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Mazda · Known Issues

2009 Mazda Mazda6 Problems: 7 Known Issues

2009 model year · 5,800+ owner reports · Updated September 2026

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Issue summary

According to Au7o's analysis of 5,800+ owner reports, the 2009 Mazda Mazda6 has 7 documented known issues, with 5 rated critical. The most serious are Subframe and Underbody Rust / Corrosion ($500-$3,000 repair), Variable Valve Timing (VVT) Actuator Failure ($400-$1,200 repair), Front Subframe / Cross Member Corrosion (Recall 19V323 for 2011-2013), Takata Passenger Airbag Inflator Rupture (Do Not Drive) and Front Lower Control Arm Ball Joint Premature Wear ($300-$800 repair). The most commonly reported issue is Subframe and Underbody Rust / Corrosion with 3,200 owner reports. Across all issues with published estimates, repair costs range from $250 to $3,000. DIY maintenance guides at au7o.io.

In This Article

  • Mazda6 Suspension2
  • Mazda6 Body/Panels1
  • Mazda6 Engine1
  • Mazda6 Safety/Recalls1
  • Mazda6 Brakes1
  • Mazda6 Interior1
  • Recalls3
  • FAQ
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In This Article

  • Suspension2
  • Body/Panels1
  • Engine1
  • Safety/Recalls1
  • Brakes1
  • Interior1
  • Recalls3
  • FAQ

All 7 Known Issues

Filter:
ALL YEARS2021202020192018201720162015201420132012201120102009200820072006200520042003

On the 2009-2016 Mazda Mazda6, mazda6 sedans have a history of corrosion at the front cross member where two suspension components connect, caused by insufficient paint coverage. Severe rust can weaken the connection and cause steering alignment to change unexpectedly. 2011-2013 models in salt-belt states were officially recalled (NHTSA 19V323), and owners of 2014-2016 cars have filed NHTSA complaints reporting similar subframe/underbody corrosion.

Common Symptoms

  • Visible heavy rust on front subframe or cross member
  • Clunking or looseness in front suspension
  • Steering pulls or alignment changes
  • Flaking underbody metal

How to Fix

For recalled 2011-2013 cars, Mazda inspects and repairs/reinforces or replaces the corroded cross member free of charge. For non-recalled years, owners should have the subframe inspected, treat surface rust, and replace structurally compromised components; rustproofing is recommended in salt regions.

Research This Issue

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Community Reported
High ConfidenceVerifiedReviewed Jun 2026

On the 2009-2013 Mazda Mazda6, second-generation Mazda6 models are known for premature front lower control arm ball joint wear, sometimes as early as 40,000-60,000 miles. The ball joint boots crack and allow grease to escape and moisture to enter, accelerating wear. A failed ball joint is a serious safety concern as it can cause loss of steering control. Mazda issued a recall (NHTSA 14V-373) for some 2009-2010 models.

Common Symptoms

  • Clunking or popping noise over bumps
  • Steering wheel vibration
  • Vehicle pulls to one side
  • Uneven front tire wear
  • Loose or wandering steering feel

How to Fix

Replace the front lower control arms (the ball joints are not separately serviceable). Use OEM or quality aftermarket arms (Mevotech, Moog). Replace both sides even if only one is worn, as the other is likely not far behind. Perform a front-end alignment after replacement. Check if your VIN is covered under the recall for free repair.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Mevotech Supreme front driver-side lower control arm and ball joint assembly CMS761171
    OEMMevotech CMS761171

    Left/driver lower-arm branch after inspection proves ball-joint or arm-bushing failure Fitment/availability: The inspected direct page identifies CMS761171 as the front driver-side lower control arm and ball-joint assembly, includes bush…

    Auto Parts Prime
  • Mevotech Supreme front passenger-side lower control arm and ball joint assembly CMS761172
    OEMMevotech CMS761172

    Right/passenger lower-arm branch after inspection proves ball-joint or arm-bushing failure Fitment/availability: The inspected direct page identifies CMS761172 as the front passenger-side lower control arm and ball-joint assembly, includ…

    Auto Parts Prime

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$300 - $800

Research This Issue

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Community Reported
Medium Confidence
Community reported
3,200 owners

On the 2003-2015 Mazda Mazda6, first and second generation Mazda6 models are prone to severe underbody rust, particularly in the rear subframe, control arm mounting points, and rocker panels. Road salt accelerates corrosion to the point where structural integrity is compromised. Mazda issued TSB 09-007/15 and extended warranty coverage for subframe replacement in some regions.

Common Symptoms

  • Visible rust on subframe and underbody components
  • Clunking noises from rear suspension due to weakened mounts
  • Failed safety inspection due to structural corrosion
  • Rear suspension alignment cannot be maintained

How to Fix

Subframe replacement if corrosion is severe. Mazda offered a recall/extended coverage program for subframe replacement (09-007/15). Rust-proofing and undercoating on less-affected vehicles can prevent further deterioration.

Owner tips & cautions

  • TipCheck with Mazda dealer for extended warranty/goodwill coverage on subframe replacement
  • TipAnnual undercoating is essential in salt-belt regions - Mazda6Club.com rust mega-thread
Typical repair cost:$500 - $3,000

Research This Issue

Based on 3,200 owner reports

GoogleRedditYouTubeNHTSA
Community Reported
High ConfidenceVerified3,200 owner reportsLast reported by owners Jun 2024Reviewed Feb 2026
Community reported
1,400 owners

On the 2009-2021 Mazda Mazda6, the exhaust-side VVT actuator (cam phaser) fails due to oil sludge and wear, causing timing codes and engine rattle. The actuator solenoid can also stick, leading to incorrect valve timing. Oil change neglect accelerates failure. Common on both MZR and early SkyActiv 2.5L engines.

This issue also affects: Mazda CX-7, Mazda CX-9, Mazda Mazdaspeed6

Common Symptoms

  • Rattling noise on cold start (chain slap)
  • Check engine light with P0012 or P0022 cam timing codes
  • Rough idle and stalling at stop lights
  • Reduced power and poor fuel economy

How to Fix

Replace VVT actuator/cam phaser assembly and VVT solenoid. Use Mazda-spec 0W-20 full synthetic oil and replace at 5,000-mile intervals to prevent sludge. Check timing chain stretch while servicing.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Mazda genuine electric intake VVT actuator PE01-12-4X0B
    OEMMazda PE01-12-4X0B

    Electric intake VVT actuator after the bulletin PID test confirms actuator failure Fitment/availability: The inspected direct page identifies genuine Mazda PE01-12-4X0B as the actuator and lists 2014-2017 Mazda6 2.5L applications.

    MazdaPartsNow

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Owner tips & cautions

  • TipUse full synthetic 0W-20 (Mazda spec) and change oil every 5,000 miles max - Mazda6Club.com VVT thread
  • TipInspect timing chain stretch when replacing VVT - may need chain replacement at high mileage
Typical repair cost:$400 - $1,200

Research This Issue

Based on 1,400 owner reports

GoogleRedditYouTubeNHTSA
Community Reported
High ConfidenceVerified1,400 owner reportsLast reported by owners Aug 2024Reviewed Feb 2026

On the 2003-2013 Mazda Mazda6, the passenger-side Takata airbag inflators in 2003-2013 Mazda6 vehicles can degrade over time, especially in high-heat and high-humidity climates. When deployed, the inflator can rupture and spray sharp metal fragments into the cabin. NHTSA has flagged certain Mazda6 model years under a 'Do Not Drive' warning because test data shows a far higher rupture risk than other recalled Takata inflators. Some vehicles initially repaired with like-for-like Takata parts were recalled a second time for a final redesigned inflator.

Common Symptoms

  • Airbag warning light illuminated or flashing
  • Vehicle appears on NHTSA Do Not Drive recall list
  • Recall notice received by mail

How to Fix

Free recall repair at a Mazda dealer replaces the defective inflator with a redesigned part. Owners should check their VIN at NHTSA and not drive the vehicle until the repair is completed if it is under a Do Not Drive advisory.

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Research This Issue

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Community Reported
High ConfidenceVerifiedReviewed Jun 2026
Community reported
1,200 owners

On the 2009-2021 Mazda Mazda6, rear brake calipers seize due to corrosion of slide pins and the integrated parking brake mechanism. Salt-belt vehicles are especially affected. Causes dragging brakes, uneven pad wear, and premature rotor warping. The parking brake cable can also corrode and prevent full caliper release.

This issue also affects: Mazda Mazda3

Common Symptoms

  • Rear brake dragging and heat buildup
  • Uneven rear pad wear (inner pad worn significantly more)
  • Vehicle pulls to one side during braking
  • Burning brake smell after short drives

How to Fix

Replace or rebuild rear calipers, replace slide pins, and lubricate with silicone-based brake grease. Replace parking brake cables if corroded. Annual brake maintenance prevents recurrence.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Centric remanufactured rear driver-side brake caliper 141.61556
    OEMCentric 141.61556

    Left/driver rear caliper after hydraulic and mechanical tests prove the caliper piston or parking-brake actuator is seized or leaking Fitment/availability: The inspected direct page identifies Centric 141.61556 as a semi-loaded rear driv…

    Auto Parts Prime
  • Centric remanufactured rear passenger-side brake caliper 141.61555
    OEMCentric 141.61555

    Right/passenger rear caliper after hydraulic and mechanical tests prove the caliper piston or parking-brake actuator is seized or leaking Fitment/availability: The inspected direct page identifies Centric 141.61555 as a semi-loaded rear …

    Auto Parts Prime

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Owner tips & cautions

  • TipService rear brakes annually - clean and lube slide pins with CRC Silaramic brake grease
  • TipEngage parking brake daily to keep cable from seizing - Mazda6Club.com brakes forum
Typical repair cost:$250 - $650

Research This Issue

Based on 1,200 owner reports

GoogleRedditYouTubeNHTSA
Community Reported
High ConfidenceVerified1,200 owner reportsLast reported by owners Sep 2024Reviewed Feb 2026

On the 2009-2013 Mazda Mazda6, mazda SSPA0 applies to certain 2009-2013 Mazda6 vehicles produced from February 4, 2008 through August 24, 2012. Heat and humidity can deteriorate the crash-pad surface until it becomes sticky. The program extended coverage for verified sticky surfaces to 10 years from the original warranty start date; discoloration, warping and splitting were excluded.

Common Symptoms

  • sticky or tacky upper dashboard surface after heat exposure
  • glare or residue from a deteriorated crash-pad surface

How to Fix

Verify the sticky-surface condition and the vehicle's VIN/build range. Ask a Mazda dealer whether any coverage or goodwill remains, but do not promise a free repair in 2026 because the ten-year extension may have expired. Do not buy a crash pad or coating kit from this page; diagnosis, current coverage and the VIN-specific service part must be confirmed.

Research This Issue

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026
NHTSA Recalls3 recalls

ENGINE

Mazda North American Operations (Mazda) is recalling certain 2018-2019 CX-5, Mazda6, and 2019 Mazda3 vehicles. A software error in the powertrain control module (PCM) may cause the engine to stall.

Campaign #19V49700027/06/2019

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Mazda North American Operations (Mazda) is recalling certain 2018 Mazda3, Mazda6, 2019 CX-3, 2018-2019 MX-5, CX-5, CX-9, and 2019-2020 Mazda2 vehicles. The impeller inside the low-pressure fuel pump may crack and deform, potentially causing the fuel pump to fail.

Campaign #21V87500012/11/2021

EXTERIOR LIGHTING:TURN SIGNAL

Mazda North American Operations (Mazda) is recalling certain model year 2017 Mazda6 vehicles manufactured August 12, 2016, to September 28, 2016 and equipped with optional accessory fog lights. Due to an incorrect combination switch being installed, the turn signals may not automatically cancel by the rotation of the steering wheel. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."

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Other Mazda Models

Mazda CX-530Mazda CX-6027Mazda CX-5026Mazda MX-5 Miata22Mazda MX-621Mazda Mazda319

Frequently Asked Questions

What are the most common Mazda Mazda6 problems?

According to Au7o's analysis of 5,800+ owner reports, the 2009 Mazda Mazda6 has 7 documented issues. The most frequently reported are: Subframe and Underbody Rust / Corrosion, Variable Valve Timing (VVT) Actuator Failure, Front Subframe / Cross Member Corrosion (Recall 19V323 for 2011-2013). Of these, 5 are rated critical and should be addressed promptly.

Is the Mazda Mazda6 reliable?

The 2009 Mazda Mazda6 has 7 known issues documented across 5,800+ owner reports. 5 issues are rated critical: Subframe and Underbody Rust / Corrosion and Variable Valve Timing (VVT) Actuator Failure and Front Subframe / Cross Member Corrosion (Recall 19V323 for 2011-2013) and Takata Passenger Airbag Inflator Rupture (Do Not Drive) and Front Lower Control Arm Ball Joint Premature Wear. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Mazda Mazda6 problems?

Repair costs for known Mazda Mazda6 issues range from $250 to $3,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Subframe and Underbody Rust / Corrosion, typically costs $500-$3,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2003-2015 Mazda Mazda6 Subframe and Underbody Rust / Corrosion?

First and second generation Mazda6 models are prone to severe underbody rust, particularly in the rear subframe, control arm mounting points, and rocker panels. Road salt accelerates corrosion to the point where structural integrity is compromised. Mazda issued TSB 09-007/15 and… Repairs typically run $500-$3,000. Severity: high.

What is the 2009-2021 Mazda Mazda6 Variable Valve Timing (VVT) Actuator Failure?

The exhaust-side VVT actuator (cam phaser) fails due to oil sludge and wear, causing timing codes and engine rattle. The actuator solenoid can also stick, leading to incorrect valve timing. Oil change neglect accelerates failure. Common on both MZR and early SkyActiv 2.5L engines… Repairs typically run $400-$1,200. Severity: high.

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data sourced from 5,800+ owner reports, NHTSA recalls, TSBs, and automotive forums.

Campaign #16V75300018/10/2016

Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.

What is the 2009-2016 Mazda Mazda6 Front Subframe / Cross Member Corrosion (Recall 19V323 for 2011-2013)?

Mazda6 sedans have a history of corrosion at the front cross member where two suspension components connect, caused by insufficient paint coverage. Severe rust can weaken the connection and cause steering alignment to change unexpectedly. 2011-2013 models in salt-belt states were… Severity: high.

What is the 2003-2013 Mazda Mazda6 Takata Passenger Airbag Inflator Rupture (Do Not Drive)?

The passenger-side Takata airbag inflators in 2003-2013 Mazda6 vehicles can degrade over time, especially in high-heat and high-humidity climates. When deployed, the inflator can rupture and spray sharp metal fragments into the cabin. NHTSA has flagged certain Mazda6 model years… Severity: high.

What is the 2009-2013 Mazda Mazda6 Front Lower Control Arm Ball Joint Premature Wear?

Second-generation Mazda6 models are known for premature front lower control arm ball joint wear, sometimes as early as 40,000-60,000 miles. The ball joint boots crack and allow grease to escape and moisture to enter, accelerating wear. A failed ball joint is a serious safety conc… Repairs typically run $300-$800. Severity: high.

What is the 2009-2021 Mazda Mazda6 Rear Brake Caliper Seizing?

Rear brake calipers seize due to corrosion of slide pins and the integrated parking brake mechanism. Salt-belt vehicles are especially affected. Causes dragging brakes, uneven pad wear, and premature rotor warping. The parking brake cable can also corrode and prevent full caliper… Repairs typically run $250-$650. Severity: medium.

What is the 2009-2013 Mazda Mazda6 Melting / Sticky Dashboard Crash Pad?

Mazda SSPA0 applies to certain 2009-2013 Mazda6 vehicles produced from February 4, 2008 through August 24, 2012. Heat and humidity can deteriorate the crash-pad surface until it becomes sticky. The program extended coverage for verified sticky surfaces to 10 years from the origin… Severity: low.