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HOMESERVICE MANUALSJEEP2013WRANGLER SPORT, AUTOMATIC TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 165 (ELECTRONIC CONTROL MODULES (SERVICE INFORMATION))MODULE, POWERTRAIN CONTROLREMOVALDIESEL
2013 Jeep Wrangler Sport, Automatic Trans

Module, Powertrain Control: Removal: Diesel

2013 Jeep Wrangler Sport, Automatic TransSECTION Diesel
WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

USE THE SCAN TOOL TO REPROGRAM THE NEW POWERTRAIN CONTROL MODULE (PCM) WITH THE VEHICLES ORIGINAL IDENTIFICATION NUMBER (VIN) AND THE VEHICLES ORIGINAL MILEAGE. IF THIS STEP IS NOT DONE, A DIAGNOSTIC TROUBLE CODE (DTC) MAY BE SET.

To avoid possible voltage spike damage to PCM, ignition key must be off, and the negative battery cable must be disconnected before unplugging the PCM connectors.

  1. Disconnect the negative battery cable.
  2. Remove the engine cover.
  3. Remove and position aside the glow plug module from PCM bracket.
  4. Remove and position aside the differential pressure sensor from PCM bracket.
    Fig 1: Wire Harness
    GC0147979Courtesy of CHRYSLER GROUP, LLC
  5. Remove wire harness (1 and 2) from PCM bracket.
    Fig 2: Two PCM Harness Connectors
    GC0147977Courtesy of CHRYSLER GROUP, LLC
  6. Unlock and disconnect the two PCM harness connectors (1) at the PCM (2).
    Fig 3: Lower Bolt & PCM Bracket
    GC0147976Courtesy of CHRYSLER GROUP, LLC
  7. Remove lower bolt (1) securing the PCM bracket (2) to shock tower.
    Fig 4: Nut & Bracket
    GC0147975Courtesy of CHRYSLER GROUP, LLC
  8. Remove nut (1) and the PCM with bracket (2) from shock tower.
    Fig 5: Nut, PCM & Bracket
    GC0147978Courtesy of CHRYSLER GROUP, LLC
  9. Remove the nut (2), three bolts (3) and the PCM (4) from bracket (1).
RENDER: 1.0x

NO RELATED

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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.