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 MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1229 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B1019CIRCUIT/SYSTEM TESTING
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Circuit/System Testing
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Circuit/System Testing
WARNING: This page is about a different car, the 2008 Chevrolet Malibu Classic. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, verify the scan tool End Model Part Number is correct for the vehicle.
- If the part number is incorrect, reprogram the SDM.
- Observe the scan tool passenger presence system (PPS) Options parameter to determine how the vehicle PPS is currently configured in the SDM. The scan tool parameter should display Auto, Manual, or Auto + Man and the PPS indicator should be present on the vehicle
- Verify the actual vehicle equipment and the current configuration indicated by the scan tool parameter are the same.
- If the original configuration does not match the actual vehicle equipment, reprogram the SDM with the correct configuration.
- Ignition OFF, disconnect the harness connectors at the SDM and verify the connector is in good condition and has no bent pins, terminals or shorting bars.
- If damage is found, repair the bent pins, terminals or shorting bars as needed and perform the Setup New SDM procedure.
- Reconnect the harness connector at the SDM.
- Ignition ON, verify the scan tool System Configuration matches the actual components installed on the vehicle.
- If the System Configuration does not match the actual components installed, reprogram the SDM with the correct components.
- Ignition ON, clear all PPS and SDM DTCs.
- Operate the vehicle within the Conditions for Running. Verify DTC B1019 does not reset.
- If the DTC resets, replace the SDM.
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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.