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.
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HOMESERVICE MANUALSLEXUS2010RX 450H 3.5 BREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSCRUISE CONTROL (DIAGNOSTIC CODES & CIRCUIT TESTS)
2010 Lexus RX 450h 3.5 B
Cruise Control (Diagnostic Codes & Circuit Tests)
2010 Lexus RX 450h 3.5 BSECTION Cruise Control (Diagnostic Codes & Circuit Tests)
- Cruise Control System
- DTC P0571: Brake Switch "A" Circuit (To 8/2009)
- DTC P0571: Brake Switch "A" Circuit (From 8/2009)
- DTC P0575: Cruise Control Input Circuit (To 8/2009)
- DTC P0575: Cruise Control Input Circuit (From 8/2009)
- DTC P1578: Brake System Malfunction (To 8/2009)
- DTC P1578: Brake System Malfunction (From 8/2009)
- DTC U0122: Lost Communication with Vehicle Dynamics Control Module (To 8/2009)
- DTC U0122: Lost Communication with Vehicle Dynamics Control Module (From 8/2009)
- Cruise Control Switch Circuit (To 8/2009)
- Cruise Control Switch Circuit (From 8/2009)
- Cruise Main Indicator Light Circuit (To 8/2009)
- Cruise Main Indicator Light Circuit (From 8/2009)
- TC and CG Terminal Circuit (To 8/2009)
- TC and CG Terminal Circuit (From 8/2009)
RENDER: 1.0x
NO RELATED
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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.