2021 Jeep Cherokee Altitude, 4WDFACTORY OEM SERVICE PROCEDURE

Ignition Node Module

The IGNM incorporates an integral ignition switch that consists of four rotary positions with three detent positions and one spring-loaded position. The one extreme clockwise position is a spring-loaded momentary contact "START"Β  position. When released from the "START"Β  position, the switch will automatically return to the detent "RUN"Β  position. The other position includes a detent "ACCESSORY"Β  position and a detent "OFF"Β  position.

Factory Service Tools

Use the Manual With the Right Hardware

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

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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.