Buick Regal Owners & Service Manuals

Buick Regal: Diagnostic Information and Procedures

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 DTC C0000

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 C0575, C0580, C0585, or C0590

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 C0615, C0620, or C0625

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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 No Global Positioning System (GPS) Reception (IO5/IO6 without UE1)

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. Refer to Diagnostic Procedure Instructions for an overview of each diagnostic category. DTC Descripto

 Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection

Removal Procedure 1. Pull the plastic cap(1) back from the quick connect fitting (2)and down along the cooler pipe enough to expose the transmission fluid cooler pipe fitting retainer. 2. Using a small flat bladed tool, small pick or other suitable tool, lift one of the open ends of the retaini

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