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Relay Control Module

Critical For Operation

Wiring/Fuses/Relays

Controls the operation of multiple electrical systems in the vehicle.

The relay control module manages the operation of various electrical systems, such as lighting, HVAC, or engine components, by controlling the power supply and timing of relays to ensure efficient system operation.

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Typical part cost
$100–$300🔒
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Typical labor cost
$150–$400🔒
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Typically lasts
100,000–200,000 mi
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Or about
7.0–10.0 years
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DIY difficulty
5/10

⚠️ Owners Often Notice

If the Relay Control Module is starting to fail, these are the signs owners most commonly report before it gets worse:

Electrical components not working
Check engine light
Electrical issues

Related Services

Services commonly performed on or around this part.

Replace Relay Control Module

No standard interval on file

Inspect Relay Control Module

No standard interval on file

Test Relay Control Module

No standard interval on file