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.
2003 Hummer H2FACTORY OEM SERVICE PROCEDURE
Instrument Panel DTCS
INSTRUMENT PANEL AIR BAG DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC B0540 | Driver State Mismatch |
| DTC B0560 | Driver State Mismatch |
| DTC B1372 | Difference Of At Least 75% Between Ignition 1 Voltage Circuit And IPC Battery Positive Voltage Circuit |
| DTC B2961 | Ignition 1 Input Is Active |
| DTC P0461 | No Change In Fuel Level Over Distance |
| DTC P0462 | Fuel Level Signal Low |
| DTC P0463 | Fuel Level Signal High |
| DTC P0522 | EOP Sensor Signal Circuit Voltage Low |
| DTC P0523 | Sensor Signal Circuit Voltage High |
| DTC P0608 | Driver State Mismatch |
| DTC P0654 | Driver State Mismatch |
Factory Service Tools
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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.
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