Buick Regal Owners & Service Manuals
Buick Regal 2018-2025 Service Manual / Accessories and Equipment / Mirrors / Diagnostic Information and Procedures

Buick Regal: Diagnostic Information and Procedures

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 DTC B154A or B154B

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

 Symptoms - Mirrors

NOTE: The following steps must be completed before using the symptom tables. 1. Perform the Diagnostic System Check - Vehicle before using the Symptom Tables in order to verify that all of the follo

 Automatic Day-Night Mirrors Malfunction

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 Diagn

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 DTC P0324, P0326, P0331, P06B6, or P06B7

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. Diagnostic Procedure Instructions provides an overview of each diagnostic category. DTC Descriptors D

 Turbocharger Coolant Feed Pipe Replacement

Special Tools BO-38185 Hose Clamp Pliers For equivalent regional tools, refer to Special Tools. Removal Procedure 1. Drain the cooling system. 2. Warm Up Three-Way Catalytic Converter Replacement (2.0L LTG) - Remove. 3. Turbocharger Coolant Feed Pipe Hollow Screw (1) - Remove. 4. Remove and DISC

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