Toyota Prius Recall R/2014/024: Loss Of Power May Occur, Who Is Affected And What To Do

DVSA reference R/2014/024, campaign code AGG09. Data updated daily from DVSA.

Urgent
How serious
10 Mar 2014
Launched
30,788
vehicles in the UK
AGG09
Manufacturer’s campaign code

Toyota recalled Prius vehicles built between 23 March 2009 and 5 February 2014. In certain circumstances components within the inverter assembly may overheat which can lead to the selection of: fail safe mode where the vehicle can still drive with reduced power for a certain distance or in the worst case the drive systems shut down and the vehicle stop. The recall notice describes the fix as: that are likely to be affected to reprogramme the Motor Generator E.C.U. and Power Management Control E.C.U. You won't usually pay for it.1

What’s Wrong

In certain circumstances components within the inverter assembly may overheat which can lead to the selection of: fail safe mode where the vehicle can still drive with reduced power for a certain distance or in the worst case the drive systems shut down and the vehicle stop.

DVSA's Original Wording

Concern: LOSS OF POWER MAY OCCUR Defect: In certain circumstances components within the inverter assembly may overheat which can lead to the selection of: fail safe mode where the vehicle can still drive with reduced power for a certain distance or in the worst case the drive systems shut down and the vehicle stop. Remedy: Recall the vehicles that are likely to be affected to reprogramme the Motor Generator E.C.U. and Power Management Control E.C.U.

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

The Risk

If the fault occurs, the recall notice says it could lead to the selection of: fail safe mode where the vehicle can still drive with reduced power for a certain distance or in the worst case the drive systems shut down and the vehicle stop.

The Fix

The recall notice describes the fix as: that are likely to be affected to reprogramme the Motor Generator E.C.U. and Power Management Control E.C.U. The fix is a software update, which usually takes under an hour at the dealer.

Are You Affected?

Prius built between 23 March 2009 and 5 February 2014 may be included. Toyota estimates 30,788 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 AGG09 or the DVSA reference R/2014/024. 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
PriusRelay and Wire Harness installation on certain PriusBook soonR/2026/027
Prius, Prius PHVIncorrect programming in relation to transmission shift position status might cause hybrid system to shut downUrgentR/2021/332
PriusThe pre-crash brake assist function can be delayedUrgentR/2021/260
Auris HV, PriusUnder certain circumstances the hybrid unit may shut down and cause loss of motive powerUrgentR/2020/190
Prius, Prius PHVImproper assembly of the electrical contacts in the driver's seat belt reminder switchUrgentR/2020/025

This is one of 250 Toyota recalls in DVSA’s data. The Toyota recall launched before it was R/2014/020 on 3 Mar 2014, for directional control may be lost. The one launched after it was R/2014/048 on 22 Apr 2014, for drivers airbag may not function. You can also see every Toyota recall, the Toyota Prius recall history, all recalls launched in 2014 and fire risk recalls across every make.


Source: DVSA recall R/2014/024, launched 10 March 2014. 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.