Buick Regal 2018-2026 Service Manual / Engine / Engine Controls and Fuel - 2.0L (LTG) / Diagnostic Information and Procedures
Buick Regal: Diagnostic Information and Procedures
- DTC P0010, P0013, or P2088-P2091
- DTC P0011 or P0014
- DTC P0016 or P0017
- DTC P0030-P0032, P0036-P0038, P0054, P0135, P0141, P103B, or P103C
- DTC P0033-P0035
- DTC P0068 or P1101
- DTC P0089, P00C6, P053F, P228C, or P228D
- DTC P0090-P0092, P00C8, P00C9, or P00CA
- DTC P0096 or P0111
- DTC P0097, P0098, or P0099
- DTC P00C7 (LTG)
- DTC P00E9
- DTC P00EA-P00EC
- DTC P00F4-P00F6
- DTC P0101
- DTC P0102 or P0103
- DTC P0106
- DTC P0107 or P0108
- DTC P0112, P0113, or P0114
- DTC P0117, P0118, or P0119
- DTC P0121-P0123, P0222, P0223, P16A0-P16A2, or P2135
- DTC P0128
- DTC P0131, P0132, P015A, P015B, P223C, or P223E
- DTC P0137, P0138, P013A, P013B, P013E, P013F, P2270, or P2271
- DTC P0171 or P0172
- DTC P018B-P018D
- DTC P0191 or P0192
- DTC P0201-P0204, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P1248, P1249, P124A, P124B, P2147, P2148, P2150, P2151, P2153, P2154, P2156, or P2157
- DTC P0231, P0232, or P023F
- DTC P0234 or P0299
- DTC P0236
- DTC P0237 or P0238
- DTC P0243, P0245, or P0246
- DTC P0300-P0304
- DTC P0324, P0326, P0331, P06B6, or P06B7
- DTC P0325, P0327, P0328, P0330, P0332, or P0333
- DTC P0335 or P0336
- DTC P0340, P0341, P0365, or P0366
- DTC P0351-P0354, P2300, P2301, P2303, P2304, P2306, P2307, P2309, or P2310
- DTC P0420
- DTC P0443, P0458, or P0459
- DTC P0446
- DTC P0449, P0498, or P0499
- DTC P0455
- DTC P0496
- DTC P0506 or P0507
- DTC P050D
- DTC P057B-P057E
- DTC P05CC or P05CE
- DTC P0601-P0604, P0606, P062B, P062F, P0630, P064D, P16F3, or P262B
- DTC P0627-P0629
- DTC P0641, P0651, P0697, P06A3, or P06D2
- DTC P0650, P263A, or P263B
- DTC P0685-P0687, P0689, P0690, or P1682
- DTC P0700
- DTC C1201, P1000, P1001, P1003, P1008, P1009, P100A, P100E, P103D, P103E, P10B6-P10B9, P10BF, P10C6-P10C8, P10F5, P1100, P1103, P117A, P11FF, P1200, P128C-P128F, P129E, P12A8, P130F, P135C-P135F, P1
- DTC P1007 or P129D
- DTC P111E
- DTC P1176 or P1177
- DTC P127C, P128A, P128B, P16E4, or P16E5
- DTC P12A6
- DTC P1400
- DTC P1516, P2101, P2119, or P2176
- DTC P157A
- DTC P163A
- DTC P16A7, P16AF, or P16B3
- DTC P16D7-P16D9
- DTC P2096 or P2097
- DTC P2122, P2123, P2127, P2128, or P2138
- DTC P2199
- DTC P219A
- DTC P2227-P2230
- DTC P2261
- DTC P2635 or P2BB3
- Symptoms - Engine Controls
- Malfunction Indicator Lamp (MIL) Diagnosis
- Engine Cranks But Does Not Run
- Fuel System Diagnosis
- Fuel Leak Diagnosis
- Fuel Injector Diagnosis
- Fuel Injector Circuit Diagnosis
- Alcohol/Contaminants-In-Fuel Diagnosis
- Evaporative Emission System Diagnosis
- Electronic Ignition System Diagnosis
- Inspection/Maintenance System Check
- Inspection/Maintenance Complete System Set Procedure
READ NEXT:
DTC P0010, P0013, or P2088-P2091
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 P0011 or P0014
Diagnostic Instructions
Perform the Diagnostic System Check Instructions prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
D
DTC P0016 or P0017
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:
DTC C0545
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 Based
Diagnosis
An overview of each diagnostic category can be found here:Diagnostic
Procedure
Power Transfer Unit Case Assemble
Power Transfer Unit Idler Gear Shaft Tube and O-ring, Input Shaft Bearing
Race and Shim, and Idler Gear Shaft Bearing
Race and Shim Installation
Power Transfer Unit Idler Gear Shaft Access Tube O-ring- Rear
Power Transfer Unit Idler Shaft Tube
Procedure
The tube orientation for assembly. In
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