2009 Jeep Patriot Limited, EDG, Automatic CVTFACTORY OEM SERVICE PROCEDURE

Diagnostic Test

  1. DETERMINING IF DIAGNOSTIC TROUBLE CODE (DTC) IS CURRENT 
    NOTE: Diagnose any related Powertrain DTCs before continuing.
    1. With a scan tool, read and record DTCs.
    2. With the scan tool, clear DTCs.
    3. Perform 5 ignition cycles, leaving the ignition switch on for a minimum of 90 seconds per cycle.
    4. Using the scan tool, read DTCs.

      Does the DTC reset?

      Yes 

      • Go to step  3

      No 

      • Go to step  2
  2. INTERMITTENT CONDITION 
    NOTE: Check for any of the follow conditions:
    • Poor wire to terminal connection
    • Corroded terminals
    • Backed out or loose terminals
    • Broken wire internal to the insulation
    • Dirty (partial) module ground
    1. With the ignition on, wiggle the related wires.
    2. Using a scan tool, read DTCs.

      Does the DTC reset?

      Yes 

      No 

      • DTC is not active at this time. Test complete.
  3. FUSED IGNITION SWITCH OUTPUT (RUN-START) CIRCUIT OPEN 
    Fig 1: Checking Fused Ignition Switch Output (Run-Start) Circuit
    GC0100384Courtesy of CHRYSLER LLC
Factory Service Tools

Use the Manual With the Right Hardware

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

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.