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Toyota Corolla XII faults

2 faults documented by at least two sources, listed by version then by mileage at onset when known.

Excellent choice
Reliability
5.0/5

2 known faults

Hybride 122

  1. 12 V battery discharging

    Severity 1/3 · Annoying

    The small 12 V auxiliary battery, not the hybrid battery, is the fault most often reported: it runs flat on short trips, after prolonged standing or with accessories permanently connected (WhoCanFixMyCar), and repeated discharges wear it out prematurely. When too weak, it prevents the hybrid system from starting (CarVerif). 12% of owners surveyed by What Car? cite problems with the 12 V battery, bodywork or infotainment. Owners of the Corolla Touring Sports report batteries going flat repeatedly (Toyota Owners Club).

    Versions
    Hybride 122, Hybride 184
    Onset
    not documented
    Repair
    not documented

  2. Brake pedal bracket bolt not tightened correctly (recall)

    Manufacturer recall

    On Corollas and C-HRs built between June 2019 and March 2020, the bolt securing the bracket that connects the brake pedal to the dashboard may not have been tightened to the correct torque. If it loosens, the pedal can move back towards the driver in a crash, and repeated hard braking can deform its mounting point. Toyota recalled the affected vehicles to check and retighten this bolt (CCPC, Tipperary Live); What Car? also mentions this recall.

    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, Hybride 184
    Onset
    not documented
    Repair
    not documented

Hybride 184

  1. 12 V battery discharging

    Severity 1/3 · Annoying

    The small 12 V auxiliary battery, not the hybrid battery, is the fault most often reported: it runs flat on short trips, after prolonged standing or with accessories permanently connected (WhoCanFixMyCar), and repeated discharges wear it out prematurely. When too weak, it prevents the hybrid system from starting (CarVerif). 12% of owners surveyed by What Car? cite problems with the 12 V battery, bodywork or infotainment. Owners of the Corolla Touring Sports report batteries going flat repeatedly (Toyota Owners Club).

    Versions
    Hybride 122, Hybride 184
    Onset
    not documented
    Repair
    not documented

  2. Brake pedal bracket bolt not tightened correctly (recall)

    Manufacturer recall

    On Corollas and C-HRs built between June 2019 and March 2020, the bolt securing the bracket that connects the brake pedal to the dashboard may not have been tightened to the correct torque. If it loosens, the pedal can move back towards the driver in a crash, and repeated hard braking can deform its mounting point. Toyota recalled the affected vehicles to check and retighten this bolt (CCPC, Tipperary Live); What Car? also mentions this recall.

    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, Hybride 184
    Onset
    not documented
    Repair
    not documented

No recurring fault documented for: Hybride 140, Hybride 196.

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 Corolla XII (timing, brakes, filters) to estimate the repairs to plan for.

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