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Home › Jeep › 2011 › Liberty Renegade, Part Time › Repair and Diagnosis › Transmission › Transmission Control Systems › (Transmission Control Module (TCM) - Electrical Diagnostics) › DTC Troubleshooting › P1634-TCM Internal- Internal Watchdog Performance › Set Condition:

Set Condition:

If the TCM microprocessor internal watchdog detects an error.

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