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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 909 (Trailer Brake Control System) >> Diagnostic Information and Procedures >> DTC C0870 >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

If there are any DTCs set for GMLAN communication such as U0100, U0121, U0140, or U2099 or the antilock brake control system, diagnose them first before to resolve DTCs described in this section.

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