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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 546 (Anti-Lock Brake System) >> Diagnostic Information And Procedures >> DTC C1255: EBTCM Internal Malfunction (Abs/TCS/ICCS Disabled); C1256: EBTCM Internal Malfunction >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

The scan tool displays 2 additional characters after the DTC. Take note of the 2 character code and any other DTCs that are set. The 2 character code is an engineering aid used in order to determine the cause of the internal malfunction.