Service bulletins for the 2015 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.
430 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| BPaS03272018901 | 2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2016 TLX V6s & 2016 MDXs with a client complaint of a no-start condition that requires the 12V battery to be replaced. To fully 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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| BPaS03262018901 | 2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2016 TLX V6s & 2016 MDXs with a client complaint of a no-start condition that requires the 12V battery to be replaced. To fully 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. |
| BTS180301 | 2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Techline summary article - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2016 TLX V6s & 2016 MDXs with a client complaint of a no-start condition that requires the 12V battery to be replaced. To fully 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. |
| BPaS03232018901 | 2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2016 TLX V6s & 2016 MDXs with a client complaint of a no-start condition that requires the 12V battery to be replaced. To fully 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. |
| BPaS03212018901 | 2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2016 TLX V6s & 2016 MDXs with a client complaint of a no-start condition that requires the 12V battery to be replaced. To fully 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. |
| BPaS03202018901 | 2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2017 TLXs with a client complaint of A/C not cooling or blowing warm air. To fully 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. |
| BPaS03192018901 | 2018-04-16. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE AND ENGINE COOLING. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2016 TLX V6s & 2016 MDXs with a client complaint of a no-start condition that requires the 12V battery to be replaced. To fully 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. |
| BPaS03162018901 | 2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2016 TLX V6s & 2016 MDXs with a client complaint of a no-start condition that requires the 12V battery to be replaced. To fully 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. |
| BPaS03142018901 | 2018-04-16. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE AND ENGINE COOLING. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2016 TLX V6s & 2016 MDXs with a client complaint of a no-start condition that requires the 12V battery to be replaced. To fully 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. |
| BPaS03122018901 | 2018-04-16. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE AND ENGINE COOLING. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2016 TLX V6s & 2016 MDXs with a client complaint of a no-start condition that requires the 12V battery to be replaced. To fully 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. |
| BPaS03062018901 | 2018-04-16. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2016 TLX V6s & 2016 MDXs with a client complaint of a no-start condition that requires the 12V battery to be replaced. To fully 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. |
| BPaS03022018903 | 2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2016 TLX V6s & 2016 MDXs with a client complaint of a no-start condition that requires the 12V battery to be replaced. To fully 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. |
| BPaS03022018901 | 2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2017 TLXs with a client complaint of A/C not cooling or blowing warm air. To fully 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. |
| BTS160701 | 2018-03-13. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL; SEATS; TIRES; STRUCTURE. Tech line summary article - Are you feeling a vertical vibration in the front seats, the floor, and the accelerator pedal that starts as early as 50 mph, progressively gets worse as speed increases, then peaks around 70 to 75 mph? To cut down on this vibration, replace the tires with this new part number. |
| B17-027 | 2018-03-13. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Service bulletin - American Honda is extending the warranty on the 9-speed transmission warmers to 10 years from the original date of purchase with unlimited mileage. This warranty covers vehicles where the engine coolant and ATF mix because of an internal leak in the 9-speed transmission warmer. |
| B17-012 | 2018-03-13. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. Service bulletin - Some 9-speed transmission warmers were improperly manufactured and allow the engine coolant and ATF to mix. If the fluids mix, the engine and transmission may be permanently damaged and require replacement. These vehicles previously had the transmission replaced because the transmission warmers leaked. In rare cases, these vehicles may have also overheated but because the issue was under investigation, a standard repair procedure hadn?t been developed. Further action is needed before the vehicle is completely repaired. |
| B17-011 | 2018-03-13. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE AND ENGINE COOLING. Service bulletin - Some 9-speed transmission warmers were improperly manufactured and allow the engine coolant and ATF to mix. If the fluids mix, the engine and transmission may be permanently damaged and require replacement. |
| BTS180204 | 2018-03-12. Service bulletin. ELECTRICAL SYSTEM. Tech line summary article - Until recently, Tech Line had only two categories for auto idle stop system issues. That made it hard for our engineering staff to understand what was specifically inhibiting the system. To help with this, Tech Line has added more categories to match what?s listed in the service information. As a result, when calling them for an auto idle stop issue, you must now send a snapshot. Tech Line needs it for troubleshooting and won?t be able to help unless you do. |
| BPaS01302018901 | 2018-03-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2017 TLXs with a client complaint of A/C not cooling or blowing warm air. To fully 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. |
| B17-034 | 2018-03-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Service bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [Bank 2]). The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter. |
| BTS180203 | 2018-02-26. Service bulletin. ELECTRICAL SYSTEM. Tech line summary article - We?re currently looking at an issue that when connected to Bluetooth® HandsFreeLink® using an iPhone with iOS 11, there?s no phonebook showing up on the On Demand Multi-Use Display? (ODMD). If the phonebook doesn?t download, clients will have trouble accessing phonebook contacts using the voice control system. |
| BPaS02152018902 | 2018-02-26. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2017 TLXs with a client complaint of A/C not cooling or blowing warm air. To fully 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. |
| Customer Letter | 2018-02-05. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. Customer letter - On some 2015?16 TLX vehicles, the automatic transmission fluid (ATF) warmer was improperly manufactured and may allow the engine coolant and ATF to mix. If the coolant and ATF mix, the engine and transmission may be damaged and require replacement. |
| BTS160701 | 2018-01-29. Service bulletin. VEHICLE SPEED CONTROL; SUSPENSION; FUEL SYSTEM, GASOLINE; WHEELS; TIRES. Tech line summary article - Are you feeling a vertical vibration in the front seats, the floor, and the accelerator pedal that starts as early as 50 mph, progressively gets worse as speed increases, then peaks around 70 to 75 mph? To cut down on this vibration, replace the tires with this new part number. |
| B17-027 | 2018-01-29. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Service bulletin - American Honda is extending the warranty on the 9-speed transmission warmers to 10 years from the original date of purchase with unlimited mileage. This warranty covers vehicles where the engine coolant and ATF mix because of an internal leak in the 9-speed transmission warmer. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.