According to Au7o's analysis of 4,050+ owner reports, the 2016 Acura TLX has 2 documented known issues, with 1 rated critical. The most serious is 9-Speed Automatic Transmission Shudder and Harsh Shifting ($200-$2,800 repair). The most commonly reported issue is 9-Speed Automatic Transmission Shudder and Harsh Shifting with 2,200 owner reports. Across all issues, repair costs range from $200 to $2,800. DIY maintenance guides at au7o.io.
On the 2015-2020 Acura TLX 3.5L J35Y6 V6, the ZF 9HP 9-speed automatic transmission paired with the V6 in first-gen TLX models exhibits a pronounced shudder during low-speed acceleration and harsh shifts between 2nd and 3rd gear. The torque converter lockup strategy causes a noticeable vibration between 25-45 mph that worsens in warm weather.
Shudder between 25-45 mph during light acceleration
Harsh 2-3 upshift
Hesitation on downshift
Vibration felt through steering wheel and seat
Transmission hunting between gears on hills
How to Fix
Perform a transmission fluid drain and refill with Honda DW-1 ATF. Update the transmission control module (TCM) to the latest calibration from Acura, which improves shift logic and torque converter lockup mapping. Severe cases may require torque converter replacement.
What Owners Are Using
Parts and tips from 2,200+ owners who fixed this issue
TipDrain and refill the 9-speed with Honda DW-1 every 30,000 miles. The shudder is often caused by degraded fluid. Two back-to-back drain-and-fills replace about 60% of total fluid volume.
High Confidence2,200 reportsLast reported by owners Jan 2026Reviewed Mar 2026
Community Reported
1,850 owners
On the 2015-2020 Acura TLX, the dual-screen infotainment system in first-generation TLX models suffers from severe lag, random freezes, and full system crashes requiring a restart. The upper navigation screen and lower touchscreen frequently lose sync, with Bluetooth audio dropping mid-stream and the backup camera failing to display.
Update infotainment firmware to the latest version via USB or dealer update. If freezing persists after the update, the head unit may need replacement with the revised hardware. Performing a factory reset can temporarily resolve lag but the issue typically returns.
What Owners Are Using
Parts and tips from 1,850+ owners who fixed this issue
TipHold the power/volume knob for 10 seconds to force a hard reboot. This clears the cache and resolves most temporary freezes without needing a dealer visit.
According to Au7o's analysis of 4,050+ owner reports, the 2016-2016 Acura TLX has 2 documented issues. The most frequently reported are: 9-Speed Automatic Transmission Shudder and Harsh Shifting, Infotainment System Lag, Freezing, and Crashes. Of these, 1 is rated critical and should be addressed promptly.
Is the Acura TLX reliable?
The 2016-2016 Acura TLX has 2 known issues documented across 4,050+ owner reports. 1 issue is rated critical: 9-Speed Automatic Transmission Shudder and Harsh Shifting. 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 TLX problems?
Repair costs for known Acura TLX issues range from $200 to $2,800, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 9-Speed Automatic Transmission Shudder and Harsh Shifting, typically costs $200-$2,800 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2015-2020 Acura TLX 9-Speed Automatic Transmission Shudder and Harsh Shifting?
The ZF 9HP 9-speed automatic transmission paired with the V6 in first-gen TLX models exhibits a pronounced shudder during low-speed acceleration and harsh shifts between 2nd and 3rd gear. The torque converter lockup strategy causes a noticeable vibration between 25-45 mph that wo… Repairs typically run $200-$2,800. Severity: high.
What is the 2015-2020 Acura TLX Infotainment System Lag, Freezing, and Crashes?
The dual-screen infotainment system in first-generation TLX models suffers from severe lag, random freezes, and full system crashes requiring a restart. The upper navigation screen and lower touchscreen frequently lose sync, with Bluetooth audio dropping mid-stream and the backup… 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.
