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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Cellular, Entertainment, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1025, B1035, B1045, or B1055 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Left Front Speaker Output (+) B1025 02* B1025 04** B1025 01* -
Left Front Speaker Output (-) B1025 02* B1025 04** B1025 01* -
Right Front Speaker Output (+) B1035 02* B1035 04** B1035 01* -
Right Front Speaker Output (-) B1035 02* B1035 04** B1035 01* -
Left Rear Speaker Output (+) B1045 02* B1045 04** B1045 01* -
Left Rear Speaker Output (-) B1045 02* B1045 04** B1045 01* -
Right Rear Speaker Output (+) B1055 02* B1055 04** B1055 01* -
Right Rear Speaker Output (-) B1055 02* B1055 04** B1055 01* -
* Noticeable audio distortion possible
** No or reduced sound from speaker
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