B1038 FORD - Left Front Seat Heater Sensor

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

B1038 FORD Possible Causes

  • Faulty Left Front Seat Heater Sensor
  • Left Front Seat Heater Sensor harness is open or shorted
  • Left Front Seat Heater Sensor circuit poor electrical connection
  • Faulty Heating, Ventilation, and Air Conditioning (HVAC) Module

B1038 FORD Tech Notes

B1038:11 Left Front Seat Heater Sensor: Circuit Short To Ground
B1038:12 Left Front Seat Heater Sensor: Circuit Short To Battery

Cost of diagnosing the B1038 FORD code

    Labor: 1.0

    The cost of diagnosing the B1038 FORD code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

B1038 FORD Possible Symptoms

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

B1038 FORD Meaning

The engine must be running for the heated seat system to operate. The driver and passenger heated seat buttons are selected from the touchscreen interface, which initiates the CAN communication to request heated seat operation. Upon receiving the request, the Heating, Ventilation, and Air Conditioning (HVAC) Module supplies voltage to the appropriate driver and/or passenger seat cushion and backrest heater mats, which are connected in series. Temperature is maintained by the HVAC module using a sensor contained within the cushion heater mat. The HVAC module supplies a reference voltage to the temperature sensor and monitors the return signal from the temperature sensor for controlling current flow to the heater mats. The HVAC module remains on, heating the seat and maintaining temperature until commanded off from the touchscreen (or until the ignition is turned OFF).
OBDII Code B1038 FORD - Left Front Seat Heater Sensor - Engine-Codes.com

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