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 MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.7 R, L31/KL8REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 6 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)DIAGNOSTIC TESTSNOTES
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8
Diagnostic Tests: Notes
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Notes
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1999 GMC Savana Special, 1999 GMC Savana Camper Special, 1999 GMC Savana, 1999 Chevrolet RV Cutaway, and 1999 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE (DTC) CHART
| Trouble Code | Possible Cause |
|---|---|
| B1015 | Passenger Deployment Loop Resistance High |
| B1016 | Passenger Deployment Loop Resistance Low |
| B1017 | Passenger Deployment Loop Open |
| B1018 | Passenger Deployment Loop Short To Ground |
| B1019 | Passenger Deployment Loop Short To Voltage |
| B1021 | Driver Deployment Loop Resistance High |
| B1022 | Driver Deployment Loop Resistance Low |
| B1024 | Driver Deployment Loop Short To Ground |
| B1025 | Driver Deployment Loop Short To Voltage |
| B1026 | Driver Deployment Loop Open |
| B1035 | Discriminating Sensor Closed Or Short To Ground |
| B1036 | Discriminating Sensor Open Or Short To Voltage |
| B1051 | Deployment Commanded |
| B1053 | Deployment Commanded With Loop Malfunction |
| B1061 | SIR Warning Light Malfunction |
| B1071 | Internal SDM Malfunction |
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.