How to replace the auxiliary HVAC Control Module on an extended wheelbase on Chevrolet Tahoe?

Vehicle maintenance begins with proper refrigerant recovery from the A/C system and complete engine coolant drain before handling the auxiliary HVAC module replacement process on extended wheelbase vehicles. Locate the auxiliary HVAC module underneath and remove all lines connecting heater lines (2, 3) and air conditioning lines (4, 5). Lower the vehicle after removing the module retaining nuts so you can remove the right rear quarter trim panel. First remove the fasteners securing the module and the forward auxiliary air duct before extracting the auxiliary HVAC module after cable disconnection from its electrical connectors and outlet of the forward auxiliary air duct. Place the installed auxiliary HVAC module assembly back into the vehicle and fasten it with 2 bolts followed by reattaching the forward auxiliary air duct. The vehicle's right rear quarter trim panel should be reinstalled before you reconnect all electrical connectors. Then raise the vehicle. Secure the auxiliary HVAC module in place with nuts tightened to 9 Nm (80 lb in) before installing air conditioning lines (4, 5) then tightening the nut to 16 Nm (12 lb ft) and finally connecting heater lines (2, 3). Finish the repairs by lowering the vehicle and filling engine coolant followed by refrigerant recharge before conducting a leak test using the J 39400-A Halogen Leak Detector.

OEM Chevrolet Tahoe HVAC Control Module

Heater Control Assembly

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10 HVAC Control Modules found

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Chevrolet Tahoe Blower Motor Resistor
Part Number: 84178783
$87.39 MSRP: $179.59
You Save: $92.20 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Module Assembly-Blower Motor Control; Control Module; Resistor
- Replaces: 13503201, 13598134, 13598091, 15141283, 13598090, 13501703, 22811003
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2022 Chevrolet Tahoe | Commercial, High Country, Hybrid, LS, LT, LTZ, PPV, Premier, RST, SSV, Z71 | 6 Cyl 3.0 L DIESEL, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Chevrolet Tahoe Blower Motor Resistor
Part Number: 84488485
$39.23 MSRP: $70.05
You Save: $30.82 (44%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Module Assembly-Blower Motor Control; Module; Module, A/C Electric Temperature And Motor Control; Module, Heater Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023 Chevrolet Tahoe | Commercial, High Country, LS, LT, PPV, Premier, RST, SSV, Z71 | 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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Chevrolet Tahoe Control Module
Part Number: 13506230
$90.66 MSRP: $186.31
You Save: $95.65 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote; Climate Control Module; Module; Control, Heater And A/C Control; Control, A/C Instrument Panel
- Replaces: 13594965, 13598177
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016 Chevrolet Tahoe | LS, LT, LTZ, PPV, SSV | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Tahoe Heater Control
Part Number: 19244874
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module; Blower Control Switch; Dash Control Unit
- Position: Rear
- Replaces: 15054698, 15753263, 09361345, 9361345
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2001 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS
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Chevrolet Tahoe Heater Control
Part Number: 15763059
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module; Blower Control Switch; Dash Control Unit
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 Chevrolet Tahoe | Base, LS, LT, Z71 | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Tahoe Dash Control Unit, Rear
Part Number: 16233144
Product Specifications
- Other Name: Control Assembly, Heater (W/Rear Window Defogger Switch); Climate Control Module
- Position: Rear
- Replaces: 16177635
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1996 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
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Chevrolet Tahoe Dash Control Unit
Part Number: 19417446
$165.06 MSRP: $259.72
You Save: $94.66 (37%)
Product Specifications
- Other Name: Control Assembly, Heater & A/C (W/Heated Mirror Switch); Climate Control Module
- Replaces: 15222482, 15855849
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 Chevrolet Tahoe | Base, LS, LT, Z71 | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Tahoe Heater Control
Part Number: 19370216
$174.14 MSRP: $274.00
You Save: $99.86 (37%)
Product Specifications
- Other Name: Control, Air Conditioner Instrument Panel; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaces: 10370034, 15832315, 21997353
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2006 Chevrolet Tahoe | Base, LS, LT, Z71 | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Tahoe Heater Control
Part Number: 19370209
$169.27 MSRP: $266.33
You Save: $97.06 (37%)
Product Specifications
- Other Name: Control, Air Conditioner Instrument Panel; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaces: 10367042, 15107730, 15185639, 15137655, 15105215
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2005 Chevrolet Tahoe | LS, LT, Z71 | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Tahoe Control Module
Part Number: 88892738
Product Specifications
- Other Name: Module Assembly, Auxiliary Heater & Blower Control; Module, Heater Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2002 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS

Chevrolet Tahoe HVAC Control Module

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Chevrolet Tahoe HVAC Control Module Parts Questions & Experts Answers

Blower Motor Resistor
84178783
Q: How to replace the auxiliary HVAC Control Module on an extended wheelbase on Chevrolet Tahoe?
A: Vehicle maintenance begins with proper refrigerant recovery from the A/C system and complete engine coolant drain before handling the auxiliary HVAC module replacement process on extended wheelbase vehicles. Locate the auxiliary HVAC module underneath and remove all lines connecting heater lines (2, 3) and air conditioning lines (4, 5). Lower the vehicle after removing the module retaining nuts so you can remove the right rear quarter trim panel. First remove the fasteners securing the module and the forward auxiliary air duct before extracting the auxiliary HVAC module after cable disconnection from its electrical connectors and outlet of the forward auxiliary air duct. Place the installed auxiliary HVAC module assembly back into the vehicle and fasten it with 2 bolts followed by reattaching the forward auxiliary air duct. The vehicle's right rear quarter trim panel should be reinstalled before you reconnect all electrical connectors. Then raise the vehicle. Secure the auxiliary HVAC module in place with nuts tightened to 9 Nm (80 lb in) before installing air conditioning lines (4, 5) then tightening the nut to 16 Nm (12 lb ft) and finally connecting heater lines (2, 3). Finish the repairs by lowering the vehicle and filling engine coolant followed by refrigerant recharge before conducting a leak test using the J 39400-A Halogen Leak Detector.