2003 Mitsubishi Montero XLSFACTORY OEM SERVICE PROCEDURE

DTC P0606: Powertrain Control Module Main Processor Malfunction: Notes

NOTE: To locate components, see COMPONENT LOCATIONSΒ . For circuit reference, see WIRING DIAGRAMSΒ . For connector terminal identification, see CONNECTOR IDENTIFICATIONΒ 
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.

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