Common Problems with the
2021–2024 Isuzu D-Max (Mk3)

We've identified 3 known issues that can affect the 2021–2024 Isuzu D-Max (Mk3). None are considered critical, but they're worth knowing about before you buy.

3
Known Issues
0
Serious
2
Moderate
1
Minor

The 2021–2024 period has 1 more issue than the Isuzu D-Max (Mk3) average across all year periods.

All Known Issues

DPF and AdBlue System Sensitivity

ModerateEngine

While improved over earlier models, the Euro 6d engine still requires consistent long runs to avoid AdBlue sensor errors and DPF blockages.

Estimated cost: £200–£1,200Affects: 20212025

Typical symptoms

  • AdBlue warning lights
  • DPF regeneration requests
  • Limp mode

What to inspect before you buy

  • Ask about the previous owner's driving habits (motorway vs town)

Front CV Joint Wear

ModerateSuspension & Chassis

The front CV joints and boots can wear prematurely, especially on vehicles used off-road or with larger tyres. Dust and water ingress accelerates wear.

Most affected: All 4x4 models

Estimated cost: £200–£500Affects: 20212025Often appears around: 30,000–60,000 miles

Typical symptoms

  • Clicking noise when turning
  • Vibration under acceleration
  • Torn CV boots

What to inspect before you buy

  • Inspect CV boots for tears or leaks
  • Listen for clicking during tight turns
  • Check front driveshafts for play

Over-sensitive ADAS Sensors

MinorElectrics & Electronics

The cameras and radar sensors can trigger false warnings or "system unavailable" messages in typical UK weather (heavy rain/spray).

Estimated cost: £0 (Software/Calibration)Affects: 20212024

Typical symptoms

  • Random beeping
  • Lane assist tugging the wheel
  • Emergency brake warnings

What to inspect before you buy

  • Test drive on a variety of roads to check sensor behavior
  • Ensure the windscreen is clean and undamaged near the camera

Buying Tips for the 2021 Isuzu D-Max (Mk3)

  • Check the Lane Keep Assist and Emergency Braking sensors; they can be over-sensitive in heavy rain or mud.
  • Ensure the infotainment system is updated to the latest firmware to prevent smartphone connectivity drops.
  • Inspect the leaf springs for any sagging if the truck has been fitted with a heavy canopy or used for constant towing.

Browse 2021–2024 Isuzu D-Max (Mk3) in our Directory

View MOT history, registration data, and reliability scores for 2021–2024 Isuzu D-Max (Mk3) vehicles.

View 2021–2024 Directory

Other Isuzu D-Max (Mk3) Year Periods

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