Powertrain Control Module (Pcm)

2023 Jeep Compass AltitudeSECTION Powertrain Control Module (Pcm)
POWERTRAIN CONTROL MODULE (PCM)

Refer to COMPONENT INDEXΒ .

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

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.