Lexus Lexus RX 400H Recall R/2011/076: Vehicle May Loose Power, Who Is Affected And What To Do

DVSA reference R/2011/076, campaign code 1KBA-044. Data updated daily from DVSA.

Low
How serious
5 Aug 2011
Launched
4,007
vehicles in the UK
1KBA-044
Manufacturer’s campaign code

Lexus recalled Lexus RX 400H vehicles built between 24 September 2004 and 9 August 2006. The Intelligent Power Module within the inverter system may fail. The dealer will replace the Intelligent Power Module (IPM) in the inverter assembly. You won't usually pay for it.1

What’s Wrong

The Intelligent Power Module within the inverter system may fail. This will result in various warning lamps being illuminated. In most cases this will result in the vehicle entering the fail-safe mode resulting in limited power. In limited instances the fuse on the power supply circuit could blow resulting in the hybrid system stopping.

DVSA's Original Wording

Concern: VEHICLE MAY LOOSE POWER Defect: The Intelligent Power Module within the inverter system may fail. This will result in various warning lamps being illuminated. In most cases this will result in the vehicle entering the fail-safe mode resulting in limited power. In limited instances the fuse on the power supply circuit could blow resulting in the hybrid system stopping. Remedy: Replacement of the Intelligent Power Module (IPM) in the inverter assembly.

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

The Risk

If the fault occurs, the recall notice says it could result in various warning lamps being illuminated.

The Fix

The dealer will replace the Intelligent Power Module (IPM) in the inverter assembly.

Are You Affected?

Lexus RX 400H built between 24 September 2004 and 9 August 2006 may be included. Lexus estimates 4,007 vehicles in the UK. Enter your registration to check, then confirm by VIN with Lexus, 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 Lexus.
  2. Book with any franchised Lexus dealer, quoting the campaign code 1KBA-044 or the DVSA reference R/2011/076. See how to get a Lexus 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
Lexus RX 400HVehicle could suddenly stopLowR/2013/104
Lexus RX 400H, Lexus RX300Steering may be affectedUrgentR/2011/150

This is one of 42 Lexus recalls in DVSA’s data. The Lexus recall launched before it was R/2011/006 on 17 Feb 2011, for fuel may leak. The one launched after it was R/2011/150 on 18 Jan 2012, for steering may be affected. You can also see every Lexus recall and all recalls launched in 2011.


Source: DVSA recall R/2011/076, launched 5 August 2011. 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.