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Home › Chrysler › 2011 › 300 Base, Gas/Ethanol › Repair and Diagnosis › Transmission › Transmission Control Systems › (Transmission Control Module (TCM) - Electrical Diagnostics) › DTC Troubleshooting › P1636-TCM Internal- External Watchdog Performance › Set Condition:

Set Condition:

If the TCM watch dog circuitry external to the microprocessor detects an error.

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