IsItAGoodCar
Reliability Guide

Common Problems with the
2022 Mazda CX-30 (DM)

We've identified 3 known issues that can affect the 2022 Mazda CX-30 (DM). None are considered critical, but they're worth knowing about before you buy.

3
Known Issues
0
Serious
1
Moderate
2
Minor

The 2022 period has 2 more issues than the Mazda CX-30 (DM) average across all year periods.

All Known Issues

12V Battery Drain

ModerateElectrics & Electronics

The 12V battery can discharge unexpectedly, often due to the keyless entry system or other modules not entering "sleep" mode correctly.

Estimated cost: £100–£200Affects: 2019–2022

Typical symptoms

  • •Car won't start after being left for a few days
  • •Low battery warnings

What to inspect before you buy

  • ✓Ask if the battery has been replaced or if software updates for the BCM have been applied

Low-Speed Brake Squeal

MinorBrakes

Some CX-30s exhibit a high-pitched squeal when braking at very low speeds, often addressed by Mazda with specialised shims.

Estimated cost: £0–£100Affects: 2019–2024

Typical symptoms

  • •Squealing noise when braking at low speed
  • •Noise disappears at higher speeds

What to inspect before you buy

  • ✓Test brakes in a car park at low speed

Power Tailgate Malfunction

MinorElectrics & Electronics

The electric tailgate can fail to open, fail to close, or beep incessantly due to sensor or software issues.

Estimated cost: £200–£600Affects: 2019–2023

Typical symptoms

  • •Tailgate reverses when closing
  • •Beeping sounds but no movement

What to inspect before you buy

  • ✓Test the tailgate multiple times using both the button and the key fob

Buying Tips for the 2022 Mazda CX-30 (DM)

  • ✓Battery drain is a common complaint; consider a trickle charger if the car is rarely used.
  • ✓Check for software updates regarding the Smart Brake Support system.
  • ✓Ensure the infotainment system has the latest firmware to avoid glitches.
2021 Mazda CX-30 (DM)2023 Mazda CX-30 (DM)

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Other Mazda CX-30 (DM) Year Periods

201920202021202220232024

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