B1245
Book Code B1245 Inspection
Automotive Climate Control
Low / Normal Under Shade
Code B1245 - Blend Door Actuator Potentiometer Circuit (Ford / GM)
Common in Ford and GM trucks/SUVs, indicating failed feedback potentiometer inside the temperature blend actuator.
Safe to Drive? ✅ Yes, Safe
Estimated Repair Cost 150 - 450 SAR
Common Makes Ford, Lincoln, Chevrolet, GMC
System Category motor
Symptoms of Trouble Code B1245:
- ⚠️ AC blows hot air in summer despite setting temperature to coldest
- ⚠️ Persistent clicking or knocking behind the radio or glovebox
- ⚠️ Temperature knob feels ineffective
Common Causes Behind Code B1245:
- 🔍 Worn carbon resistance track inside factory actuator
- 🔍 Cracked internal plastic drive gear
Diagnostic Procedure Recommended by Auto Save Technicians:
- 1 Perform HVAC actuator recalibration key cycle procedure
- 2 Replace failed actuator with genuine Motorcraft or ACDelco unit
Specialist Recommendation:
Request Parts & Repair Quote
Do not remove entire dash on Ford/GM; most actuators are reachable by dropping the glovebox.
Associated Components: Ford/GM Blend Door Actuator Plastic Gear Assembly
Frequently Asked Questions: Code B1245
How do you recalibrate Ford climate blend doors?
On many Ford models, press Floor and Defrost simultaneously for 2 seconds, then press Auto to trigger self-test.