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Toyota Prius IV faults

1 fault documented by at least two sources, listed by version then by mileage at onset when known.

Buy with care
Reliability
not rated

1 known fault

Hybride 122

  1. Worldwide recall: risk of short circuit in the engine wiring harness

    Manufacturer recall

    In 2018, Toyota recalled around one million hybrid vehicles (Prius, plug-in Prius and C-HR) built between June 2015 and May 2018, including more than 32,000 in France, for a fault in the engine wiring harness: wear of the insulating sheath can cause a short circuit and, in an extreme case, the start of a fire. The workshop repair consists of checking the harness, then reconditioning or replacing it, at no cost to the customer.

    Fixed free of charge by a dealer and not counted in the reliability score: ask for proof the work was done (invoice, or a VIN check at a dealer).

    Versions
    Hybride 122, Rechargeable 122
    Onset
    not documented
    Repair
    not documented

Rechargeable 122

  1. Worldwide recall: risk of short circuit in the engine wiring harness

    Manufacturer recall

    In 2018, Toyota recalled around one million hybrid vehicles (Prius, plug-in Prius and C-HR) built between June 2015 and May 2018, including more than 32,000 in France, for a fault in the engine wiring harness: wear of the insulating sheath can cause a short circuit and, in an extreme case, the start of a fire. The workshop repair consists of checking the harness, then reconditioning or replacing it, at no cost to the customer.

    Fixed free of charge by a dealer and not counted in the reliability score: ask for proof the work was done (invoice, or a VIN check at a dealer).

    Versions
    Hybride 122, Rechargeable 122
    Onset
    not documented
    Repair
    not documented

Price and diagnose repairs

Read fault codes

An OBD scanner plugged in under the steering wheel shows stored fault codes, even with warning lights off: useful during the test drive.

Parts and maintenance

Compare prices of parts for the Toyota Prius IV (timing, brakes, filters) to estimate the repairs to plan for.

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