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B1263 GMC Code - Panel/Defrost Actuator Failure

- Code Popularity: 661 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By - Updated Mar 06, 2019
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|B1263 GMC code possible causes

  • Faulty Panel/Defrost Actuator
  • Panel/Defrost Actuator harness is open or shorted
  • Panel/Defrost Actuator circuit poor electrical connection
  • Faulty Electronic Automatic Temperature Control (EATC) Module

|How do I fix code B1263 GMC code?

Check 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.

Does your car have Safety Recalls? → Check here

|Cost of diagnosing B1263 GMC code

Labor: 1.0

The cost of diagnosing the B1263 GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

|What are B1263 GMC code possible symptoms?

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

|B1263 GMC code description

Under normal operation, the panel/defrost and floor door actuator motors are supplied voltage or ground through the circuit, depending on desired actuator rotation, by the Electronic Automatic Temperature Control (EATC) module. The EATC module then supplies the appropriate voltage or ground to the other side of the actuator motor. The panel/defrost and floor door actuator feedback resistors are supplied a ground and a 5-volt reference voltage from the EATC module. The EATC module reads the voltage on the circuit to determine the actuator position by the position of the actuator feedback resistor wiper arm.

OBDII Code b1263 gmc - Panel/Defrost Actuator Failure -
B1263 GMC Code - Panel/Defrost Actuator Failure

|Need more information with the B1263 GMC code?

Need more information on how to fix the B1263 GMC code? Get Access to Factory Service Manuals

|Need help with a B1263 GMC code?

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|B1263 GMC code comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the b1263 gmc code? Have you replaced any parts?
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