEW MIRRORS .
B1670	Mirror Passenger Right/Left Motor Stalled	DSM	REFER to REAR VIEW MIRRORS .
B1676	Battery Voltage Out of Range	DSM	REFER to CHARGING SYSTEM - GENERAL INFORMATION .
B1711	Seat Driver Front Up Switch Circuit Short to Battery	DSM	GO to PINPOINT TEST H .
B1715	Seat Driver Front Down Switch Circuit Short to Battery	DSM	GO to PINPOINT TEST H .
B1719	Seat Driver Forward Switch Circuit Short to Battery	DSM	GO to PINPOINT TEST H .
B1723	Seat Driver Rearward Switch Circuit Short to Battery	DSM	GO to PINPOINT TEST H .
B1727	Seat Driver Rear Up Switch Circuit Short to Battery	DSM	GO to PINPOINT TEST H .
B1731	Seat Driver Rear Down Switch Circuit Short to Battery	DSM	GO to PINPOINT TEST H .
B1735	Mirror Driver Vertical Switch Circuit Short to Battery	DSM	REFER to REAR VIEW MIRRORS .
B1739	Mirror Driver Horizontal Switch Circuit Short to Battery	DSM	REFER to REAR VIEW MIRRORS .
B1743	Mirror Passenger Vertical Switch Circuit Short to Battery	DSM	REFER to REAR VIEW MIRRORS .
B1747	Mirror Passenger Horizontal Switch Circuit Short to Battery	DSM	REFER to REAR VIEW MIRRORS .
B1950	Seat Rear Up/Down Feedback Potentiometer Circuit Failure	DSM	GO to PINPOINT TEST I .
B1952	Seat Rear Up/Down Feedback Potentiometer Circuit Short to Battery	DSM	GO to PINPOINT TEST I .
B1954	Seat Front Up/Down Feedback Potentiometer Circuit Failure	DSM	GO to PINPOINT TEST I .
B1956	Seat Front Up/Down Feedback Potentiometer Circuit Short to Battery	DSM	GO to PINPOINT TEST I .
B1962	Seat Horizontal Forward/Rearward Feedback Potentiometer Circuit Failure	DSM	GO to PINPOINT TEST I .
B1964	Seat Horizontal Forward/Rearward Feedback Potentiometer Circuit Short to Battery	DSM	GO to PINPOINT TEST I .
B1987	Pedal Forward/Rearward Motor Stalled	DSM	REFER to BRAKE SYSTEM-GENERAL INFORMATION .
B1988	Pedal Position Forward Switch Circuit Short to Ground	DSM	REFER to BRAKE SYSTEM-GENERAL INFORMATION .
B1989	Pedal Position Rearward Switch Circuit Short to Ground	DSM	REFER to BRAKE SYSTEM-GENERAL INFORMATION .
B1990	Pedal Forward/Rearward Feedback Potentiometer Circuit Failure	DSM	REFER to BRAKE SYSTEM-GENERAL INFORMATION .
B1991	Pedal Forward/Rearward Feedback Potentiometer Circuit Short to Battery	DSM	REFER to BRAKE SYSTEM-GENERAL INFORMATION .
B2312	Mirror Passenger Horizontal Feedback Potentiometer Circuit Failure	DSM	REFER to REAR VIEW MIRRORS .
B2314	Mirror Passenger Horizontal Feedback Potentiometer Short to Battery	DSM	REFER to REAR VIEW MIRRORS .
B2316	Mirror Passenger Vertical Feedback Potentiometer Circuit Failure	DSM	REFER to REAR VIEW MIRRORS .
B2318	Mirror Passenger Vertical Feedback Potentiometer Short to Battery	DSM	REFER to REAR VIEW MIRRORS .
B2320	Mirror Driver Horizontal Feedback Potentiometer Circuit Failure	DSM	REFER to REAR VIEW MIRRORS .
B2322	Mirror Driver Horizontal Feedback Potentiometer Short to Battery	DSM	REFER to REAR VIEW MIRRORS .
B2324	Mirror Driver Vertical Feedback Potentiometer Circuit Failure	DSM	REFER to REAR VIEW MIRRORS .
B2326	Mirror Driver Vertical Feedback Potentiometer Short to Battery	DSM	REFER to REAR VIEW MIRRORS .
B2477	Module Configuration Failure	DSM	INSTALL a new DSM. REFER to MULTIFUNCTION ELECTRONIC MODULES .
U1950	UBP Communication Bus Fault	DSM	CHECK circuit 2077 (PK/LB) for an open connection between DSM C341c-2 and DLC C251-3 and for a short to ground or voltage. REPAIR as needed. If okay, CHECK the UBP bus for communication. REFER to MODULE COMMUNICATIONS NETWORK . If the DSM and UBP bus communication is OK, CONFIGURE the DSM and RETEST. REFER to MODULE CONFIGURATION . If the DSM will not configure correctly or the DTC returns, INSTALL a new DSM. REFER to MULTIFUNCTION ELECTRONIC MODULES .
U2306	UBP Invalid Data	DSM	CHECK circuit 2077 (PK/LB) for poor connection between DSM C341c-1 and DLC C251-3 and for a short to ground or voltage. REPAIR as needed. If okay, CHECK the UBP bus for communication. REFER to MODULE COMMUNICATIONS NETWORK . If the DSM and UBP bus communication is OK, CONFIGURE the DSM and RETEST. REFER to MODULE CONFIGURATION . If the DSM will not configure correctly or the DTC returns, INSTALL a new DSM. REFER to MULTIFUNCTION ELECTRONIC MODULES .
U2470	Unexpected PRNDL State	DSM	CHECK the PRNDL for PARK position. If okay, CHECK the DSM transmission switch input status PID value for PARK/NEUTRAL. If the PID value is incorrect, CHECK circuit 1434 (LB/PK) for a fault between DSM C341d-17 and SJB C2280d-19. CHECK for SJB DTC B2066 or B2067. If present, REFER to AUTOMATIC TRANSAXLE/TRANSMISSION . CLEAR the DTC. REPEAT the selt-test. If PID value is correct, CHECK the DSM configuration and CONFIGURE, if necessary and RETEST. REFER to MODULE CONFIGURATION . If configured correctly and the DTC remains, INSTALL a new DSM. REFER to MULTIFUNCTION ELECTRONIC MODULES . CLEAR the DTC. REPEAT the selt-test.