Buick Regal: Antilock Brake System

 DTC P0645, P0646, or P0647

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

 HVAC - Automatic

SPECIFICATIONS FASTENER TIGHTENING TORQUE SPECIFICATIONS Reusable Threaded Fastener Tightening Specifications NOTE: All fasteners listed in this table can be reused after removal. SCHEMATIC WIRING DIAGRAMS HVAC WIRING SCHEMATICS HVAC Module Power, Ground, Serial Data, and Subsystem References HVAC