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.
Code 93 - Code 91 Or 92 Set In Current Or Last Ignition Cycle: Notes
When Code 91 or 92 is set, Code 93 becomes a current failure during next ignition cycle, keeping ABS disabled until a brake switch on signal is sensed by EBCM/EBTCM. Code 93 alone indicates Codes 91 or 92 failed previously but is intermittent or has been corrected.
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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.