Likely due nowcost pending verification
Brake booster/actuator assembly failure
What you’ll notice: Brake warning lights, ABS/VSC/traction lights, harsh or grabby brake pedal feel.
Subject to a Toyota recall and warranty extension. The brake actuator (booster pump/accumulator) can fail and trigger multiple brake system warnings.
Typical window: 60k-150k miles
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Likely due nowcost pending verification
EGR system and intake carbon buildup
What you’ll notice: Rough running, misfires, P0401 EGR flow codes, hesitation.
The EGR cooler and intake passages clog with carbon over time, a well-known 2ZR-FXE issue that can eventually starve cylinders and cause head gasket damage if ignored.
Typical window: 100k-180k miles
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Hybrid battery pack degradation
What you’ll notice: Reduced fuel economy, warning triangle, hybrid system fault, weak acceleration.
NiMH pack modules degrade with age and heat. High-mileage or hot-climate cars start throwing battery codes.
Typical window: 120k-200k miles
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Electric water pump failure
What you’ll notice: Overheating warning, coolant temperature codes.
The engine's electric coolant pump is a known wear item on this generation and can fail without much warning.
Typical window: 80k-150k miles
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HID/low-beam headlight dropout
What you’ll notice: One or both low-beam headlights intermittently cut out or fail to come on.
Very common complaint on this generation. HID igniters/ballasts and bulbs fail, often intermittently before dying completely.
Typical window: 40k-120k miles
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Likely due nowcost pending verification
12V auxiliary battery failure
What you’ll notice: Car won't boot up (no READY), dash lights flicker, dead on cold mornings.
The small 12V battery only powers the computers, not starting, so it fails quietly and strands owners. Common at typical replacement age.
Typical window: 50k-120k miles
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