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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 >> U1509-Implausible Engine Variant Message Data Length Received >> Set Condition:
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Set Condition:

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

When the TCM detects an incorrect CAN ID from the ECM/PCM.

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