KNOWN FAULTS · Toyota

Toyota Yaris (IV) 1.6 GR Yaris common problems.

2020–2026 · Petrol

Sources are not verified in real time and no entry confirms that your car is affected.

5 known faults with sources

Applies if: Toyota USA tech tip for all its models: it applies if the judder began after wheels, pads or discs were removed or changed.

Brake judder from wheel nuts over-tightened or tightened unevenly (Toyota tech tip)Brakes

Engine / equipment: Any Toyota: it depends on how the wheels are tightened
Period mentioned: 2016 tech tip for all its models
Symptoms: Vibration in the steering wheel and the pedal when braking, even gently and at any speed, often shortly after wheels, pads or discs were changed.
Possible cause described: Toyota points out in a tech tip that if the wheel nuts are over-tightened or tightened unevenly (a single one is enough), the brake disc is left with runout and brake judder appears. It happens above all when they are run fully home with an impact gun instead of a torque wrench in a star pattern.
Check for the garage: Ask the garage to loosen and re-tighten the nuts with a torque wrench, to the manual's torque and in a star pattern, and to measure whether the discs have been left warped; if so, they will need skimming or replacing.
Cost cited in the source: No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Applies if: Weak points of this model from inspections, breakdown statistics and recalls; anything specific to one engine is stated in the sheet.

Recalls on the Yaris IVElectrical and electronic systems

Engine / equipment: Toyota Yaris IV (petrol, hybrid and GR Yaris)
Period mentioned: 2020 onwards
Symptoms: Headlamps that will not switch between dipped and main beam, ABS, PreCrash or parking brake switching off, an eCall that does not work and failing driver aids.
Possible cause described: No typical faults are known yet, but there are recalls (KBA): the headlamp mechanism, the rear centre seat-belt guide, brake-actuator software, eCall and radar-sensor initialisation.
Check for the garage: Check every campaign by VIN.
Cost cited in the source: No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Toyota Yaris (IV) 1.6 GR Yaris: known faults of the engine according to L'argusEngine

Engine / equipment: 1.6 GR Yaris in the Toyota Yaris (IV)
Period mentioned: 2020–2026
Symptoms: Engine vibration between 2,000 and 2,400 rpm (up to the end of December 2023)
Possible cause described: According to the brand's technical notes reported by L'argus (each date shows up to when the affected cars were built): 1) Engine vibration between 2,000 and 2,400 rpm (up to the end of December 2023): Left engine mount to be replaced.
Check for the garage: Compare your symptom and your car's build date with this list. If they match, tell the workshop and ask them to check that part first before replacing others. The brand or a warranty extension covers some repairs: ask the dealer with the car's details.
Cost cited in the source: No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Toyota Yaris (IV): known faults of the gearbox and transmission according to L'argusGearbox

Engine / equipment: Toyota Yaris (IV), all engines
Period mentioned: 2020–2026
Symptoms: [GR Yaris] Risk of rear differential overheating and automatic switch from 4WD to 2WD (up to 17/05/2021)
Possible cause described: According to the brand's technical notes reported by L'argus (each date shows up to when the affected cars were built): 1) [GR Yaris] Risk of rear differential overheating and automatic switch from 4WD to 2WD (up to 17/05/2021): Control unit reprogramming.
Check for the garage: Compare your symptom and your car's build date with this list. If they match, tell the workshop and ask them to check that part first before replacing others. The brand or a warranty extension covers some repairs: ask the dealer with the car's details.
Cost cited in the source: No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Toyota Yaris (IV): known faults of the electronics and interior according to L'argusElectrical and electronic systems

Engine / equipment: Toyota Yaris (IV), all engines
Period mentioned: 2020–2026
Symptoms: Various Toyota Touch 3 multimedia faults (up to December 2024); Damp patches on the headlining, the windscreen is hard to demist and warning lights come on
Possible cause described: According to the brand's technical notes reported by L'argus (each date shows up to when the affected cars were built): 1) Various Toyota Touch 3 multimedia faults (up to December 2024): Update. 2) Damp patches on the headlining, the windscreen is hard to demist and warning lights come on: Repair or replace the headlining.
Check for the garage: Compare your symptom and your car's build date with this list. If they match, tell the workshop and ask them to check that part first before replacing others. The brand or a warranty extension covers some repairs: ask the dealer with the car's details.
Cost cited in the source: No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.