Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2013EXPEDITION EL KING RANCH, RWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTSEAT SYSTEM - SEATSDIAGNOSIS AND TESTINGSEATSDTC CHARTSDUAL CLIMATE CONTROLLED SEAT MODULE (DCSM) DTC CHART
2013 Ford Expedition EL King Ranch, RWD
Dual Climate Controlled Seat Module (DCSM) DTC Chart
2013 Ford Expedition EL King Ranch, RWDSECTION Dual Climate Controlled Seat Module (DCSM) DTC Chart
DUAL CLIMATE CONTROLLED SEAT MODULE (DCSM) DTC CHART
| 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 . |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.