Buick Regal Owners & Service Manuals

Buick Regal: Diagnostic Information and Procedures

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 DTC B370A

Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diag

 DTC B370B

Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diag

 DTC B3715 or B3875

Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diag

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 Dual Automatic Climate Control System

The climate control buttons on the center stack and on the climate control display are used to adjust the heating, cooling, and ventilation. Center Stack Climate Controls Driver and Passenger Temperature Displays Driver and Passenger Temperature Controls Driver and Passenger Heated and Venti

 DTC P0741 or P0742

Diagnostic Instructions Perform the Diagnostic System Check prior to using this diagnostic procedure: Refer to Diagnostic System Check - Vehicle Review the description of Strategy Based Diagnosis:Strategy Based Diagnosis An overview of each diagnostic category can be found here: Refer to

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