IsItAGoodCar
Reliability Guide

Common Problems with the
2024 Lexus NX (Mk2)

The latest NX continues to be a strong seller, benefiting from continuous 'Over The Air' software updates that refine the driving experience and infotainment stability.

What changed for 2024

  • •Minor trim updates and new color options.
  • •Continuous software improvements to the infotainment and safety systems.

Common MOT watch-outs

  • !Tyre wear on higher-powered PHEV models.
  • !Minor sensor faults.
2
Known Issues
1
Serious
1
Moderate
0
Minor

The 2024 period has 1 more issue than the Lexus NX (Mk2) average across all year periods.

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.

Most affected: NX 350h AWD, NX 450h+

Estimated cost: £3,000–£5,000Affects: 2021–2024Often appears around: Any

Typical symptoms

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

What to inspect before you buy

  • ✓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

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.

Estimated cost: Warranty / £200Affects: 2021–2024Often appears around: Low mileage/infrequent use

Typical symptoms

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

What to inspect before you buy

  • ✓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

Buying Tips for the 2024 Lexus NX (Mk2)

  • ✓On the NX 450h+ PHEV, verify the charging cable is present and check the electric-only range estimation.
  • ✓Verify all 'Over The Air' software updates have been successfully downloaded and applied.
2023 Lexus NX (Mk2)2025 Lexus NX (Mk2)

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Other Lexus NX (Mk2) Year Periods

20212022202320242025

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