Toyota Mirai Recall R/2017/075: Electric Fuel Cell System May Stop Running, Who Is Affected And What To Do

DVSA reference R/2017/075, campaign code GGG22. Data updated daily from DVSA.

Low
How serious
11 Apr 2017
Launched
37
vehicles in the UK
GGG22
Manufacturer’s campaign code

Toyota recalled Mirai vehicles built between 24 February 2015 and 15 December 2016. Under unique driving conditions such as if the accelerator pedal is depressed to the wide open throttle position after driving on a long descent with the use of cruise control there is a possibility that Fuel Cell system may malfunction. The recall notice describes the fix as: on affected vehicles update the control software of Fuel Cell Boost control module. You won't usually pay for it.1

What’s Wrong

Under unique driving conditions such as if the accelerator pedal is depressed to the wide open throttle position after driving on a long descent with the use of cruise control there is a possibility that Fuel Cell system may malfunction.

DVSA's Original Wording

Concern: ELECTRIC FUEL CELL SYSTEM MAY STOP RUNNING Defect: Under unique driving conditions such as if the accelerator pedal is depressed to the wide open throttle position after driving on a long descent with the use of cruise control there is a possibility that Fuel Cell system may malfunction. Remedy: On affected vehicles update the control software of Fuel Cell Boost control module.

Contains public sector information licensed under the Open Government Licence v3.0.

The Risk

The recall notice describes the concern as: electric fuel cell system may stop running.

The Fix

The recall notice describes the fix as: on affected vehicles update the control software of Fuel Cell Boost control module. The fix is a software update, which usually takes under an hour at the dealer.

Are You Affected?

Mirai built between 24 February 2015 and 15 December 2016 may be included. Toyota estimates 37 vehicles in the UK. Enter your registration to check, then confirm by VIN with Toyota, because not every car in the date range may be included.

What To Do Now

  1. Check your car by registration above, then by VIN with Toyota.
  2. Book with any franchised Toyota dealer, quoting the campaign code GGG22 or the DVSA reference R/2017/075. See how to get a Toyota recall fixed.
  3. Follow the letter's instructions until the repair is done. See can you drive a car with a recall?.
LaunchedVehicle and faultSeverityReference
BZ4X, C-HR, Highlander, Landcruiser and 3 moreParking Assist ECU reprogram on multiple modelsLowR/2025/466
Corolla, Highlander, Mirai, RAV4 and 1 moreThe emergency calling system (ecall) may not function when requiredBook soonR/2021/315

This is one of 250 Toyota recalls in DVSA’s data. The Toyota recall launched before it was R/2017/087 on 24 Mar 2017, for airbag inflator may rupture. The one launched after it was R/2017/118 on 22 May 2017, for front driver airbag inflator may rupture. You can also see every Toyota recall and all recalls launched in 2017.


Source: DVSA recall R/2017/075, launched 11 April 2017. Data updated 15 October 2026. How we grade urgency.

Sources

  1. The Code does not itself say repairs are free. GOV.UK guidance says "You will not usually have to pay for any repairs or parts under a safety recall." gov.uk Checked 15 Oct 2026.