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What is Troubleshooting U1407 ACC Communication about?

This document provides troubleshooting steps for a fault code related to adaptive cruise control speed data errors. It describes possible causes as a fault with the cabin ECU and provides a 9 step process to systematically check the connectors, wiring, software updates, and individual components to isolate the issue. The steps include checking for active codes, verifying campaigns are complete, and determining if warming the truck resolves the fault code.

Author

Oscar De la fuente

Language

EN