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.
Circuit Description
The SECURITY Indicator Always On or Flashing check is designed to find out the reason the SECURITY indicator is staying on or flashing. Figure. However, the diagnostic system operation check - Anti-Theft must always be the starting point for all Passlock™ system troubleshooting.
The diagnostic procedure in this table are designed to find non-DTC troubles. For example: Battery power, Ignition 1 input, and shorted or open SECURITY indicator circuit.
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.