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Conditions for Setting the DTC

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.

DTC B1025 01, B1035 01, B1045 01, B1065 01, B1075 01, B1085 01 

A short to voltage is detected on the specified (+) or (-) signal circuit

DTC B1025 02, B1035 02, B1045 02, B1065 02, B1075 02, B1085 02 

A short to ground is detected on the specified (+) or (-) signal circuit

DTC B1025 04, B1035 04, B1045 04, B1065 04, B1075 04, B1085 04 

An open is detected on the specified (+) or (-) signal circuit

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