Some 2004 ? 2009 model year Prius vehicles may exhibit a MIL ?ON? and brake warning lights (ABS/VSC)...
Toyota technical service bulletin T-SB-0174-12 Rev for 2004-2009 Toyota Prius.
- Bulletin number
- T-SB-0174-12 Rev
- Component
- Service brakes, air: antilock: control unit/module
- Summary
- TSB: Some 2004 ? 2009 model year Prius vehicles may exhibit a MIL ?ON? and brake warning lights (ABS/VSC) illuminated in the instrument panel with Diagnostic Trouble Code (DTC) C1247 (Stroke Sensor Malfunction) stored in the ABS/VSC Electronic Control Unit (ECU). This DTC may set as a result of an overly sensitive monitoring logic without any other ABS/VSC system issue. Follow the Repair Procedure in this bulletin to properly diagnose the system and, if necessary, replace the ABS/VSC ECU with an ECU containing the updated monitoring logic.
Owners of these vehicles have filed 1,488 complaints in the brakes category.
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