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Home >> Jeep >> 2012 >> Wrangler Rubicon, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P1633-TCM Internal - Test External Watchdog Performance >> Set Condition:

Set Condition:

WARNING: This page is about a different variant/trim than selected.

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

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