B103B - Thermoelectric Driver Overcurrent Low
B103B Possible Causes
- Faulty Thermo-Electric Device (TED) Assembly
- Thermo-Electric Device (TED) Assembly harness is open or shorted
- Thermo-Electric Device (TED) Assembly circuit poor electrical connection
- Faulty Dual Climate Controlled Seat Module (DCSM)
How do I fix code B103B?Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Cost of diagnosing the B103B code
Labor: 1.0The cost of diagnosing the B103B code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
B103B DescriptionThe seat cushion and backrest are equipped with a Thermo-Electric Device (TED) Assembly that includes a seat blower (fan motor, serviced as an assembly with the TED). When the Dual Climate Controlled Seat Module (DCSM) detects an overcurrent and/or overtemperature in the output circuits to the TEDs, it will disable the affected seat and set the following DTCs: DTC B103B (Thermoelectric Driver Overcurrent Low) If DCSM outputs to the driver seat backrest or cushion TED or any components within these circuit loops are shorted to ground or a TED resistance of less than 0.9 ohm is sensed, the DCSM shuts down the driver seat system and sets this DTC.
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