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Home >> Jeep >> 2015 >> Grand Cherokee SRT >> Repair and Diagnosis >> Engine Performance >> System >> 6.4L - Intermittent Condition, Pcm/ECM Reprogramming - Gas, Powertrain Verification Test & Pre-Diagnostic Troubleshooting Procedure >> Standard Procedure >> Pcm/ECM Reprogramming - Gas >> Diagnostic Test

Diagnostic Test

If an NGC3 or NGC4 PCM was replaced, perform the following additional steps and/or routines: 

  1. PCM Replaced (if equipped with WCM)
  2. Learn ETC (if equipped with ETC)
  3. Check PCM VIN (if NOT equipped with WCM)
  4. Check PCM Odometer
  5. Quicklearn (if equipped with EATX)


  1. If the vehicle is equipped with a CVT, verify that the TCM has the latest software calibration available.
  2. PCM Replaced (if equipped with WCM)
  3. Learn ETC
  4. Check PCM Odometer
  5. Check PCM VIN (if NOT equipped with WCM)
  6. TCM Quicklearn (if equipped with EATX)


If a CVT TCM was replaced, perform the following additional steps and/or routines: 

  1. Initialize CVT


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

  1. Initialize EGS
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