2012 GMC Canyon 2WD L5-3.7LFACTORY OEM SERVICE PROCEDURE

HVAC Control Module X2




Harness Routing Views

Instrument Panel Harness Routing

Factory service manual diagram



1 - Accessory Switch X2
2 - Hazard Switch
3 - Accessory Switch X1
4 - Inflatable Restraint Relay
5 - Digital Radio Receiver (U2K)
6 - Inflatable Restraint I/P Module
7 - Ambient Light Sensor
8 - Vehicle Communication Interface Module (VCIM) (UE1)
9 - Courtesy Lamp - Footwell Right
10 - X201 (I/P Harness to Body Harness)
11 - Body Control Module (BCM) X2
12 - HVAC Control Module X1
13 - Auxiliary Power Outlet 2
14 - Auxiliary Power Outlet 1
15 - HVAC Control Module X2
16 - Courtesy Lamp - Footwell Left
17 - X204 (Steering Column Harness to I/P Harness)
18 - Data Link Connector (DLC)
19 - X208 (I/P Harness to Body Harness)
20 - X200 (I/P Harness to Body Harness)
21 - Headlamp and Panel Dimmer Switch
22 - Instrument Panel Cluster (IPC)
23 - Radio X1
24 - Radio X2
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.