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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1844 (DTC INDEX)HYBRID CONTROL DTCS
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Hybrid Control DTCS
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Hybrid Control DTCS
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
HYBRID CONTROL DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | DEFINITION |
|---|---|
| DTC P0A1E | Starter/Generator Control Module Internal Performance |
| DTC P0A37 | Starter/Generator Temperature Sensor Performance |
| DTC P0A38 or P0A39 | Starter/Generator Temperature Sensor Circuit Voltage |
| DTC P0A3B | Starter/Generator Overtemperature |
| DTC P0A4B | Starter/Generator Position Sensor Circuit |
| DTC P0A4C | Starter/Generator Position Sensor Performance |
| DTC P0A50 | Starter/Generator Overspeed |
| DTC P0A7C | Starter/Generator Control Module Motor Electronics Overtemperature |
| DTC P0A7E | Hybrid Battery Pack Overtermperature |
| DTC P0A87 | 14 Volt Power Module Current Sensor Performance |
| DTC P0A88 or P0A89 | 14 Volt Power Module Current Sensor Circuit Current |
| DTC P0A92 | Starter/Generator Performance |
| DTC P0A8E | 14 Volt Power Module System Voltage High |
| DTC P0A9C, P0AC6, P0ACB, P0AE9, P1A19 or P1A1C | Hybrid Battery (1-6) Temperature Sensor Performance |
| DTC P0A9D, P0A9E, P0AC7, P0AC8, P0ACC, P0ACD, P0AEA, P0AEB, P1A1A, P1A1B, P1A1D, or P1A1E | Hybrid Battery Temperature Sensor Circuit Voltage |
| DTC P0ADB or P0ADC | Hybrid Battery Positive Contactor Control Circuit Voltage |
| DTC P0AF7 | 14 Volt Power Module Overtemperature |
| DTC P1A0C or P1A0D | Battery Energy Control Module System Voltage |
| DTC P1A56 | Hybrid System Voltage Discharge Circuit |
| DTC P1A62 | Starter/Generator Control Module Torque Delivered Performance |
| DTC P1A63, P1A69, P1A6A or P1A6B | Starter/Generator Control Module |
| DTC P1A6D or P1A6E | Starter/Generator Control Module System Voltage |
| DTC P1A70 | Starter/Generator Control Module System Voltage Performance |
| DTC P1A7B | Starter/Generator Control Module Temperature Sensor Performance |
| DTC P1A7C or P1A7D | Starter/Generator Control Module Temperature Sensor Circuit Voltage |
| DTC P1A8D or P1A8E | 14 Volt Power Module Voltage Sensor Circuit Voltage |
| DTC P1A8F | 14 Volt Power Module Current Sensor Overcurrent |
| DTC P1A90 | 14 Volt Power Module Temperature Sensor Performance |
| DTC P1A91 or P1A92 | 14 Volt Power Module Temperature Sensor Circuit Voltage |
| DTC P1A93 or P1A94 | 14 Volt Power Module Stuck Off/On |
| DTC P1A95 or P1A96 | DC/DC Converter Stuck |
| DTC P1A97 or P1A98 | Starter/Generator Control Module Hybrid Battery Voltage Sense Circuit Voltage |
| DTC P1A9B | Starter/Generator Inverter Phase U Temperature Sensor Performance |
| DTC P1A9C, P1A9D, P1AA0, or P1AA1 | Starter/Generator Inverter Phase Temperature Sensor Circuit Voltage |
| DTC P1A9E or P1AA2 | Starter/Generator Inverter Phase Overtemperature |
| DTC P1AA7 | Starter/Generator Field Coil Circuit |
| DTC P1AAE/ P1AAF | Starter/Generator Phase U-V-W Correlation/Circuit |
| DTC P1AB1 | Starter/Generator Phase U-V-W Current Sensor Overcurrent |
| DTC P1AB3, P1AB4, P1AB5, P1AB6, P1AB7, P1AB8 | Starter/Generator Phase Current Sensor Circuit Voltage |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.