Buick Regal 2018-2025 Service Manual / Accessories and Equipment / Cruise Control System / Diagnostic Information and Procedures
Buick Regal: Diagnostic Information and Procedures
- DTC B3623, B3794, P0564, P0565, P0567, P0568, P056C, P0580, P0581, P0589, P0592, P0593, P155A-P155C, or P162C
- DTC P0571
- DTC P0572 or P0573
- DTC P0575
- DTC P0703
- DTC P1553
- DTC P158A
- Symptoms - Cruise Control
- Cruise Control Malfunction
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DTC B3623, B3794, P0564, P0565, P0567, P0568, P056C, P0580, P0581, P0589,
P0592, P0593,
P155A-P155C, or P162C
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Diagnostic
System Check - Vehicle
Review the description of Strategy Based Diagnosis: Strate
DTC P0571
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure:Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosis:Strategy
DTC P0572 or P0573
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Diagnostic
System Check - Vehicle
Review the description of Strategy Based Diagnosis:Strateg
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Instrument Panel Airbag Replacement
WARNING:
Refer to SIR Inflator Module Handling and Storage Warning.
WARNING:
Refer to SIR Warning.
Preliminary Procedures
1. Disable the SIR system. Refer to SIR Disabling and Enabling.
2. Refer to Instrument Panel Assembly Replacement.
Instrument Panel Airbag
Procedure
Refer to Inflatabl
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