Buick Regal 2018-2026 Service Manual / HVAC & Restraints / Seat Belts / Diagnostic Information and Procedures
Buick Regal: Diagnostic Information and Procedures
READ NEXT:
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
SEE MORE:
DTC P0121-P0123, P0222, P0223, P16A0-P16A2, or P2135
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
Positive Crankcase Ventilation Valve Replacement
Preliminary Proced80ure
Intake Manifold Cover Replacement.
NOTE: Inspect each component while attached to the camshaft cover.
Do not remove the PCV
components unless inspection indicates a suspect component. Replace the PCV
valve, PCV
tube assembly, and PCV hose fitting as an assembly. The connec
© 2019-2026 Copyright www.buregal6.com
