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Acura · Known Issues

2011 Acura RDX Problems: 5 Known Issues

2011 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026

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Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2011 Acura RDX has 5 documented known issues, with 1 rated critical. The most serious is Takata Driver's Frontal Airbag Inflator Rupture (Safety Recall) ($0-$0 repair). Across all issues with published estimates, repair costs range from $90 to $2,500. DIY maintenance guides at au7o.io.

In This Article

  • RDX Safety/Recalls1
  • RDX Transmission1
  • RDX Drivetrain1
  • RDX Electrical1
  • RDX Engine1
  • Recalls5
  • FAQ
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In This Article

  • Safety/Recalls1
  • Transmission1
  • Drivetrain1
  • Electrical1
  • Engine1
  • Recalls5
  • FAQ

All 5 Known Issues

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ALL YEARS2025202420232022202120202019201820172016201520142013201220112010200920082007

On the 2007-2016 Acura RDX, the RDX is included in the Takata airbag inflator recalls covering Honda and Acura vehicles. In affected first- and second-generation RDXs the driver's frontal airbag inflator can degrade with age, humidity and temperature cycling and produce excessive internal pressure on deployment, rupturing the inflator housing and firing metal fragments into the cabin. A subsequent campaign (NHTSA 19V182, Acura code U40) covered vehicles that had already received a replacement inflator under an earlier remedy — those replacement inflators were themselves found to be capable of over-pressurizing due to a manufacturing anomaly. This is the highest-severity documented defect on the nameplate: Takata inflator ruptures have caused fatalities across the affected fleet.

Common Symptoms

  • No warning symptoms — defect is latent until deployment
  • SRS light may or may not be present

How to Fix

Free recall repair. Check the VIN at nhtsa.gov/recalls or Acura's owner recall lookup — a VIN check is required because coverage is by production range, and some cars were remedied once and then recalled again under the replacement-inflator campaign. Dealers replace the driver's airbag inflator or the complete airbag module at no charge with no mileage or ownership limit. Do not defer this repair.

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Typical repair cost:$0 - $0

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026

On the 2007-2012 Acura RDX, the 2007-2012 RDX's 5-speed automatic uses clutch pressure switches to confirm hydraulic apply of the 2nd and 3rd clutch packs. These switches are a recurring failure point on the first-generation car — the 3rd clutch switch most often. When one fails or its circuit shorts, the TCM sets P0847/P0848 and flags P0700 at the PCM, illuminating the check engine light and frequently the D light. The car may drop into a fail-safe gear pattern with harsh or limited shifting. This is an electrical/sensor failure, not internal clutch damage, and is regularly misquoted by shops as a transmission rebuild.

This issue also affects: Acura CL, Acura ILX, Acura MDX

Common Symptoms

  • Check engine light with P0700
  • D indicator light blinking
  • Harsh or limited shifting / fail-safe gear
  • Loss of some forward gears
  • No other driveability symptoms when cold

How to Fix

Scan the TCM (not just generic P0700) to identify which clutch pressure switch circuit is faulted. Inspect the connector and harness for oil wicking and corrosion first — a contaminated connector reproduces the same code. Replace the failed 2nd or 3rd clutch pressure switch (a screw-in switch on the transmission case) and change the fluid with genuine Honda ATF DW-1; do not substitute generic ATF, which degrades shift quality on this unit. No recall or warranty extension covers this.

Typical repair cost:$150 - $500

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Low ConfidenceVerifiedReviewed Aug 2026

On the 2007-2012 Acura RDX, the first-generation RDX was Acura's SH-AWD application in this body, and its rear differential carries clutch packs that depend on the friction properties of Acura Dual Pump Fluid (DPSF). The fluid is easy to overlook — many owners coming from front-drive cars never touch it — and once it breaks down the clutch packs chatter. Owners report a groaning, shuddering or binding sensation in tight low-speed turns (parking lots, U-turns) and a whine from the rear that changes pitch with road speed. Left unaddressed the clutch packs wear and the SH-AWD system loses rear torque distribution, eventually setting AWD warnings.

Common Symptoms

  • Groaning or shudder in tight slow turns
  • Whine from the rear that rises with speed
  • Binding feel during parking maneuvers
  • AWD system warning light in later stages

How to Fix

Drain and refill the rear differential with genuine Acura DPSF (Dual Pump Fluid) — never a generic gear oil or LSD additive, which will not restore the correct friction characteristic. Acura calls for the fluid roughly every 30,000 miles or 3 years; on a car with unknown history, two back-to-back drain-and-fills often clears the chatter. If groaning persists after a correct fluid service, the clutch packs or the differential's solenoid valves are worn and the unit needs internal repair or replacement. No recall applies.

Typical repair cost:$90 - $2,500

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Community Reported
Low ConfidenceVerifiedReviewed Aug 2026

On the 2007-2018 Acura RDX, repeat dead batteries on the 2007-2012 and 2013-2018 RDX are frequently traced not to the battery or alternator but to an accessory module that never goes to sleep. AcuraZine threads dedicated to RDX battery drain identify the Hands-Free Link (HFL)/Bluetooth module as the single most common offender — owners report replacing battery and alternator with no change, then finding the draw disappears the moment the HFL unit is unplugged. The under-console audio amplifier and stuck door-lock actuators are the other recurring culprits, and the 2G forum documents the drain isolating to a specific interior fuse. Acura's service spec is 42 mA or less of parasitic draw after modules sleep; failed units commonly pull hundreds of milliamps and will flatten a healthy battery in one to three days of sitting.

Common Symptoms

  • Dead battery after sitting one to three days
  • Repeat battery replacements that do not fix it
  • Clicking or no-crank on a car driven regularly
  • Parasitic draw well above 42 mA on a meter
  • Bluetooth/phone system behaving oddly before the drain starts

How to Fix

Confirm the battery and charging system are good first, then perform a proper parasitic draw test: let all modules time out, then pull fuses one at a time until the draw drops below the 42 mA spec. Most documented fixes are replacing or disconnecting the HFL/Bluetooth module, replacing the audio amplifier, or replacing a stuck door-lock actuator. Also rule out owner-added dash cams wired to constant 12V, a common self-inflicted cause. No recall covers this; a battery maintainer is only a band-aid.

Typical repair cost:$150 - $900

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Low ConfidenceVerifiedReviewed Aug 2026

On the 2007-2012 Acura RDX K23A1 2.3L Turbo I4, the first-generation RDX's K23A1 2.3L turbocharged four is unique in the Honda/Acura lineup, and its most commonly reported hard failure is not the turbo cartridge itself but the variable-flow wastegate actuator that controls it. The rubber diaphragm inside the flow actuator tears with age and heat cycling (owners commonly report this in the 90,000-130,000 mile range), so the actuator can no longer hold or modulate the wastegate arm. The result is underboost or overboost codes, a check engine light, and reduced power. Owners on AcuraZine repeatedly report dealers quoting a complete turbocharger assembly replacement (quotes as high as several thousand dollars) for what is usually an actuator, solenoid, vacuum-line or linkage fault. The vacuum lines, boost control solenoid, wiring and wastegate linkage are all more likely to fail on this engine than the turbo bearings.

This issue also affects: Honda Accord, Honda Civic

Common Symptoms

  • Check engine light with boost-related codes
  • Noticeable loss of power / feels non-turbo
  • Limp mode under acceleration
  • Hissing or vacuum leak sound from engine bay
  • Boost gauge or scan-tool boost lower than spec

How to Fix

Diagnose before condemning the turbo: smoke- or vacuum-test the flow actuator diaphragm, inspect all boost-control vacuum lines for cracking and the wastegate arm for seized/worn linkage, and test the boost control solenoid. In most documented cases replacing the flow actuator (and solenoid/vacuum lines as needed) restores normal boost at a fraction of the turbo-assembly quote. There is no recall or warranty extension for this failure. Full turbo replacement is only warranted if there is shaft play, exhaust-side damage, or oil-seal failure.

Typical repair cost:$400 - $2,200

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High ConfidenceVerifiedReviewed Aug 2026
NHTSA Recalls5 recalls

AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Honda (American Honda Motor Co.) is recalling specific 2003 Acura 3.2CL, 2013-2016 ILX, 2013-2014 ILX Hybrid, 2003-2006 MDX, 2007-2016 RDX, 2002-2003 3.2TL, 2004-2006, and 2009-2014 TL, 2010-2013 ZDX and 2001-2007 and 2009 Honda Accord, 2001-2005 Civic, 2003-2005 Civic Hybrid, 2001-2005 Civic GX NGV, 2002-2007 and 2010-2011 CR-V, 2003-2011 Element, 2007 Fit, 2002-2004 Odyssey, 2003-2008 Pilot, and 2006-2014 Ridgeline vehicles. The affected vehicles received a replacement driver air bag inflator as part of a previous Takata inflator recall remedy or a replacement driver air bag module containing the same inflator type as a service part. Due to a manufacturing error, in the event of a crash necessitating deployment of the driver frontal air bag, these inflators may explode.

Campaign #19V18200006/03/2019

AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Honda (American Honda Motor Co.) is recalling certain model year 2007-2011 Honda CR-V, 2011-2015 CR-Z, 2010-2014 FCX, and Insight, 2009-2013 Fit, 2013-2014 Fit EV, 2007-2014 Ridgeline, 2013-2016 Acura ILX, 2013-2014 Acura ILX Hybrid, 2007-2016 RDX, 2005-2012 Acura RL, 2009-2014 Acura TL, and 2010-2013 Acura ZDX vehicles. The affected vehicles are equipped with a dual-stage driver frontal air bag that may be susceptible to moisture intrusion which, over time, could cause the inflator to rupture.

Campaign #16V061000
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Other Acura Models

Acura Integra19Acura TLX15Acura TL14Acura RSX14Acura MDX12Acura ILX12

Frequently Asked Questions

What are the most common Acura RDX problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2011 Acura RDX has 5 documented issues. The most frequently reported are: Takata Driver's Frontal Airbag Inflator Rupture (Safety Recall), 5-Speed Automatic 2nd/3rd Clutch Transmission Fluid Pressure Switch Failure (P0847/P0848/P0700), SH-AWD Rear Differential Clutch Chatter and Whine from Degraded DPSF Fluid. Of these, 1 is rated critical and should be addressed promptly.

Is the Acura RDX reliable?

The 2011 Acura RDX has 5 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: Takata Driver's Frontal Airbag Inflator Rupture (Safety Recall). 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 Acura RDX problems?

Repair costs for known Acura RDX issues range from $0 to $2,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Takata Driver's Frontal Airbag Inflator Rupture (Safety Recall), typically costs $0-$0 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2007-2016 Acura RDX Takata Driver's Frontal Airbag Inflator Rupture (Safety Recall)?

The RDX is included in the Takata airbag inflator recalls covering Honda and Acura vehicles. In affected first- and second-generation RDXs the driver's frontal airbag inflator can degrade with age, humidity and temperature cycling and produce excessive internal pressure on deploy… Repairs typically run $0-$0. Severity: high.

What is the 2007-2012 Acura RDX 5-Speed Automatic 2nd/3rd Clutch Transmission Fluid Pressure Switch Failure (P0847/P0848/P0700)?

The 2007-2012 RDX's 5-speed automatic uses clutch pressure switches to confirm hydraulic apply of the 2nd and 3rd clutch packs. These switches are a recurring failure point on the first-generation car — the 3rd clutch switch most often. When one fails or its circuit shorts, the T… Repairs typically run $150-$500. Severity: medium.

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 compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.

03/02/2016

EQUIPMENT:OTHER:LABELS

Honda (American Honda Motor Co.) is recalling certain 2017 CR-V and Acura RDX vehicles. The Certification Labels on the affected vehicles were printed with ink that may be inadvertently wiped away with an alcohol solvent. As such, these vehicles fail to comply with the requirements of 49 CFR Part 567, "Certification."

Campaign #17V25600018/04/2017

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Honda (American Honda Motor Co.) is recalling certain 2013-2023 Honda Accord, Civic Coupe, Civic Sedan, Civic Hatchback, Civic Type R, CR-V, HR-V, Ridgeline, Odyssey, Acura ILX, MDX, MDX Hybrid, RDX, RLX, TLX, 2019-2022 Honda Insight, Passport, 2020 Honda CR-V Hybrid, 2018-2019 Honda Clarity PHEV, Fit, and 2015-2020 Honda Accord Hybrid, Pilot, Acura NSX vehicles. The fuel pump inside the fuel tank may fail.

Campaign #23V85800018/12/2023

AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Honda (American Honda Motor Co.) is recalling certain 2013 Acura ILX, 2015 RDX, 2005-2010 and 2012 RL, 2009-2014 TL, 2010 and 2012 ZDX, 2007-2011 CR-V, 2011-2013 and 2015 CR-Z, 2009-2013 Fit, 2013 Fit EV, 2010-2011 and 2013 Insight and 2007-2014 Ridgeline vehicles. These vehicles are equipped with driver frontal air bag inflators assembled as a recall remedy part or replacement service part, that may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.

Campaign #19V50000027/06/2019

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

What is the 2007-2012 Acura RDX SH-AWD Rear Differential Clutch Chatter and Whine from Degraded DPSF Fluid?

The first-generation RDX was Acura's SH-AWD application in this body, and its rear differential carries clutch packs that depend on the friction properties of Acura Dual Pump Fluid (DPSF). The fluid is easy to overlook — many owners coming from front-drive cars never touch it — a… Repairs typically run $90-$2,500. Severity: medium.

What is the 2007-2018 Acura RDX Parasitic Battery Drain from Hands-Free Link (HFL) and Audio Amplifier Modules?

Repeat dead batteries on the 2007-2012 and 2013-2018 RDX are frequently traced not to the battery or alternator but to an accessory module that never goes to sleep. AcuraZine threads dedicated to RDX battery drain identify the Hands-Free Link (HFL)/Bluetooth module as the single… Repairs typically run $150-$900. Severity: medium.

What is the 2007-2012 Acura RDX K23A1 Turbocharger Wastegate Flow Actuator Diaphragm Tears Causing Boost Loss and Limp Mode?

The first-generation RDX's K23A1 2.3L turbocharged four is unique in the Honda/Acura lineup, and its most commonly reported hard failure is not the turbo cartridge itself but the variable-flow wastegate actuator that controls it. The rubber diaphragm inside the flow actuator tear… Repairs typically run $400-$2,200. Severity: medium.