✓ The faults of this engine were checked against sources (10/2026). Each item has at least two independent sources or an official recall or parts-maker technical note.
Head gasket failure (2009-2015 engines): cold-start misfire, coolant loss
usually 150,000–320,000 km · High risk
model years 2009–2015 only
Signs: Shaking or rattle for 10-15 seconds after a cold start, misfire codes P0300-P0304, coolant level drops with no visible leak, white smoke
Fix: Check coolant level often after 200,000 km; pressure and leak-down test, rule out a leaking EGR cooler; replace the head gasket with the revised part, or fit a replacement engine if worn
€1,500–3,500
Electric water pump failure (2009-2015 engines)
usually 100,000–240,000 km · High risk
model years 2009–2015 only
Signs: Check engine light with P261B / P261C / P261D, temperature warning, poor heater; overheating can damage the head gasket
Fix: Replace the electric pump at once when the code appears, or preventively at about 160,000-240,000 km together with a coolant change
€250–600
Hybrid battery cooling fan or intake filter clogged with dust
usually 60,000–250,000 km · Medium risk
Signs: Check engine light with P0A80 or P0A7F, fan noise from the rear seat area, battery runs hot and wears faster
Fix: Remove and clean the battery fan and air duct, clean or replace the intake filter; check the battery itself if the codes return
€50–250
Hybrid battery ageing (weak modules)
usually 200,000–350,000 km · Medium risk
Signs: Check Hybrid System warning with P0A80, engine runs more often, fuel use up, charge display swings between full and empty
Fix: Have the battery tested (Toyota Hybrid Health Check); replace the pack with a new or quality reconditioned one, and clean its cooling fan at the same time
€1,500–3,500