LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2012 >> Expedition RWD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Seat System DTCS
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Seat System DTCS

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

DTC Description Action
B106E Solid State Driver Disabled Due to Short Circuit GO to Pinpoint Test BC .
B106F Module Disabled Due to External Fault GO to Pinpoint Test BC .
B112B Mirror Power Fold Switch Input Short to Battery REFER to REAR VIEW MIRRORS .
B1317 Battery Voltage High GO to Pinpoint Test AY .
B1318 Battery Voltage Low GO to Pinpoint Test AZ .
B1342 ECU Is Faulted CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new Driver Seat Module (DSM). REFER to Driver Seat Module (DSM) . TEST the system for normal operation.
B1530 Memory Set Switch Circuit Short to Ground Refer to OEM WIRING DIAGRAMS - MEMORY SEATS SYSTEM article. GO to Pinpoint Test M .
B1534 Memory 1 Switch Circuit Short to Ground GO to Pinpoint Test M .
B1538 Memory 2 Switch Circuit Short to Ground GO to Pinpoint Test M .
B1663 Seat Driver Front Up/Down Motor Stalled If the motor does not operate, GO to Pinpoint Test L . If motor operates, GO to Pinpoint Test M .
B1664 Seat Driver Rear Up/Down Motor Stalled If the motor does not operate, GO to Pinpoint Test L . If motor operates, GO to Pinpoint Test M .
B1665 Seat Driver Forward/Backward Motor Stalled If the motor does not operate, GO to Pinpoint Test L . If motor operates, GO to Pinpoint Test M .
B1666 Seat Driver Recline Motor Stalled If the motor does not operate, GO to Pinpoint Test L . If motor operates, GO to Pinpoint Test M .
B1667 Mirror Driver Up/Down Motor Stalled REFER to REAR VIEW MIRRORS .
B1668 Mirror Driver Right/Left Motor Stalled REFER to REAR VIEW MIRRORS .
B1669 Mirror Passenger Up/Down Motor Stalled REFER to REAR VIEW MIRRORS .
B1670 Mirror Passenger Right/Left Motor Stalled REFER to REAR VIEW MIRRORS .
B1703 Seat Driver Recline Forward Switch Circuit Short to Battery GO to Pinpoint Test L .
B1707 Seat Driver Recline Rearward Switch Circuit Short to Battery GO to Pinpoint Test L .
B1711 Seat Driver Front Up Switch Circuit Short to Battery GO to Pinpoint Test L .
B1715 Seat Driver Front Down Switch Circuit Short to Battery GO to Pinpoint Test L .
B1719 Seat Driver Forward Switch Circuit Short to Battery GO to Pinpoint Test L .
B1723 Seat Driver Rearward Switch Circuit Short to Battery GO to Pinpoint Test L .
B1727 Seat Driver Rear Up Switch Circuit Short to Battery GO to Pinpoint Test L .
B1731 Seat Driver Rear Down Switch Circuit Short to Battery GO to Pinpoint Test L .
B1733 Mirror Driver Vertical Switch Circuit Failure REFER to REAR VIEW MIRRORS .
B1737 Mirror Driver Horizontal Switch Circuit Failure REFER to REAR VIEW MIRRORS .
B1741 Mirror Passenger Vertical Switch Circuit Failure REFER to REAR VIEW MIRRORS .
B1745 Mirror Passenger Horizontal Switch Circuit Failure REFER to REAR VIEW MIRRORS .
B1952 Seat Rear Up/Down Position Feedback Circuit Short to Battery GO to Pinpoint Test M .
B1953 Seat Rear Up/Down Position Feedback Circuit Short to Ground GO to Pinpoint Test M .
B1956 Seat Front Up/Down Position Feedback Circuit Short to Battery GO to Pinpoint Test M .
B1957 Seat Front Up/Down Position Feedback Circuit Short to Ground GO to Pinpoint Test M .
B1960 Seat Recline Forward/Backward Position Feedback Circuit Short to Battery GO to Pinpoint Test M .
B1961 Seat Recline Forward/Backward Position Feedback Circuit Short to Ground GO to Pinpoint Test M .
B1964 Seat Horizontal Forward/Rearward Position Feedback Circuit Short to Battery GO to Pinpoint Test M .
B1965 Seat Horizontal Forward/Rearward Position Feedback Circuit Short to Ground GO to Pinpoint Test M .
B1987 Pedal Forward/Rearward Motor Stalled REFER to BRAKE SYSTEM - GENERAL INFORMATION .
B1988 Pedal Position Forward Switch Circuit Short to Battery REFER to BRAKE SYSTEM - GENERAL INFORMATION .
B1989 Pedal Position Rearward Switch Circuit Short to Battery REFER to BRAKE SYSTEM - GENERAL INFORMATION .
B1991 Pedal Forward/Rearward Feedback Potentiometer Circuit Short to Battery REFER to BRAKE SYSTEM - GENERAL INFORMATION .
B2084 Memory Set Indicator Short to Ground
NOTE: The memory set indicator application is not used for this vehicle and is disabled by default in all modules. The presence of this DTC indicates module software error.
DISCONNECT and CHECK DSM C341D for damaged or shorted pins. REPAIR as necessary. CLEAR the DTCs. REPEAT the self-test. If DTC B2084 is retrieved again, INSTALL a new DSM. REFER to Driver Seat Module (DSM) .
B2223 Mirror Driver Drive Circuit Failure REFER to REAR VIEW MIRRORS .
B2224 Mirror Passenger Drive Circuit Failure REFER to REAR VIEW MIRRORS .
B2275 Pedal Forward/Rearward Pot. Feedback Ckt. Short to GND REFER to BRAKE SYSTEM - GENERAL INFORMATION .
B2312 Mirror Passenger Horizontal Feedback Potentiometer Circuit Failure REFER to REAR VIEW MIRRORS .
B2314 Mirror Passenger Horizontal Feedback Potentiometer Circuit Short to Battery REFER to REAR VIEW MIRRORS .
B2316 Mirror Passenger Vertical Feedback Potentiometer Circuit Failure REFER to REAR VIEW MIRRORS .
B2318 Mirror Passenger Vertical Feedback Potentiometer Circuit Short to Battery REFER to REAR VIEW MIRRORS .
B2320 Mirror Driver Horizontal Feedback Potentiometer Circuit Failure REFER to REAR VIEW MIRRORS .
B2322 Mirror Driver Horizontal Feedback Potentiometer Circuit Short to Battery REFER to REAR VIEW MIRRORS .
B2324 Mirror Driver Vertical Feedback Potentiometer Circuit Failure REFER to REAR VIEW MIRRORS .
B2326 Mirror Driver Vertical Feedback Potentiometer Circuit Short to Battery REFER to REAR VIEW MIRRORS .
B2330 Column Reach Feedback Potentiometer Circuit Short to Battery REFER to STEERING SYSTEM .
B2331 Column Reach Feedback Potentiometer Circuit Short to Ground REFER to STEERING SYSTEM .
B2334 Column Tilt Feedback Potentiometer Circuit Short to Battery REFER to STEERING SYSTEM .
B2335 Column Tilt Feedback Potentiometer Circuit Short to Ground REFER to STEERING SYSTEM .
B2340 Column Reach Motor Stalled REFER to STEERING SYSTEM .
B2341 Column Tilt Motor Stalled REFER to STEERING SYSTEM .
B2477 Module Configuration Failure REFER to MODULE CONFIGURATION .
B2A41 Steering Column Telescopic Rear Switch Short to Battery REFER to STEERING SYSTEM .
B2A42 Steering Column Tilt Up Switch Short to Battery REFER to STEERING SYSTEM .
B2A44 Steering Column Telescopic Forward Switch Short to Battery REFER to STEERING SYSTEM .
U0140 Lost Communication With Body Control Module (GEM) GO to Pinpoint Test BA .
U0155 Lost Communication With Instrument Panel Cluster (IC) Control Module GO to Pinpoint Test BB .
U2050 No Application Present REFER to MODULE CONFIGURATION .
DUAL CLIMATE CONTROLLED SEAT MODULE (DCSM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Action
B103B Thermoelectric Driver Overcurrent Low GO to Pinpoint Test AB .
B103C Thermoelectric Driver Open Load GO to Pinpoint Test AC .
B103D Blower Driver Overtemperature GO to Pinpoint Test AD .
B1111 Driver Thermoelectric Device Control Overtemperature Fault GO to Pinpoint Test AB .
B1113 Passenger Thermoelectric Device Control Overtemperature Fault GO to Pinpoint Test AE .
B111B Passenger Thermoelectric Driver Overcurrent Low GO to Pinpoint Test AE .
B111C Passenger Thermoelectric Driver Open Load GO to Pinpoint Test AF .
B111D Passenger Blower Driver Overtemperature GO to Pinpoint Test AG .
B1342 ECU is Faulted INSTALL a new Dual Climate Controlled Seat Module (DCSM). REFER to Dual Climate Controlled Seat Module (DCSM) .
B19A1 Passenger Seat Cushion Blower Speed Short to Battery GO to Pinpoint Test AH .
B19A2 Passenger Seat Back Blower Speed Short to Battery GO to Pinpoint Test AI .
B19A3 Driver Seat Cushion Blower Speed Short to Battery GO to Pinpoint Test AJ .
B19A4 Driver Seat Back Blower Speed Short to Battery GO to Pinpoint Test AK .
B19A5 Passenger Seat Cushion Blower Speed Short to Ground GO to Pinpoint Test AL .
B19A6 Passenger Seat Back Blower Speed Short to Ground GO to Pinpoint Test AM .
B19A7 Driver Seat Cushion Blower Speed Short to Ground GO to Pinpoint Test AN .
B19A8 Driver Seat Back Blower Speed Short to Ground GO to Pinpoint Test AO .
B2477 Module Configuration Failure
NOTE: This DTC indicates Programmable Module Installation (PMI) has not been done to a newly installed module or configuration data has been lost.
CARRY OUT PMI on the DCSM. REFER to GENERAL PROCEDURES . REPEAT the self-test. If PMI is successful, the DTC will not be present.
B2486 Climate Control Seat Module Voltage Out of Range GO to Pinpoint Test AP .
B2729 Cushion Over-Temp Detected (Driver) GO to Pinpoint Test AQ .
B272A Passenger Cushion Over-Temp Detected GO to Pinpoint Test AR .
B272B Passenger Back Over-Temp Detected GO to Pinpoint Test AS .
B272C Driver Differential Temperature Fault GO to Pinpoint Test AT .
B272D Passenger Differential Temperature Fault GO to Pinpoint Test AU .
B272E Driver Ignition Run/Blower Circuit Short to Ground (this DTC sets for an open or short to voltage) GO to Pinpoint Test AV .
B272F Passenger Ignition Run/Blower Circuit Short to Ground (this DTC sets for an open or short to voltage) GO to Pinpoint Test AW .
B2730 Back Over-Temp Detected (Driver) GO to Pinpoint Test AX .
U2050 No Application Present INSTALL a new DCSM. REFER to Dual Climate Controlled Seat Module (DCSM) . REPEAT the self-test.
All Other DTCs - REFER to MULTIFUNCTION ELECTRONIC MODULES .
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Action
B2794 Third Row Power Fold Circuit Failure GO to Pinpoint Test Y .
B2A2D Third Row Power Fold Circuit Short to Ground GO to Pinpoint Test Y .
All Other DTCs - REFER to MULTIFUNCTION ELECTRONIC MODULES .