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Home >> Jeep >> 2016 >> Wrangler Rubicon, Standard Trans >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> (Transmission Control Module (TCM) - Electrical Diagnostics) >> Standard Procedure >> Nag1 Transmission Verification Test >> Road Test Procedure

Road Test Procedure

  1. Road test the vehicle. Make fifteen to twenty 1-2, 2-3, 3-4, and 4-5 upshifts.
  2. Perform these shifts from a standing start to 72 Km/h (45 mph) with a constant throttle opening of 20 to 25 degrees.
  3. With speeds below 40 Km/h (25 mph), make five to eight wide open throttle kickdowns to 1st gear. Allow at least five seconds each in 2nd and 3rd gear between each kickdown.
  4. With the scan tool, read DTCs.

    Did any DTCs set?

    Yes 

    • Refer to the DTC INDEX article and perform the appropriate symptom(s).

    No 

    • Testing is complete.
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