Buick Regal 2018-2025 Service Manual / Engine / Engine Cooling / Diagnostic Information and Procedures
Buick Regal: Diagnostic Information and Procedures
- DTC P0480, P0481, P0691, P0692, P0693, or P0694 (LTG)
- DTC P0480, P0481, P0691, P0692, P0693, or P0694 (LGX)
- DTC P1258
- Symptoms - Engine Cooling
- Cooling Fan Always On (Dual Fan)
- Cooling Fan Always On (Single Fan)
- Cooling Fan Inoperative (LGX)
- Cooling Fan Inoperative (LTG)
- Pressure Cap Testing
- Cooling System Leak Testing (Pressure Test)
READ NEXT:
DTC P0480, P0481, P0691, P0692, P0693, or P0694 (LTG)
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 P0480, P0481, P0691, P0692, P0693, or P0694 (LGX)
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 P1258
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
SEE MORE:
Description and Operation
ABS DESCRIPTION AND OPERATION
B22 - B22 Brake Pedal Position Sensor
S48E - S48E Multifunction Switch - Center Console
P16 - P16 Instrument Cluster
K9 - K9 Body Control Module
K20 - K20 Engine Control Module
K71 - K71 Transmission Control Module
K17 - K17 Electronic Brake Control Module
Q5 - Q5 Brak
Range Selector Lever Cable Replacement
Removal Procedure
1. Battery Tray - Remove - Refer to Battery Tray Replacement.
2.
Range Selector Lever Cable (4) @Range Selector Lever Cable Lever (3) -
Remove.
3. Range Selector Lever Cable@Transmission Range Selector Lever Cable Bracket
(2) - Remove.
Push (arrows) the 2 latches of the retai
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