Which Acura have transmission problems?
Some Acura models have been associated with transmission problems, particularly older MDX, TL/TSX, and RL/RLX generations. Newer models generally show improved reliability, with fewer widespread issues.
This article examines which Acura families have had reported transmission problems, the common symptoms to watch for, potential causes, and how to verify coverage and repairs, including recalls and warranties. It aims to help buyers and owners understand risk areas and take informed steps to protect their vehicles.
Models commonly cited for transmission problems
MDX
MDX owners have occasionally reported transmission trouble as the SUVs age, including shifting irregularities and complaints about slipping or harsh shifts. These issues tend to be associated with higher-mileage examples of older model years.
- Symptoms often described: slipping, shuddering, hard or delayed shifts, and occasional failures to engage smoothly.
- Possible causes cited: valve-body wear or other hydraulic issues in older automatic transmissions, and, in some cases, torque-converter concerns.
- Repair considerations: diagnosis can be complex and costly; some repairs may be addressed under service bulletins or warranties depending on VIN and mileage.
Before listing the common concerns, note that these symptoms have appeared in owner forums and service reports more frequently on aging units rather than universally across the entire MDX lineup.
Concluding for MDX: If you own or are shopping an MDX, have any shifting concerns inspected promptly by a qualified mechanic and check for active recalls or service campaigns related to the transmission.
TL and TSX
TL and its sedan counterpart TSX have also shown reports of transmission-related complaints in certain years, particularly with traditional automatic transmissions that accumulate miles.
- Symptoms: rough or delayed shifts, occasional slipping, and inconsistent engagement between gears.
- Possible causes: valve-body wear, hydraulic circuit issues, or torque-converter-related problems in aging units.
- Repair considerations: may require software updates, valve-body work, or transmission replacement; costs can be significant; warranty status can influence coverage.
Before listing the common concerns, keep in mind these issues are not universal but have appeared in owner feedback and some service notes.
Concluding for TL/TSX: Prospective buyers should review maintenance history and request a transmission diagnostic if there have been any shifting concerns, and verify any open recalls or service bulletins on the VIN.
RL and RLX
Less common but still reported are transmission concerns in RL and RLX models, especially as those vehicles accumulate higher mileage. Some owners have noted shifting irregularities and occasional transmission noise.
- Symptoms: slipping, harsh or abrupt shifts, delayed engagement, or unusual transmission noises.
- Possible causes: aging valve bodies or hydraulic components, with some cases tied to wear in clutches or torque-converter elements.
- Repair considerations: may involve valve-body repairs, component replacements, or full transmission work; warranty coverage may apply depending on the vehicle’s age and mileage.
Before listing the typical issues, it’s important to understand these reports are not universal but have appeared in certain cohorts of these models.
Concluding for RL/RLX: If you’re evaluating an RL/RLX with high mileage, pay close attention to the transmission’s performance and check for any applicable service campaigns or recalls.
RDX
RDX reports regarding transmission reliability have been mixed, with some early and mid-2010s models experiencing hiccups in shifting or responsiveness, though later updates improved behavior in many units.
- Symptoms: occasional hesitation during takeoff, brief torque-converter shudder, or irregular upshifts.
- Possible causes: initial calibration or hydraulic control issues in older automatics; later generations benefited from refinement.
- Repair considerations: may be addressed with software updates, valve-body maintenance, or, in some cases, transmission replacement; verify coverage under any active recalls or extended warranties.
Before listing the typical concerns, recognize that experiences vary by model year and individual vehicle history.
Concluding for RDX: When shopping used, prioritize vehicles with solid maintenance records and ensure there are no outstanding recalls or service bulletins affecting the transmission.
What to do if you own or plan to buy a used Acura with transmission concerns
Transmission issues can be costly to repair, so take proactive steps to assess risk before purchase or while maintaining your vehicle.
- Test drive aggressively to reproduce symptoms: pay attention to slipping, shuddering, delays in engagement, or abrupt shifts.
- Check for recalls and service bulletins: use the NHTSA VIN lookup or ask the dealer about any open campaigns related to the transmission.
- Review maintenance history: confirm regular transmission fluid changes (per the owner's manual) and any prior repairs or software updates.
- Have a qualified mechanic inspect the transmission: a pre-purchase or routine inspection should focus on the valve body, torque converter, and overall hydraulic health.
- Verify warranty options: inquire about Honda/Acura extended warranties or coverage for specific transmission components if the vehicle is within eligible years/mileage.
Concluding: While not every Acura model will experience transmission problems, older units are more prone to these failures. Early diagnosis, informed shopping, and active maintenance can mitigate costly repairs and help preserve long-term reliability.
Summary
Across the Acura lineup, transmission problems tend to appear more often in older generations such as MDX, TL/TSX, RL/RLX, and some early RDX models. Newer models have benefited from continued refinement and generally show better reliability, though isolated issues and recalls can still occur. If you are buying used, prioritize a full transmission inspection, review service histories, and check for open recalls or service bulletins. For current owners, timely maintenance and documentation of any shifting symptoms are essential to minimizing repair costs and protecting vehicle performance.
