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2004 Chevrolet Tahoe LS 5.3L Rear Heater
Posted to GM HVAC on 11/30/2007 3 Replies

Thank you in advance. We have a 2004 Tahoe that the rear heater temperature control is inoperative. We scanned it for DTC - no codes. Voltage cycles between 2.5v and 5.0v at terminal 6 on air temperature actuator. You can feel the motor try to move. Remove act...

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car Vehicle Data

2004 Chevrolet Tahoe LS

VIN 1GNEK13ZX4
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedRear Heater
ConditionsTemperature Control Inoperative
Message Closed

car Vehicle Data

2004 Chevrolet Tahoe LS

VIN 1GNEK13ZX4
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedRear Heater
ConditionsTemperature Control Inoperative