Buick Regal 2018-2026 Service Manual / Transmission / Automatic Transmission - Aisin AF50-8 (MRC) / Diagnostic Information and Procedures
Buick Regal: Diagnostic Information and Procedures
- DTC P0218
- DTC P0601, P0602, P0603, or P0604
- DTC P0606, P177F, P2637, or P2638
- DTC P0705, P0707, P0708, or P0851
- DTC P0711-P0713
- DTC P0717, P07BF, or P07C0
- DTC P0722, P077C, or P077D
- DTC P0729-P0735, P076F, or P07D9
- DTC P0741 or P0742
- DTC P0748, P0962, or P0963
- DTC P0776, P07A2, or P2719
- DTC P0778, P0966, or P0967
- DTC P0798, P0970, or P0971
- DTC P0815, P0816, or P0826
- DTC P0973 or P0974
- DTC P0976 or P0977
- DTC P170A-P170E
- DTC P175F
- DTC P2716, P2720, or P2721
- DTC P2725, P2729, or P2730
- DTC P2734, P2738, or P2739
- DTC P2761, P2763, or P2764
- DTC P2808
- DTC P2814 or P2815
- Symptoms - Automatic Transmission
- Line Pressure Check
- Fluid Leak Diagnosis
- Harsh Garage Shift
READ NEXT:
DTC P0218
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Refer to Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosi
DTC P0601, P0602, P0603, or P0604
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Refer to Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosi
DTC P0606, P177F, P2637, or P2638
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Refer to Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosi
SEE MORE:
Symptoms - Tire Pressure Monitoring
1. Perform the Diagnostic System Check - Vehicle, before using the Symptom
Tables in order to verify that all
of the following are true:
The control modules can communicate via the serial data link.
If one of the current or previous sensor learn is not successful.
If there are dashes displayed
DTC B3984
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 Descriptor
DT
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