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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 236 (DTCS P0219 To P1D93 - 8HP70 Automatic Transmission - 1500) >> Diagnosis And Testing >> P0729-Gear 6 Shift Incorrect Ratio >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK IF DTC IS CURRENT 
    NOTE:

    The Transmission Control Module stores under Environmental Data the transmission operating conditions when the DTC was set. Before clearing any DTCs, record all information pertaining to the DTC.

    1. With the scan tool, CLEAR transmission DTCs.
    2. Using the Environmental Data previously recorded, drive the vehicle and try to duplicate the condition in which the DTC set.

      Does the DTC reset?

      Yes 

      • Go To  2

      No 

      • Go To  3
  2. TRANSMISSION 

    If there are no possible causes remaining, view repair.

    Repair 

    • If the DTC returns, replace the transmission. and perform the appropriate repair for this DTC in accordance to the Service Information. Refer to REMOVAL .
    • Perform the TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  3. INTERMITTENT WIRING AND CONNECTORS 
    1. The conditions necessary to set this DTC are not present at this time.
    2. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
    3. Wiggle the wiring and connectors while checking for any possible open or shorted circuits.
    4. Check for any Service Information Tune-ups or Technical Service Bulletins that may apply.

      Were any problems found?

      Yes 

      • Repair as necessary.
      • Perform the TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Test Complete.
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