Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 GMC Canyon 4WD L4-2.9LFACTORY OEM SERVICE PROCEDURE
Engine Control Module (ECM) X3
Harness Routing Views
Engine Harness Routing 1 of 2 (LLV)
1 - Engine Control Module (ECM) X2
2 - Engine Control Module (ECM) X3
3 - Throttle Body Connector
4 - Manifold Absolute Pressure (MAP) Sensor Connector
5 - Evaporative Emission (EVAP) Canister Purge Solenoid Connector
6 - Knock Sensor (KS) Connector
7 - Generator Connector
8 - Crankshaft Position (CKP) Sensor Connector
9 - X105 (NP1)
10 - Fuse Block - Underhood X2
11 - A/C Compressor Clutch Connector
12 - G101
13 - G103
14 - G102
15 - Engine Oil Pressure (EOP) Sensor Connector
16 - Camshaft Position (CMP) Sensor Connector
17 - X100 (NP1)
18 - Camshaft Position (CMP) Actuator Solenoid - Bank 1 Exhaust Connector
19 - Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor Connector
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.