What are the most common Acura TLX problems?
According to Au7o's analysis of 4,050+ owner reports, the 2018 Acura TLX has 7 documented issues. The most frequently reported are: 9-Speed Automatic Transmission Shudder and Harsh Shifting, J35 3.5L V6 Connecting Rod Bearing Wear and Engine Seizure (Recall 23V751000), In-Tank Low-Pressure Fuel Pump Impeller Failure Causing Stall Without Warning (Recalls 19V060000, 21V215000, 23V858000). Of these, 3 are rated critical and should be addressed promptly.
Is the Acura TLX reliable?
The 2018 Acura TLX has 7 known issues documented across 4,050+ owner reports. 3 issues are rated critical: 9-Speed Automatic Transmission Shudder and Harsh Shifting and J35 3.5L V6 Connecting Rod Bearing Wear and Engine Seizure (Recall 23V751000) and In-Tank Low-Pressure Fuel Pump Impeller Failure Causing Stall Without Warning (Recalls 19V060000, 21V215000, 23V858000). 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 $0 to $13,000, 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 J35 3.5L V6 Connecting Rod Bearing Wear and Engine Seizure (Recall 23V751000)?
First-generation (UB1/UB2) TLX models built with the J35 3.5L V6 suffer a manufacturing defect in the connecting rod bearings. Improperly finished crankshaft journals / bearing clearances cause the rod bearing to wear, spin and eventually seize. Owners report a developing knock o… Repairs typically run $0-$13,000. Severity: high.
What is the 2015-2023 Acura TLX In-Tank Low-Pressure Fuel Pump Impeller Failure Causing Stall Without Warning (Recalls 19V060000, 21V215000, 23V858000)?
The Denso in-tank low-pressure fuel pump module used across the first-generation TLX fails, causing hesitation, hard starting and complete engine stall - often at speed or mid-turn. Two distinct defect mechanisms were recalled: particulates in fuel adhering to internal pump compo… Repairs typically run $0-$1,200. 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.
What is the 2018-2023 Acura TLX Front Passenger Occupant Classification Seat Weight Sensor Cracking and Short Circuit (Recalls 24V064000, 26V332000)?
The front passenger seat weight sensor that feeds the occupant classification system cracks and short circuits. Two separate campaigns cover TLX: 24V064000 (2020-2021 TLX, sensor cracks so the system fails to suppress the passenger airbag as intended) and the later, broader 26V33… Repairs typically run $0-$0. Severity: medium.
What is the 2015-2022 Acura TLX AcuraWatch CMBS False Emergency Braking and Cascading ADAS Warning Cluster?
The AcuraWatch front camera and millimeter-wave radar produce false Collision Mitigation Braking System activations - the car brakes hard, sometimes to a full stop, with no vehicle or obstacle ahead. NHTSA filings on the 2018 TLX describe the 'frontal crash mitigation feature sud… Repairs typically run $0-$1,800. Severity: medium.
What is the 2015-2020 Acura TLX Precision All-Wheel Steer (P-AWS) Rear Steering Actuator Failure?
P-AWS is TLX-specific hardware: two independent electric actuators toe the rear wheels for low-speed agility and high-speed stability, fitted to first-generation front-drive TLX models (the SH-AWD cars use the rear drive unit instead). The actuators fail - electrically and mechan… Repairs typically run $2,500-$9,500. Severity: medium.
