Mazda CX-30 Common Faults

24
Fault Reports
24
Solved
6
Model Years
📖 How to Use This Page

Every figure below comes from owner-submitted fault reports for this exact model — not a manufacturer spec sheet. Jump to any section, or scroll through for the full picture before buying or diagnosing a problem.

📊 Data Score 📋 Overview 🔍 Reliability 🗂️ Problem Categories 💰 Repair Costs 💡 Buying Advice 🔧 Full Fault List ❓ FAQ

📊 Mazda CX-30 Data Score

Reliability Score
80/100
Excellent
Resolution Rate
100%
24 of 24 confirmed fixed
Risk Level
Low
0 serious/critical cases
Maintenance Complexity
High
7 systems affected

📐 The MyCarFault Score blends this model's resolution rate (% of reports with a confirmed fix) and severity mix of its 24 reported cases. It reflects our database only, not a manufacturer or third-party rating.

📋 Most Reported Problems

🗂️ Problem Categories

Which vehicle systems generate the most reports for the Mazda CX-30, based on all 24 cases on this page.

Engine
6 (25%)
Electrical
4 (17%)
Suspension
4 (17%)
Exhaust
4 (17%)
Transmission
2 (8%)
Fuel System
2 (8%)
Other
2 (8%)

🛠️ High maintenance complexity — issues span 7 different systems, with an average reported repair cost of $1,633. Models touching fewer systems are generally simpler and cheaper to keep on top of.

⚡ Quick Summary
Fault Reports
24
24 with confirmed fix
Est. Repair Cost
$1,633
avg · $675–$2150 range
Fix Rate
100%
of reported faults solved

Based on 24 driver-submitted reports, common Mazda CX-30 faults include Mazda CX-30 2016 CVT transmission shudder and jerking, Mazda CX-30 2022 Transmission slipping between gears, Mazda CX-30 2016 P0300 random misfire rough idle, Mazda CX-30 2016 Battery draining overnight parasitic drain and Mazda CX-30 2014 Alternator warning light battery not charging. 24 of these have a confirmed driver-verified fix.

📋 Mazda CX-30 Overview

The Mazda CX-30 has 24 owner-reported faults recorded on MyCarFault. Documented issues include Mazda CX-30 2016 CVT transmission shudder and jerking, Mazda CX-30 2022 Transmission slipping between gears, Mazda CX-30 2016 P0300 random misfire rough idle, Mazda CX-30 2016 Battery draining overnight parasitic drain, and Mazda CX-30 2014 Alternator warning light battery not charging.

100% of reported issues have a confirmed driver-verified fix.

Estimated repair costs based on owner-reported data range from $675 to $2150, with an average of $1,633 USD. Costs vary by fault type, garage type, and parts availability in your region.

Long-term Mazda CX-30 ownership appears manageable based on community data. A high proportion of reported faults have confirmed fixes, suggesting problems are diagnosable and repairable by informed owners and independent garages.

🔍 Reliability Snapshot

Fault Reports
24
Verified Fixes
24
Est. Repair Cost
$1,633
Most Common Issue
Mazda CX-30 2016 CVT transmission shudde…
Owner Confidence
High

💰 Repair Cost Insight

Based on 24 owner-reported Mazda CX-30 fault cases where cost data was provided:

Average Cost
$1,633
Lowest Estimate
$675
Highest Estimate
$2,150

Estimates are owner-reported and vary by region, garage type, and parts availability. Independent specialists typically charge 30–50% less than main dealers for the same repair.

💡 Should You Buy a Used Mazda CX-30?

Reports on File
24
Resolution Rate
100%
Most-Affected System
Engine
Risk Level
Low

Thinking about buying a used Mazda CX-30? Here is what our fault data suggests.

The Mazda CX-30 has a significant number of community-reported faults. This does not necessarily mean the car is unreliable — high fault counts often reflect high ownership numbers. Focus on whether the known issues on this page have been addressed on the specific car you are viewing.

The most reported issue is "Mazda CX-30 2016 CVT transmission shudder and jerking". Ask the seller specifically about this before committing to a purchase, and have an independent mechanic check for it during a pre-purchase inspection.

An independent pre-purchase inspection (PPI) is strongly recommended regardless of the seller's assurances or the car's service history.

❓ Common Questions About the Mazda CX-30

YEAR: All 2022 2019 2016 2015 2014 2013

🔧 Reported Faults


🟢
Mazda CX-30 2016 CVT transmission shudder and jerking
2016 💰 $150–$4000 USD
1 fix
👁 2,084
🟢
Mazda CX-30 2022 Transmission slipping between gears
2022
1 fix
👁 2,012
🟢
Mazda CX-30 2016 P0300 random misfire rough idle
P0300 2016
1 fix
👁 1,861
🟢
Mazda CX-30 2016 Battery draining overnight parasitic drain
2016
1 fix
👁 1,609
🟢
Mazda CX-30 2014 Alternator warning light battery not charging
2014
1 fix
👁 1,483
🟢
Mazda CX-30 2019 Timing chain rattle on cold start
2019 💰 $800–$3500 USD
1 fix
👁 1,383
🟢
Mazda CX-30 2015 Wheel bearing humming noise while driving
2015
1 fix
👁 1,234
🟢
Mazda CX-30 2013 Fuel economy dropped poor MPG
2013
1 fix
👁 1,190
🟢
Mazda CX-30 2015 ABS warning light on
2015
1 fix
👁 1,160
🟢
Mazda CX-30 2019 Alternator warning light battery not charging
2019
1 fix
👁 1,126
🟢
Mazda CX-30 2022 Fuel economy dropped poor MPG
2022
1 fix
👁 1,102
🟢
Mazda CX-30 2019 Engine oil leak from valve cover
2019
1 fix
👁 988
🟢
Mazda CX-30 2022 Coolant leak from engine area
2022
1 fix
👁 911
🟢
Mazda CX-30 2013 Power steering heavy and whining
2013
1 fix
👁 854
🟢
Mazda CX-30 2014 Front suspension clunking over bumps
2014 💰 $150–$1200 USD
1 fix
👁 723
🟢
Mazda CX-30 2022 Exhaust rattle noise from underneath
2022
1 fix
👁 615
🟢
Mazda CX-30 2015 AC not blowing cold air compressor issue
2015
1 fix
👁 601
🟢
Mazda CX-30 2013 Check engine light P0171 lean mixture
P0171 2013
1 fix
👁 585
🟢
Mazda CX-30 2015 Exhaust rattle noise from underneath
2015
1 fix
👁 565
🟢
Mazda CX-30 2014 Exhaust rattle noise from underneath
2014
1 fix
👁 540
🟢
Mazda CX-30 2014 AC not blowing cold air compressor issue
2014
1 fix
👁 519
🟢
Mazda CX-30 2019 Engine overheating temperature gauge high
2019
1 fix
👁 513
🟢
Mazda CX-30 2013 Wheel bearing humming noise while driving
2013
1 fix
👁 444
🟢
Mazda CX-30 2016 Exhaust rattle noise from underneath
2016
1 fix
👁 385

🚗 Drivers Also Viewed

Mazda CX-5 30 faults → Mazda Mazda3 25 faults → Mazda Mazda6 24 faults →

Own a Mazda CX-30?

Share your fault or fix and help other owners save money.

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🩺 Common Symptoms
Exhaust rattle noise from underneath AC not blowing cold air Alternator warning light — battery not charging Wheel bearing humming noise while driving Fuel economy dropped — poor MPG CVT shudder at 35–45 mph
🔢 Common OBD Codes
P0300 P0171
🔧
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