hvac

Climate Control Module

for 2017 Dodge Viper 8.4L V10 · RWD

Difficulty

Moderate

Time

1.2 h

Tools

Steps

🔧Does this apply to your car? Some vehicles require actuator calibration or module configuration after replacing the climate control module. Symptoms like air blowing from wrong vents after replacement usually mean calibration was skipped, not a bad part.

✓Fact-checked. Built from OLP's spec database, then independently fact-checked line by line with every correction applied. Master-tech sign-off by Chris Hackleman is queued. Cross-check torque values against the factory manual, and stop if anything looks unsafe. How our data is made.

Remove and replace the climate control module (HVAC control head) located in the center dashboard of the 2008 Dodge Viper, including dashboard trim removal and electrical connector service.

Warnings

⚠Disconnect the negative battery terminal and wait 2 minutes before beginning work to allow airbag system capacitors to discharge.

ℹ️The climate control module retains HVAC system settings; after replacement, recalibrate temperature blend doors by cycling ignition on, setting controls to full cold, then full hot, then desired position.

⚠Dashboard trim panels on the Viper are close-tolerance components; use proper trim tools to avoid cracking painted or carbon fiber surfaces.

Tools required

Trim panel removal tool setEssential

10mm socket and ratchetEssential

7mm socket and ratchet

Torx T20 driver

Flashlight or inspection lightEssential

Electrical contact cleaner

Dielectric grease

As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Parts

Climate control module (HVAC control head) × 1 — Mopar 55111422AA or equivalent

As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Preparation

Park vehicle on level surface and engage parking brake
Disconnect negative battery terminal and wait 2 minutes for airbag system discharge
Allow interior to reach comfortable working temperature (avoid extreme heat or cold that may make trim brittle)
Photograph climate control module connector orientation and settings before removal for reference

Procedure

1
Remove center stack lower trim bezel
Using trim panel tools, carefully pry the lower center stack trim bezel starting from the bottom edge near the console. Work upward around the perimeter to release the retaining clips. The bezel surrounds the climate control module and radio. Pull gently outward once all clips are released and set aside in a safe location to avoid scratching. Note: Dashboard trim panels on the Viper are close-tolerance components; use proper trim tools to avoid cracking the molded plastic surfaces.
2
Remove radio unit
Locate and remove the screws securing the radio unit to the dashboard structure (verify count and fastener type against service manual; often Torx T20 on this platform). Pull the radio forward approximately 2-3 inches to access the antenna cable and electrical connectors on the rear. Disconnect the antenna lead by pulling straight back, then release the harness connector locking tabs and disconnect all electrical connections. Remove radio and set aside.
3
Access climate control module fasteners
With the radio removed, you now have access to the climate control module mounting area. Locate the mounting screws securing the climate control module to the dashboard bracket. There are typically 2-4 screws depending on configuration that secure the module from behind the radio cavity.
4
Remove climate control module mounting screws
Remove the mounting screws (verify count and fastener type against service manual) securing the climate control module to the dashboard bracket using the appropriate driver. Support the module with one hand as you remove the final fastener to prevent it from falling.
5
Withdraw climate control module
Carefully pull the climate control module forward out of the dashboard opening approximately 3-4 inches. Angle the module as needed to clear the surrounding dashboard structure. Do not pull excessively on the wiring harnesses.
6
Disconnect electrical connectors
Locate the electrical connectors on the rear of the climate control module. There will be a primary multi-pin connector (typically gray or black) and possibly a secondary connector for illumination or accessory functions. Depress the locking tab on each connector while pulling straight back to disconnect. Note the orientation and routing of each connector for reinstallation.
7
Remove vacuum line connections (if equipped)
The 2008 Viper uses electric actuators/servo motors for HVAC door control; there are no vacuum lines connected to the climate control module. Skip this step.
8
Inspect connectors and clean contacts
With the old module removed, inspect all electrical connector terminals for corrosion, bent pins, or damage. Use electrical contact cleaner on a lint-free cloth to clean connector contacts if any corrosion is present. Inspect the dashboard wiring harness connectors as well and clean as needed.
9
Prepare new climate control module
Remove the new climate control module from packaging. Compare it to the old unit to verify correct match of connectors, mounting points, and control layout. Apply a thin coat of dielectric grease to the connector terminals on the new module to protect against future corrosion.
10
Connect electrical and vacuum connections
Position the new climate control module near the dashboard opening and connect all electrical connectors, ensuring each locks with an audible click. If equipped, reconnect vacuum lines to their original positions matching color codes. Verify all connections are secure before proceeding.
11
Install climate control module
Carefully guide the climate control module into the dashboard opening, routing all wiring and vacuum lines to avoid pinching. Align the module with the mounting bracket holes. Install the 4 mounting screws and tighten by hand initially, then snug evenly with a 7mm socket. Do not overtighten as the mounting points are plastic or thin metal.
12
Reinstall radio unit
Reconnect all electrical connectors and antenna lead to the radio unit. Slide the radio back into the dashboard opening and align with mounting holes. Install the 4 radio mounting screws and tighten securely but do not overtorque.
13
Reinstall center stack trim bezel
Position the center stack trim bezel over the radio and climate control module. Align all mounting clips with their receptacles in the dashboard. Starting at the top, press firmly around the perimeter to seat all retaining clips until the bezel is flush with the surrounding dashboard surface.

Reassembly

Reconnect the negative battery terminal
Start the vehicle and verify climate control module illumination and function
Test all HVAC modes (defrost, floor, vent, bi-level) and fan speeds to confirm proper operation
Perform blend door recalibration procedure: turn ignition on, set temperature to full cold and wait 10 seconds, set to full hot and wait 10 seconds, then set to desired temperature

Verification

Verify all climate control buttons, knobs, and displays function correctly
Test all fan speed settings from low to high
Confirm air flows from correct vents in each mode (defrost, panel, floor, bi-level)
Verify temperature adjustment produces appropriate temperature change at vents
Check that recirculation mode functions if equipped
Confirm A/C compressor engages when A/C button is pressed (if engine is running)
Verify all trim panels are secure with no rattles or gaps