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.
Self-Diagnostic System: Notes
Air bag system is monitored by Occupant Restraint Controller (ORC). ORC monitors internal and external air bag system electrical circuits to determine system readiness. When a monitored system is determined out of range, ORC will set both active and stored Diagnostic Trouble Codes (DTCs) or fault messages to aid in diagnosing system problems.
If more than one code exists, diagnostic priority should be given to active codes. Each DTC is diagnosed by following a specific testing procedure. Diagnostic test contain step-by-step instructions for determining cause of the DTC. It is not necessary to perform all diagnostic tests to diagnose an individual code. Always begin by reading DTCs with DRBIII. Perform corresponding test to determine system malfunction. See DIAGNOSTIC TROUBLE CODES (DTCS) table.
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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.