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 MANUALSTOYOTA2018PRIUS TWO ECOREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASDYNAMIC RADAR CRUISE CONTROL SYSTEM - DIAGNOSTIC CODES & CIRCUIT TESTSDYNAMIC RADAR CRUISE CONTROL SYSTEMDTC P1578-00: BRAKE SYSTEM [12/2018 - 07/2020]CAUTION / NOTICE / HINT
2018 Toyota Prius Two Eco
Caution / Notice / Hint
2018 Toyota Prius Two EcoSECTION Caution / Notice / Hint
NOTE:
- Before replacing the hybrid vehicle control ECU, refer to Registration.
Refer to REGISTRATION [12/2018 - ]
- First check the CAN communication system by following How to Proceed with Troubleshooting. After checking that there are no malfunctions in the CAN communication system, proceed with troubleshooting
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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.