Buick Regal 2018-2026 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
READ NEXT:
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
SEE MORE:
Special Tools and Equipment
SPECIAL TOOLS (DIAGNOSTIC TOOLS)
CH-34730-2C
J-34730-2C
Injector Test Lamp
CH-37287-1A
Fuel Pressure Gauge
Adapter 3/8"
CH-38641-B
J-38641-B
Diesel Fuel Quality
Tester
CH-39021-301
J-39021-301
Fuel Injector Harness
Adapter
CH-39021-460
J-39021-460
Fuel Injector Test
Adapter
CH-41415-30
GE-41415
Steering Wheel Controls
The infotainment system can be
operated by using the steering
wheel controls. See "Steering Wheel
Controls" in the infotainment
manual.
Cruise Control
: Press to turn cruise control
on
or off. A white indicator comes on in
the instrument cluster.
RES+ : If there is a set speed in
memory, press t
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