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Home >> Jeep >> 2012 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 ((Transmission Control Module (TCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> U1601-Ecu Application Software Code 1 Missing Or Corrupted >> Set Condition
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Set Condition

WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.

When the Transmission Control Module (TCM) detects that its software has been corrupted or is missing.

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