
2007 GMC Sierra 2500 HD SLE 6.0L Mode Door operation
Hello, We have the HVAC complaint of not switching from defrost to vent to floor. (stuck on defrost) Scan data showed command of 12 but actual was at 220. BCM DTC B3779. Replaced actuator with OEM and performed the calibration with the Tech2. The problem w...
FIX posted 11/12/2019
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Message Closed w/FIX
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VIN | 1GTHC24K17 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Affected | Mode Door Operation |
Message Closed w/FIX
Vehicle Data
2007 GMC Sierra 2500 HD SLE
VIN | 1GTHC24K17 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Affected | Mode Door Operation |