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.
DTC Descriptors
- DTC B0081 00
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Passenger Presence Module Malfunction (sets in the Inflatable Restraint Sensing and Diagnostic Module)
- DTC B0081 11
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Passenger Presence Module Above Threshold (Build Check Failure) (sets in the Passenger Presence Module)
- DTC B0081 3A
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Passenger Presence Module Incorrect Component Installed (sets in the Inflatable Restraint Sensing and Diagnostic Module)
- DTC B0081 4B
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Passenger Presence Module Calibration Not Learned (sets in the Passenger Presence Module)
- DTC B0081 5A
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Passenger Presence Module Plausibility Failure (sets in the Passenger Presence Module)
- DTC B0081 71
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Passenger Presence Module Invalid Serial Data Received (sets in Inflatable Restraint Sensing and Diagnostic Module)
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.