2001 Ford Explorer ChassisFACTORY OEM SERVICE PROCEDURE

A/C-Heater System DTCS: Automatic: EATC

A/C-HEATER SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (AUTOMATIC - EATC)

DTC Description
B1249 Blend Door Actuator Short
B1249 Blend Door Actuator Failure
B1251 In-Car Temp. Sensor Open
B1253 In-Car Temp. Sensor Short
B1255 Ambient Air Temp. Sensor Open
B1257 Ambient Air Temp. Sensor Short
B1261 Sunload Temp. Sensor Short
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.