Pinpoint Test P : DTCS B103B And B1111: Notes
WARNING: This page is about a different car, the 2016 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Climate Controlled Seats for schematic and connector information.
Normal Operation and Fault Conditions
The SCME monitors the backrest and cushion blower motor circuits. If a short to ground or voltage on any of these circuits is detected, the Diagnostic Trouble Codes (DTCs) set.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B103B | Thermoelectric Driver Overcurrent Low | If SCME outputs to the driver seat backrest or cushion blower motor are shorted to ground or a blower motor resistance of less than 0.9 ohm is sensed, the SCME shuts down the driver seat system and sets this DTC. |
| B1111 | Driver Thermal Electric Device Control Overtemperature Fault | If the SCME blower motor driver integrated circuit temperature exceeds 175 ° C (347 ° F), the SCME shuts down the driver seat system and sets this DTC. |
Possible Causes
- Wiring, terminals or connectors
- Backrest blower motor
- Cushion blower motor
- SCME