Engine-Codes - Generic - B103B

B103B Code - Thermoelectric Driver Overcurrent Low

- Code Popularity: 1,419 Views
- Repair Importance Level: 1/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the B103B Code?

  • 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 to Fix the B103B Code?

Start by checking 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.

|What is the cost to diagnose the B103B code?

Labor: 1.0

The cost to diagnose the B103B code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are B103B code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the B103B Code Mean?

The 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.

Thermoelectric Driver Overcurrent Low

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