Engine-Codes - Gmc - B1265 GMC

B1265 GMC - Cold Air Bypass Door Actuator Circuit Failure

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

B1265 GMC Possible Causes

  • Faulty Cold Air Bypass Door Actuator
  • Cold Air Bypass Door Actuator harness is open or shorted
  • Cold Air Bypass Door Actuator circuit poor electrical connection
  • Faulty Electronic Automatic Temperature Control (EATC) Module

How do I fix code B1265 GMC?

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.

Cost of diagnosing the B1265 GMC code

Labor: 1.0

The cost of diagnosing the B1265 GMC 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.

Possible Symptoms

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

B1265 GMC Meaning

The Electronic Automatic Temperature Control (EATC) Module monitors the Cold Air Bypass Door Actuator. The EATC Module sets the OBDII code when the Cold Air Bypass Door Actuator is not to factory specifications.

B1265 GMC More Information

Need more information on how to fix the B1265 GMC code?
Get Access to Factory Service Manuals

Need more help?

Get the B1265 Gmc code diagnosed by a professional: Find a repair shop in your area