Service bulletins for the 2018 Acura TLX
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
92 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| BTI&12152021902 | 2021-12-22. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
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| BTI&11292021909 | 2021-12-03. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
| BTI&11162021904 | 2021-11-24. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
| BTI&10302021902 | 2021-11-03. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
| BTI&10132021901 | 2021-10-19. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
| BPaS09272021 | 2021-10-06. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
| BPaS09232021902 | 2021-10-06. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
| BPaS08302021 | 2021-09-02. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
| BPaS04222021902 | 2021-04-27. Service bulletin. ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 MDXs (non-Hybrid) & TLX V6s with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
| BPaS03302021901 | 2021-04-06. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 MDXs (non-Hybrid) & TLX V6s with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
| B19-003 | 2020-12-09. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. Service Bulletin - During a downshift from 9th or 8th gear to 7th gear or lower, a miscalculation in the TCM software causes the MIL to come on with DTC P0716 (input shaft [mainshaft] speed sensor [range/performance]). |
| B20-015 | 2020-11-03. Service bulletin. POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Service Bulletin - The transmission has intermittent harsh or jerky upshifts with steady acceleration. |
| B14-025 | 2020-09-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. Service Bulletin - The timing belt area chirps after the engine warms up. |
| B14-025 | 2020-08-14. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin - The timing belt area makes a chirping noise after the engine warms up. |
| BPaS06152020 | 2020-06-25. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2014-2019 MDXs & 2015-2019 TLX with a client complaint of a fuel leak at the fuel joint pipe. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
| BPaS05292020 | 2020-06-04. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2014-2019 MDXs & 2015-2019 TLX with a client complaint of a fuel leak at the fuel joint pipe. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind. |
| B20-013 | 2020-03-11. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Service Bulletin - The navigation display distorts after driving 1 or more hours. Also, the distance and time to travel does not update, the navigation icon shows the vehicle in the wrong location, and the touch screen does not respond. |
| BPaS02202020901 | 2020-02-26. Service bulletin. EQUIPMENT; FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2014-2019 MDXs & 2015-2019 TLX with a client complaint of a fuel leak at the fuel joint pipe. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BPaS02052020 | 2020-02-11. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2014-2019 MDXs & 2015-2019 TLX with a client complaint of a fuel leak at the fuel joint pipe. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| B19-017 | 2019-11-26. Service bulletin. SEATS. Service Bulletin - There is a loud buzzing or whining when adjusting the driver's or front passenger's seat forward and backward. The flex cable in the seat adjustment mechanism is not correctly lubricated. |
| BPaS11142019903 | 2019-11-21. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT ADAPTIVE/MOBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 MDXs & TLXs with a client complaint of a chirp noise heard from inside the cabin or coming from the engine compartment. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BPaS10282019903 | 2019-11-05. Service bulletin. FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP; ENGINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 MDXs & TLXs with a client complaint of a chirp noise heard from inside the cabin or coming from the engine compartment. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BPaS10092019903 | 2019-10-26. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 MDXs & TLXs with a client complaint of a chirp noise heard from inside the cabin or coming from the engine compartment. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BPaS09252019903 | 2019-10-03. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 MDXs & TLXs with a client complaint of a chirp noise heard from inside the cabin or coming from the engine compartment. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
| BPaS09092019903 | 2019-09-18. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 MDXs & TLXs with a client complaint of a chirp noise heard from inside the cabin or coming from the engine compartment. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.