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.
Powertrain Control Module (Pcm)
| Refer to COMPONENT INDEX . |
The PCM is located on the forward left side of the engine compartment.
Inputs
- The PCM receives an ignition start request from the BCM.
- The PCM receives a SKIS authentication challenge response from the BCM.
Outputs
- Sends a SKIS authentication challenge to the BCM.
- Sends an SKIS authentication challenge failure to the BCM if the SKIS authentication challenge fails.
- Provides ignition relay activation to start the engine.
Use the Manual With the Right Hardware
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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.
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