
1999 GMC Sierra 2500 SL 6.0L Heater Actuator
I am leaning on replacing the HVAC Control Module, hoping I can get some good input. First of all I do not have a Tech 2 I got a OTC Envcore and it does not have data for the heater controls. The controller will not go to defrost & down to the heater vents...
FIX posted 2/6/2023
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Message Closed w/FIX
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VIN | 1GTGK29U7X |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Affected | Heater Actuator |
Conditions | All the Time |
Message Closed w/FIX
Vehicle Data
1999 GMC Sierra 2500 SL
VIN | 1GTGK29U7X |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Affected | Heater Actuator |
Conditions | All the Time |