Reliability Guide

Common Toyota Problems

Select a model below to discover known faults, common MOT failures, estimated repair costs, and buying tips.

Brand-wide Toyota Problem Patterns

Hybrid Inverter Failure (ZE3): Prius and Auris models (2010-2014) have a 15-year warranty extension for the inverter module.
"Cablegate" (RAV4/Highlander AWD-i): Corrosion on the rear motor high-voltage cable connector can lead to expensive repairs on 2019-2022 AWD hybrids.
bZ4X Winter Range & Charging: Early models face significant range drops in cold weather and slow DC charging speeds due to lack of battery preconditioning.
12V Battery Drain: A widespread issue across the 2019+ hybrid range where the car fails to start if left for more than a week.
2.2 D-4D / D-CAT Head Gasket: The AD-series diesel engine is notorious for carbon buildup leading to head gasket and block erosion.

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