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.
2007 Lexus IS 250 RWD, AutomaticFACTORY OEM SERVICE PROCEDURE
Cruise Control
CRUISE CONTROL DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description | See Reference: |
|---|---|---|
| P0500 | Vehicle Speed Sensor Malfunction | FAIL-SAFE CHART |
| P0503 | Vehicle Speed Sensor "A" Intermittent / Erratic / High | FAIL-SAFE CHART |
| P0571 | Brake Switch "A" Circuit | DATA LIST / ACTIVE TEST |
| P0607 | Control Module Performance | DTC P0500 Vehicle Speed Sensor Malfunction: DTC P0503 Vehicle Speed Sensor "A" Intermittent / Erratic / High |
Factory Service Tools
Use the Manual With the Right Hardware
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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.