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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 MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 6 (HYBRID ENERGY STORAGE SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2009 Chevrolet Tahoe Base, 4.8 C
Diagnostic Code Index
2009 Chevrolet Tahoe Base, 4.8 CSECTION Diagnostic Code Index
WARNING: This page is about a different variant/trim than selected.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC P0A1F, P1A01, P1A05, or P1A06 | P0A1F: Battery Energy Control Module Internal Performance P1A01: Battery Energy Control Module Long Term Memory Performance P1A05: Battery Energy Control Module Random Access Memory (RAM) P1A06: Battery Energy Control Module Read Only Memory (ROM) |
| DTC P0A80 | P0A80: Replace Hybrid Battery Pack |
| DTC P0A95 | P0A95: High Voltage Fuse |
| DTC P0ABB, P0ABC, or P0ABD | P0ABB: Hybrid Battery Voltage Sensor Performance P0ABC: Hybrid Battery Voltage Sensor Circuit Low Voltage P0ABD: Hybrid Battery Voltage Sensor Circuit High Voltage |
| DTC P0AC0, P0AC1, P0AC2, or P1A07 | P0AC0: Hybrid Battery Current Sensor Performance P0AC1: Hybrid Battery Current Sensor Circuit Low Voltage P0AC2: Hybrid Battery Current Sensor Circuit High Voltage P1A07: Battery Energy Control Module 5-Volt Reference Circuit |
| DTC P0ADB or P0ADC | P0ADB: Hybrid Battery Positive Contactor Control Circuit Low Voltage P0ADC: Hybrid Battery Positive Contactor Control Circuit High Voltage |
| DTC P0ADF or P0AE0 | P0ADF: Hybrid Battery Negative Contactor Control Circuit Low Voltage P0AE0: Hybrid Battery Negative Contactor Control Circuit High Voltage |
| DTC P0AE7 | P0AE7: Hybrid Battery Precharge Contactor Control Circuit High Voltage |
| DTC P0B3C, P0B41, P0B46, P0B4B, P0B50, P0B55, P0B5A, P0B5F, P0B64, P0B69, P0B6E, P0B73, P0B78, P0B7D, P0B82, P0B87, P0B8C, P0B91, P0B96, or P0B9B | P0B3C: Hybrid Battery 1 Circuit Performance P0B41: Hybrid Battery 2 Circuit Performance P0B46: Hybrid Battery 3 Circuit Performance P0B4B: Hybrid Battery 4 Circuit Performance P0B50: Hybrid Battery 5 Circuit Performance P0B55: Hybrid Battery 6 Circuit Performance P0B5A: Hybrid Battery 7 Circuit Performance P0B5F: Hybrid Battery 8 Circuit Performance P0B64: Hybrid Battery 9 Circuit Performance P0B69: Hybrid Battery 10 Circuit Performance P0B6E: Hybrid Battery 11 Circuit Performance P0B73: Hybrid Battery 12 Circuit Performance P0B78: Hybrid Battery 13 Circuit Performance P0B7D: Hybrid Battery 14 Circuit Performance P0B82: Hybrid Battery 15 Circuit Performance P0B87: Hybrid Battery 16 Circuit Performance P0B8C: Hybrid Battery 17 Circuit Performance P0B91: Hybrid Battery 18 Circuit Performance P0B96: Hybrid Battery 19 Circuit Performance P0B9B: Hybrid Battery 20 Circuit Performance |
| DTC P0B3D, P0B42, P0B47, P0B4C, P0B51, P0B56, P0B5B, P0B60, P0B65, P0B6A, P0B6F, P0B74, P0B79, P0B7E, P0B83, P0B88, P0B8D, P0B92, P0B97, or P0B9C | P0B3D: Hybrid Battery 1 Circuit Low Voltage P0B42: Hybrid Battery 2 Circuit Low Voltage P0B47: Hybrid Battery 3 Circuit Low Voltage P0B4C: Hybrid Battery 4 Circuit Low Voltage P0B51: Hybrid Battery 5 Circuit Low Voltage P0B56: Hybrid Battery 6 Circuit Low Voltage P0B5B: Hybrid Battery 7 Circuit Low Voltage P0B60: Hybrid Battery 8 Circuit Low Voltage P0B65: Hybrid Battery 9 Circuit Low Voltage P0B6A: Hybrid Battery 10 Circuit Low Voltage P0B6F: Hybrid Battery 11 Circuit Low Voltage P0B74: Hybrid Battery 12 Circuit Low Voltage P0B79: Hybrid Battery 13 Circuit Low Voltage P0B7E: Hybrid Battery 14 Circuit Low Voltage P0B83: Hybrid Battery 15 Circuit Low Voltage P0B88: Hybrid Battery 16 Circuit Low Voltage P0B8D: Hybrid Battery 17 Circuit Low Voltage P0B92: Hybrid Battery 18 Circuit Low Voltage P0B97: Hybrid Battery 19 Circuit Low Voltage P0B9C: Hybrid Battery 20 Circuit Low Voltage |
| DTC P0B3E, P0B43, P0B48, P0B4D, P0B52, P0B57, P0B5C, P0B61, P0B66, P0B6B, P0B70, P0B75, P0B7A, P0B7F, P0B84, P0B89, P0B8E, P0B93, P0B98, or P0B9D | P0B3E: Hybrid Battery 1 Circuit High Voltage P0B43: Hybrid Battery 2 Circuit High Voltage P0B48: Hybrid Battery 3 Circuit High Voltage P0B4D: Hybrid Battery 4 Circuit High Voltage P0B52: Hybrid Battery 5 Circuit High Voltage P0B57: Hybrid Battery 6 Circuit High Voltage P0B5C: Hybrid Battery 7 Circuit High Voltage P0B61: Hybrid Battery 8 Circuit High Voltage P0B66: Hybrid Battery 9 Circuit High Voltage P0B6B: Hybrid Battery 10 Circuit High Voltage P0B70: Hybrid Battery 11 Circuit High Voltage P0B75: Hybrid Battery 12 Circuit High Voltage P0B7A: Hybrid Battery 13 Circuit High Voltage P0B7F: Hybrid Battery 14 Circuit High Voltage P0B84: Hybrid Battery 15 Circuit High Voltage P0B89: Hybrid Battery 16 Circuit High Voltage P0B8E: Hybrid Battery 17 Circuit High Voltage P0B93: Hybrid Battery 18 Circuit High Voltage P0B98: Hybrid Battery 19 Circuit High Voltage P0B9D: Hybrid Battery 20 Circuit High Voltage |
| DTC P0BBD | P0BBD: Hybrid Battery Pack Voltage Variation High |
| DTC P0C76 | P0C76: Hybrid Battery System High Voltage Present |
| DTC P0C77 or P1A20 | P0C77: Hybrid Battery System Precharge Time Too Short P1A20: Hybrid Battery System Precharge Time Too Long |
| DTC P1A0C or P1A0D | P1A0C: Battery Energy Control Module System Voltage Low P1A0D: Battery Energy Control Module System Voltage High |
| DTC P1A1F or P1A4E | P1A1F: Battery Energy Control Module Hybrid Battery System Voltage Low P1A4E: Battery Energy Control Module Hybrid Battery System Voltage High |
| DTC P1A21 | P1A21: Hybrid Battery Contactor Control Sequence Incorrect |
| DTC P1AE5 | P1AE5: Battery Energy Control Module Hybrid Battery Power Off Control Circuit |
| DTC P1AE6 or P1AE7 | P1AE6: Battery Energy Control Module Hybrid Battery Voltage Isolation Sensor Circuit P1AE7: Battery Energy Control Module Hybrid Battery Voltage System Isolation Lost |
RENDER: 1.0x
NO RELATED
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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.