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Home >> Jeep >> 2012 >> Wrangler Rubicon, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transmission Control Module (TCM) - Electrical Diagnostics >> DTC Troubleshooting >> P1633-TCM Internal - Test External Watchdog Performance >> Set Condition:

July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Set Condition:

If the TCM detects an error with the controllers external watchdog - failed the power up test.

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