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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 683 (Anti-Lock Brake System) >> Diagnostic Information & Procedures >> DTC C0279: Powertrain Configuration Not Valid >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The PCM sends engine/axle/tire IDs to the EBCM via serial data communications immediately after the modules are powered up.

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