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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1635 (Body Control System) >> Diagnostic Information and Procedures >> DTC U2106: Loss Of COMMUNICATON Between ECM And FICM Or TCM >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The CAN message from the TCM is not received by the ECM for 45 milliseconds

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