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 18 - Passenger-Side Deployment Loop Short To Ground: Description
When ignition is first turned to RUN, inflatable restraint control module performs tests to diagnose internal critical malfunctions. Upon passing tests IGNITION 1, 23 VLR and deployment loop voltages are measured to ensure respective normal voltage ranges. inflatable restraint control module monitors voltages at DRIVER-SIDE LOW terminal No. 3 and PASSENGER-SIDE LOW terminal No. 4 to detect shorts to ground in inflator module circuits. Service wait time is 10 minutes.
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.