IsItAGoodCar
Reliability Guide

Common Problems with the
2023 Lexus NX (Mk2)

We've identified 3 known issues that can affect the 2023 Lexus NX (Mk2). 1 of these are serious faults that could be expensive to repair.

3
Known Issues
1
Serious
1
Moderate
1
Minor

All Known Issues

Rear Motor Cable Corrosion ("Cablegate")

SeriousElectrics & Electronics

The high-voltage cable connector to the rear electric motor (MGR) is exposed to the elements. Road salt and water can cause the connector to corrode, eventually leading to a loss of AWD and a "Hybrid System Malfunction" warning.

Est. Repair Cost: £3,000–£5,000
Warning Signs:

Hybrid System Malfunction warning, Loss of rear-wheel drive / AWD, AM radio interference

What to Inspect:
  • Ask if the cable has been inspected or replaced
  • Check for the updated cable shield/protector
  • Look for any signs of corrosion at the rear motor junction if the car is on a lift
Verified by IsItAGoodCar Research Team

12V Battery Failure (Critical)

ModerateElectrics & Electronics

The 12V auxiliary battery on the NX Mk2 is a major pain point for UK owners, often failing after only a week of the car being parked.

Est. Repair Cost: Warranty / £200
Warning Signs:

Car completely dead/won't unlock, Alarm sounding weakly, Login profile deleted

What to Inspect:
  • Ask if the battery has been upgraded to the newer, higher-capacity version authorized by Lexus
  • Check for the presence of a jump-starter pack
Verified by IsItAGoodCar Research Team

Infotainment Software Bugs

MinorElectrics & Electronics

The newer widescreen system can suffer from wireless CarPlay/Android Auto disconnects and "profile" login errors.

Est. Repair Cost: £0 (Software update)
Warning Signs:

Screen freezing, Navigation maps not loading, Phone connectivity drops

What to Inspect:
  • Try to log into a user profile during the test drive
  • Check the software version in the settings menu
Verified by IsItAGoodCar Research Team

Buying Tips for 2023 Lexus NX (Mk2)

  • ✓Ensure all software updates have been applied to the new Lexus Link Pro infotainment system.
  • ✓Test the e-latch electronic door handles; they have a manual override, but you should know how it works.
  • ✓On the 450h+ (PHEV), check that the charging cable is present and the port opens/locks correctly.
20222024
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