Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 227 (HYBRID/EV ENERGY STORAGE SYSTEM)
2013 Buick Regal Turbo Premium, Standard Trans
Section 227 (Hybrid/EV Energy Storage System)
2013 Buick Regal Turbo Premium, Standard TransSECTION Section 227 (Hybrid/EV Energy Storage System)
WARNING: This page is about a different car, the 2012 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic Wiring Diagrams
- Diagnostic Information and Procedures
- High Voltage Safety
- High Voltage Disabling
- High Voltage Enabling
- Diagnostic Code Index
- DTC P0641
- DTC P0651, P0A0C, or P0A0D
- DTC P0A80
- DTC P0AA8-P0AAA
- DTC P0ABB, P0ABC, or P0ABD
- DTC P0AC1, P0AC2, P1A07, or P1EBA
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P0ADB or P0ADC
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P0AE6 or P0AE7
- DTC P0AF8
- DTC P0AFA or P0AFB
- DTC P0B3B-P0BBB, P1B16-P1B2D, P1B3D, or P1B3E
- DTC P0BBE
- DTC P0C77 or P0C78
- DTC P1A01, P1A05, P1A06, or P1A5C
- DTC P1A0C
- DTC P1A5D
- DTC P1A5E or P1A5F
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P1A60
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P1B11
- DTC P1B33-P1B39
- DTC P1B3F or P1B40
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P1E0C or P1E0D
- DTC P1E0F-P1E11
- DTC P1E12-P1E14
- DTC P1E3D
- DTC P1EAA
- DTC P1EAB
- DTC P1EAC
- Loss of Isolation in the High Voltage System
- Hybrid\EV Battery Voltage Present
- Repair Instructions
- High Voltage System Inspection
- Battery Energy Control Module Replacement
- Generator Control and Battery Module Replacement and Shipping Preparation
- Drive Motor Generator Battery Cable Replacement
- Battery Energy Control Module Wiring Harness Replacement (HV Measuring Harness 1 and 2)
- Battery Energy Control Module Wiring Harness Replacement (BDU, BECM and BPIM)
- Generator Battery Replacement
- Battery Vent Tube Replacement
- Drive Motor Battery Wire Junction Block Relay Replacement
- Battery Energy Control Module Wiring Junction Block Replacement
- Drive Motor Generator Control Module Tray Replacement
- Generator Control Module Replacement
- Generator Control Module Cover Replacement
- Generator Control Module Cable Cover Replacement
- Generator Battery Control Wiring Harness Replacement (B1 and B2 to BECM Junction Block)
- Generator Battery Control Wiring Harness Replacement (B2 to BDU1 Contactor)
- Generator Battery Fuse Replacement
- Battery Auxiliary Tray Replacement
- Clear Secured High Voltage DTCs
- Description and Operation
- Drive Motor Battery System Description
- Notes
- Hybrid/EV Battery Pack
- Hybrid/EV Battery Section 1 and Hybrid/EV Battery Section 2
- Battery Energy Control Module
- Starter/Generator Control Module
- Main Contactor, Pre-Charge Contactor, and Pre-Charge Resistor
- Hybrid/EV Battery Pack Current Sensor
- Hybrid/EV Battery Pack High Voltage Manual Disconnect Lever and Generator Battery Fuse
- High Voltage Interlock Switch
- Drive Motor Battery System Description
- Special Tools and Equipment
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.