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 31, DTC 32, DTC 33 & DTC 34: Speed Sensor: DTC Detecting Condition
1999 Toyota Camry XLE, 2.2 GSECTION DTC Detecting Condition
Detection of any of the following conditions may set DTCs 31-34:
- ABS is not operating, wheel speed is 6 MPH or more, one eighth of maximum wheel speed is more than minimum wheel speed for 30 seconds or more continuously.
- ABS is not operating, momentary interruption of speed sensor occurs 7 times or more during one ignition cycle.
- Vehicle is at a stop, malfunction signal of vehicle speed sensor hardware, open circuit is on for .5 seconds continuously since starting system check of vehicle.
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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.