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1990 Chevrolet Corvette 5.7L Auto HVAC disabled
Posted to GM HVAC on 3/30/2018 6 Replies

ATTENTION OLD CORVETTE GURUS!!!! This classic is proving an electronics challenge. It came in for auto-HVAC performance problems. It would randomly choose to work or not when commanded to do anything. I found the mix actuator was faulty sending incorrect p...

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car Vehicle Data

1990 Chevrolet Corvette

VIN 1G1YY238XL
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection
AffectedAuto HVAC Disabled
ConditionsDot and 2 Dashes on Display, System Unresponsive
Open Help Request

car Vehicle Data

1990 Chevrolet Corvette

VIN 1G1YY238XL
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection
AffectedAuto HVAC Disabled
ConditionsDot and 2 Dashes on Display, System Unresponsive