How to Service and Repair the HVAC Control Module on Cadillac Seville?

To service and repair the Control Module, HVAC, take out the sound insulator, the instrument panel (IP) compartment and the dash integration module (DIM). Next, remove the 2 rear DIM bracket screws and relocate the DIM bracket to allow access for the blower control module. Confirm that the blower control module can be accessed and removed once the bracket is repositioned. For installation, reposition the blower control module and fit the retaining screw and tighten it up to 1.4 Nm (12 lb.ft) 1.4. Connect the blower control module electrical connector and the blower motor electrical connect, then reposition the DIM bracket to their original position and install the 2 rear DIM bracket screws, tighten 1.4N.m (12 lb ft). Lastly, install DIM, IP compartment, and the right sound insulator.

How to replace the HVAC control module (Auxiliary) on Cadillac Seville?

Start the HVAC Control Module (Auxiliary) replacement process by gently popping off the top of the rear hvac control using a flat tool, disconnecting the electrical connector and removing the control from the vehicle's Center Console and seat. Begin by connecting the electrical connector to the rear hvac control and insert it through the console base before pressing down on the upper part to fully lock it into the console/seat area.

OEM Cadillac Seville HVAC Control Module

Heater Control Assembly

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Cadillac Seville Control Module Part Number: 16047800
$180.58 MSRP: $326.84
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Product Specifications
- Other Name: Ambient Temperature Sensor; Air Temperature Sensor; Power Module; In-Car Sensor; Module
- Replaced by: 12484912
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986-1995 Cadillac Seville | Base, Elegante, SLS, STS | 8 Cyl 4.1 L GAS, 8 Cyl 4.5 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 4.9 L GAS
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Cadillac Seville Control Module Part Number: 12368389
Product Specifications
- Other Name: Module, Blower Motor Control; Module; Module, A/C Electric Temperature And Motor Control
- Replaces: 16174976
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1993 Cadillac Seville | Base, STS | 8 Cyl 4.6 L GAS, 8 Cyl 4.9 L GAS
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Cadillac Seville Heater Control Part Number: 25771350
Product Specifications
- Other Name: Control Assembly-Heater & A/C; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaces: 09383026, 9383026
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2004 Cadillac Seville | SLS, STS | 8 Cyl 4.6 L GAS
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Cadillac Seville Dash Control Unit Part Number: 19178523
Product Specifications
- Other Name: Control Assembly, Heater & A/C (Remanufacture); Climate Control Module
- Replaces: 01225511, 1225511
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Cadillac Seville | Base, Elegante | 8 Cyl 4.1 L GAS
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Cadillac Seville Dash Control Unit Part Number: 16199718
Product Specifications
- Other Name: Programmer Assembly, Heater & A/C (Remanufacture); Climate Control Module; A/C Programmer
- Replaced by: 19153512
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993 Cadillac Seville | Base, STS | 8 Cyl 4.6 L GAS, 8 Cyl 4.9 L GAS
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Cadillac Seville Dash Control Unit Part Number: 16176559
Product Specifications
- Other Name: Programmer Assembly, Heater & A/C (Remanufacture); Climate Control Module; A/C Programmer
- Replaced by: 19153477
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992 Cadillac Seville | Base, STS | 8 Cyl 4.9 L GAS
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Cadillac Seville Dash Control Unit Part Number: 1225513
Product Specifications
- Other Name: Control Assembly, Heater/AC (Remanufacture); Climate Control Module
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Cadillac Seville | Base, Elegante | 8 Cyl 4.1 L GAS
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Cadillac Seville Control Module Part Number: 52480042
Product Specifications
- Other Name: Module, Blower Motor Control; Module; Module, A/C Electric Temperature And Motor Control
- Replaces: 52474881
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2004 Cadillac Seville | SLS, STS | 8 Cyl 4.6 L GAS

Cadillac Seville HVAC Control Module

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Cadillac Seville HVAC Control Module substantially offers comfort and efficiency to the Cadillac Seville vehicles, recognized for its steadiness and power. This advanced module acts as the control panel for the air conditioning systems and rightfully controls the heating and cooling process to keep the car cabin comfortable irrespective of the weather outside. Applying modern technology that enables the device to control the speed of the blower motor according to the current temperature the Cadillac Seville HVAC Control Module is compatible with various Seville models manufactured between 1975 and 2004. The climate control feature is about more responsive, thus distinguishing this model from the others that came before it. Cadillac Seville HVAC Control Module has appealing buttons, dials, and knobs that enable the users to handle the climate system of a car effectively and make their ride luxurious. Moreover, the design of the presented module does not neglect such problems as the fading of the labels or failure of the controls, which makes the presented module suitable for ensuring the vehicle's functionality. Due to these distinctive features and rigorous focus on performance, the Cadillac Seville HVAC Control Module is a distinguished automobile part in the automotive market, an epitome of Cadillac's penchant for comfort. Since the Cadillac Seville's climate control is made up of significant areas of this component, it not only improves the driving experience but also establishes Cadillac's official image of quality and elegance.

Cadillac Seville HVAC Control Module Parts and Q&A

Heater Control
25771350
Q: How to Service and Repair the HVAC Control Module on Cadillac Seville?
A:
To service and repair the Control Module, HVAC, take out the sound insulator, the instrument panel (IP) compartment and the dash integration module (DIM). Next, remove the 2 rear DIM bracket screws and relocate the DIM bracket to allow access for the blower control module. Confirm that the blower control module can be accessed and removed once the bracket is repositioned. For installation, reposition the blower control module and fit the retaining screw and tighten it up to 1.4 Nm (12 lb.ft) 1.4. Connect the blower control module electrical connector and the blower motor electrical connect, then reposition the DIM bracket to their original position and install the 2 rear DIM bracket screws, tighten 1.4N.m (12 lb ft). Lastly, install DIM, IP compartment, and the right sound insulator.
Control Module
52480042
Q: How to replace the HVAC control module (Auxiliary) on Cadillac Seville?
A:
Start the HVAC Control Module (Auxiliary) replacement process by gently popping off the top of the rear hvac control using a flat tool, disconnecting the electrical connector and removing the control from the vehicle's Center Console and seat. Begin by connecting the electrical connector to the rear hvac control and insert it through the console base before pressing down on the upper part to fully lock it into the console/seat area.