Buick Regal Owners & Service Manuals
Buick Regal 2018-2024 Service Manual / HVAC & Restraints / Seat Belts / Diagnostic Information and Procedures

Buick Regal: Diagnostic Information and Procedures

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 DTC B0072 or B0073

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 B0075-B0077

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 - Seat Belts

NOTE: Review the seat belt system description and operation in order to familiarize yourself with the system and how it functions. Visual/Physical Inspection Inspect for aftermarket devices which co

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 Repair Instructions

BODY WATERLEAK REPAIR WARNING: If the vehicle interior is exposed to moisture and becomes soaked up to the level of the sensing and diagnostic module (SDM), the SDM and SDM harness connector must be replaced. The SDM could be activated when powered, which could cause airbag deployment and result i

 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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