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

Section 2 - Additional Pcm / TCM Replacement Procedures

NOTE: Find the PCM/TCM Type for the vehicle, read and write down the steps, and then go to the step by step instructions for additional information on how to perform these procedures.  STEP-BY-STEP INSTRUCTIONS  

If an EDC16-U31 PCM was replaced, perform the following additional steps and/or routines: 

  1. PCM Replaced - if WCM equipped
  2. Check PCM VIN - if NOT WCM equipped
  3. Program Variant Code

If an EDC16-C2 PCM was replaced, perform the following additional steps and/or routines: 

  1. PCM Replaced - if WCM equipped
  2. Check PCM VIN - if NOT WCM / SKREEM equipped
  3. IMA Rapid Calibration Test - Only on 06 PT AND up
  4. Injector Quantity Adjustment - Only on 06 PT AND up

If an EDC16-CP31 was replaced, perform the following additional steps and/or routines: 

  1. PCM Replaced - if WCM equipped
  2. Check PCM VIN - if NOT WCM equipped
  3. Diesel Particulate Filter (Used) Learning
  4. NOx Catalyst (New) Initialization
  5. Injector Quantity Adjustment
  6. IMA Rapid Calibration Test
  7. Fuel Mean Value Adaptation Initialization
  8. Exhaust Throttle Plate Adaptive Learn Position

If an EDC16-CP31-2 was replaced, perform the following additional steps and/or routines: 

  1. PCM Replaced - if WCM equipped
  2. Check PCM VIN - if NOT WCM equipped
  3. Injector Quantity Adjustment
  4. Program Variant Code
  5. ECU Replacement With Value Transfer - if the ECU to be replaced is still responsive
  6. ECU Replacement Without Value Transfer - if the ECU to be replaced is NOT responsive
  7. Fuel Mean Value Adaptation Initialization
  8. IMA Rapid Calibration Test
  9. Set Oil Dilution Mass Value

If a CM849 PCM was replaced, perform the following additional steps and/or routines: 

  1. PCM Replaced - if WCM equipped
  2. Check PCM VIN - if NOT WCM equipped

If a CM2100 PCM was replaced, perform the following additional steps and/or routines: 

  1. PCM Replaced - if WCM equipped
  2. Check PCM VIN - if NOT WCM equipped
  3. Enable / Disable Vehicle Features - need to enable features
  4. Injector Quantity Adjustment
  5. Reset Regenerative Filter Timers
  6. Mobile DeSoot - NO Minimum Required Soot Load

If an Aisin TCM was replaced, perform the following additional steps and/or routines: 

  1. Quicklearn

If an EGS TCM was replaced, perform the following additional steps and/or routines: 

  1. Initialize EGS

If an NGC4 TCM ONLY was replaced, perform the following additional steps and/or routines: 

  1. Quicklearn

If an NGC3 TCM ONLY was replaced, perform the following additional steps and/or routines: 

  1. Quicklearn

If an EATX TCM was replaced, perform the following additional steps and/or routines: 

  1. Quicklearn
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:

  • • 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.

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