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)
2023 Jeep Compass RedSECTION Powertrain Control Module (Pcm)
POWERTRAIN CONTROL MODULE (PCM)
| Refer to COMPONENT INDEX . |
The PCM:
- Receives input from the hood ajar switch #2 indicating the status of the hood (open or closed).
- Turns on the high side of the PCM starter relay
- Turns the crank hold signal to true enabling the BCM to turn on the low side of the starter relay
- Disables double start over ride once the engine is started
RENDER: 1.0x
NO RELATED
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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.