2018 Acura TLX Technical Service Bulletins

92 technical service bulletins (TSBs) are on record for the 2018 Acura TLX. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10163444Jul 30, 2019Fuel system. 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.
• 10163191Jul 19, 2019Engine. 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.
• 10163188Jul 19, 2019Electrical system, Equipment. Service Bulletin - The audio unit will reboot on its own at times or CarPlay does not work after iPhone updates.
• 10163138Jul 12, 2019Transmission and drivetrain. 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].
• 10161313Jun 12, 2019Engine cooling, Transmission and drivetrain. 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].
• 10160873May 16, 2019Electronic stability control. ServiceNews Article - When removing and installing a cable reel, you need to keep both the cable reel and the steering angle sensor in position. If you don't, the VSA indicator may come on along with one or more VSA DTCs. And when you run the Neutral Memorization Procedure in the i-HDS, it won't complete.
• 10154478Mar 7, 2019Electrical system, Transmission and drivetrain. "Service Bulletin - The vehicle may exhibit several of the following symptoms: - Multiple indicators are on. - No communication with the i-HDS. - The option fuse (7.5 A) is blown. - MDX: Fuse E21 - TLX: Fuse B7 - MDX: It is hard to shut off the engine. - TLX: The transmission will not shift from park."
• 10153887Feb 21, 2019Engine. Service Bulletin - There is a knocking or clicking from the engine during cold startup.
• 10153508Feb 12, 2019Equipment, Electrical system. Service Bulletin - The audio unit will reboot on its own at times or CarPlay does not work after iPhone updates. There is a software problem within the audio unit. Update the audio unit software.
• 10152738Jan 2, 2019Engine cooling. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2019 TLXs with a client complaint of the Malfunction Indicator Lamp (MIL) on with DTC P0420 (Rear Bank Catalyst System Efficiency Below Threshold [Bank 2]) and/or P0430 (Front Bank Catalyst Sytem Efficiency Below Threshold [Bank 2]) stored. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior…
• 10150286Nov 27, 2018Engine cooling. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2019 TLXs with a client complaint of the Malfunction Indicator Lamp (MIL) on with DTC P0420 (Rear Bank Catalyst System Efficiency Below Threshold [Bank 2]) and/or P0430 (Front Bank Catalyst Sytem Efficiency Below Threshold [Bank 2]) stored. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior…
• 10150284Nov 26, 2018Engine cooling. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2019 TLXs with a client complaint of the Malfunction Indicator Lamp (MIL) on with DTC P0420 (Rear Bank Catalyst System Efficiency Below Threshold [Bank 2]) and/or P0430 (Front Bank Catalyst Sytem Efficiency Below Threshold [Bank 2]) stored. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior…
• 10149656Nov 5, 2018Engine cooling. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2019 TLXs with a client complaint of the Malfunction Indicator Lamp (MIL) on with DTC P0420 (Rear Bank Catalyst System Efficiency Below Threshold [Bank 2]) and/or P0430 (Front Bank Catalyst Sytem Efficiency Below Threshold [Bank 2]) stored. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior…
• 10147308Oct 26, 2018Equipment. Service bulletin - The audio unit will reboot on its own at times. There is a software problem within the audio unit.
• 10146080Oct 17, 2018Engine cooling, Electrical system. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2019 TLXs with a client complaint of the Malfunction Indicator Lamp (MIL) on with DTC P0420 (Rear Bank Catalyst System Efficiency Below Threshold [Bank 2]) and/or P0430 (Front Bank Catalyst Sytem Efficiency Below Threshold [Bank 2]) stored. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior…
• 10146072Oct 16, 2018Engine cooling, Engine. Servicenews Article - Have a vehicle in your shop with low mileage (less than 1,500 miles) and a hard-to-pinpoint engine knock? We're currently investigating vehicles for hairline fractures in the crankshaft sprocket, and we suspect it may be the cause for this noise.
• 10145396Sep 18, 2018Transmission and drivetrain. Service bulletin - The transmission end cover leaks on vehicles with 9-speed A/T. During assembly, the transmission end cover sealing gasket gets torn.
• 10145032Sep 1, 2018Fuel system. Service bulletin - The high pressure fuel pump area chirps after the engine is warm. The high pressure fuel pump is making a chirp.
• 10143347Jul 12, 2018Engine, Electrical system. Servicenews 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…
• 10143346Jul 12, 2018Equipment. Service news article - If the On Demand Multi-Use Display? (ODMD) isn't responding to touch or is freezing up, the reason could be there's debris lodged in the gap between the touch screen and the bezel. Lodged debris contacting the screen can cause a false input, resulting in this issue. And since that gap widens and narrows with cabin temperature, this issue can be intermittent, especially in cold weather.
• 10143214Jul 12, 2018Equipment. Servicenews 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…
• 10143213Jul 12, 2018Equipment. Service news article - If the On Demand Multi-Use Display? (ODMD) isn't responding to touch or is freezing up, the reason could be there's debris lodged in the gap between the touch screen and the bezel. Lodged debris contacting the screen can cause a false input, resulting in this issue. And since that gap widens and narrows with cabin temperature, this issue can be intermittent, especially in cold weather.
• 10141194Jun 2, 2018Engine, Engine cooling. Tech line summary article - Have a vehicle in your shop with low mileage (less than 1,500 miles) and a hard-to-pinpoint engine knock? We're currently investigating vehicles for hairline fractures in the crankshaft sprocket, and we suspect it may be the cause for this noise. In some cases you may be able to see these fractures by just removing the crankshaft pulley; however, they can be very small and you may need…
• 10142630May 10, 2018Steering. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2018 TLX 2WDs with a client complaint of Malfunction Indicator Lamp (MIL) on with DTC U129D (Lost Communication with the Precision All Wheel Steer Control Unit) stored. Client may experience limited speed of up to 50mph or the steering wheel not centered. To fully understand the cause of this condition, AHM would like to collect…
• 10136425Apr 26, 2018Engine, Fuel system. Service bulletin - The high pressure fuel pump area chirps after the engine is warm. The high pressure fuel pump is making a chirp noise. NOTE: This noise does not impact the pump, engine function, or reliability.
• 10136429Apr 23, 2018Steering, Electrical system. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2018 TLX 2WDs with a client complaint of Malfunction Indicator Lamp (MIL) on with DTC U129D (Lost Communication with the Precision All Wheel Steer Control Unit) stored. Client may experience limited speed of up to 50mph or the steering wheel not centered. To fully understand the cause of this condition, AHM would like to collect…
• 10135108Apr 16, 2018Transmission and drivetrain, Seats. Service bulletin - When adjusting seat height or tilt, the power seat does not move or moves just a small amount and clicks loudly during operation. The vertical transmission assembly (VTA) unit has a stripped internal gear.
• 10134525Apr 6, 2018Steering. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2018 TLX 2WDs with a client complaint of Malfunction Indicator Lamp (MIL) on with DTC U129D (Lost Communication with the Precision All Wheel Steer Control Unit) stored. Client may experience limited speed of up to 50mph or the steering wheel not centered. To fully understand the cause of this condition, AHM would like to collect…
• 10129807Feb 27, 2018Electrical 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…
• 10129341Feb 15, 2018Electrical 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.
• 10129340Feb 13, 2018Body and structure. Tech line summary article - debris lodged in the gap between the touch screen and the bezel. Lodged debris contacting the screen can cause a false input, resulting in this issue. And since that gap widens and narrows with cabin temperature, this issue can be intermittent, especially in cold weather.
• 10129426Jan 24, 2018Electrical system. 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.
• 10124272Nov 18, 2017Electrical system. Techline summary article - We?re currently looking at an issue that when connected to Bluetooth® HandsFreeLink® using an iPhone with iOS 11, Pandora doesn?t work on the On Demand Multi-Use Display? (ODMD). We think this may be due to some changes made to the Bluetooth stack on iOS 11.
• 10124271Nov 14, 2017Electrical system. Techline 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).
• 10124269Nov 14, 2017Engine. Service bulletin - There is a chirping coming from the engine area with the engine warmed up. The high pressure fuel pump is making a chirp.
• 10119591Oct 12, 2017Electrical system. 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.
• 10118014Sep 13, 2017Transmission and drivetrain, Engine, Electrical system. 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.
• 10117338Aug 23, 2017Transmission and drivetrain, Electrical system. Service bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [Bank 2]).
• 10115767Aug 3, 2017Steering. Service news article - To prevent damage during shipping, leather-wrapped steering wheels come with a protective plastic covering. The easiest way to remove it during PDI is to grab the covering with both hands near the top of the steering wheel and pull
• 10108907Jun 20, 2017Fuel system. Service bulletin - The high pressure fuel pump area chirps after the engine is warm. The high pressure fuel pump is making a chirp.
• 10211608Mar 18, 2016Equipment. Special Tool Loan Program: Under TOOLS AVAILABLE FOR LOAN, the list has been updated.
• 10110847Jan 13, 2015Electrical system, Transmission and drivetrain. Dealer message - The METER reflash process for Cross Traffic Monitoring System inadvertently erases the idle characteristics learned by the PCM, and the HDS shows Idle Torque Learning as "Not Completed." The drivability symptoms which can result from this condition range from harsh 2-1 downshift, high rpm at idle, surging coming to a stop, and idle fluctuation.

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