2021 Jeep Grand Cherokee TrackhawkFACTORY OEM SERVICE PROCEDURE

Diagnostic Test

CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)Β 

  1. Turn the ignition on.
  2. Press the Rear Washer Switch twice.
  3. With the scan tool, read DTCs.

    Does the scan tool display this DTC as active?

    YesΒ 

    NoΒ 

    • Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
    • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
Factory Service Tools

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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.