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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1209 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B0081CIRCUIT/SYSTEM VERIFICATION
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Circuit/System Verification
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Circuit/System Verification
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- A DTC B0081 set in history may not clear until the PPS module enters the sleep mode.
- When removing connectors inspect for damage, corrosion or poor connection. Damage or corrosion in the following requires repair or replacement of the affected component/connector.
- The PPS module
- The SDM module
- The PPS module harness connector
- The SDM wiring harness connector
- Ignition ON, verify no PPS DTCs are set in the PPS or SDM.
- If any PPS DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Verify DTC B1000, B1001, or U0170 is not set as current.
- If any of the DTCs are set as current, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Verify DTC B0081 3A is not set as current.
- If DTC B0081 3A is set as current, replace the PPS with the correct part number.
- Verify DTC B0081 39 is not set as current.
- If DTC B0081 39 is set as current, replace the PPS.
- Verfiy DTC B0081 71 or B0081 0F is not set.
- If DTC B0081 71 or B0081 0F is set, clear the DTCs. No other repairs are necessary.
IMPORTANT:
Clearing DTC B0081
- To enter the sleep mode, remove the scan tool, turn the ignition OFF, and open and close the driver door.
- Ignition OFF and all doors closed, wait 30 seconds.
- With a scan tool, clear DTC B0081. The DTC should clear.
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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.