How to replace the HVAC control module on 2004 Cadillac CTS?

To change the HVAC control module, unscrew the screw at the back of the ashtray and remove the trim plate. Disassembly Unscrew the electrical connectors and the module screws, then the module. To install, insert the module in the trim plate, reconnect the connectors, press the trim plate until the tabs slide into place.

OEM 2004 Cadillac CTS HVAC Control Module

Heater Control Assembly

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1 HVAC Control Module found

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2004 Cadillac CTS Control Module Part Number: 25740415
Product Specifications
- Other Name: Module, Blower Motor Control; Module, A/C Electric Temperature And Motor Control
- Item Weight: 1.30 Pounds
- Item Dimensions: 7.1 x 6.2 x 5.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25740415
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Cadillac CTS Submodels:
- Base, Luxury, Luxury Sport, V | 6 Cyl 2.8 L GAS, 6 Cyl 3.2 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L GAS

2004 Cadillac CTS HVAC Control Module

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2004 Cadillac CTS HVAC Control Module Parts and Q&A

Q: How to replace the HVAC control module on 2004 Cadillac CTS?
A: To change the HVAC control module, unscrew the screw at the back of the ashtray and remove the trim plate. Disassembly Unscrew the electrical connectors and the module screws, then the module. To install, insert the module in the trim plate, reconnect the connectors, press the trim plate until the tabs slide into place.