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Home › Chrysler › 2013 › 300 SRT-8 Core › Repair and Diagnosis › Transmission › Transmission Control Systems › Transmission Control Module (TCM) - Electrical Diagnostics - Nag1 Automatic Transmission › DTC Troubleshooting › P1644-Incorrect Variant/Configuration › Set Condition

Set Condition

If the TCM detects that the variables that dictate the vehicle application are not present.

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