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Service bulletins for the 2016 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.

251 on file from NHTSA, as of 2026-10-19.

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By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
BPS&081220259012025-08-21. Other. ENGINE. Dealer Message - Acura is also implementing an additional (1) twenty-four (24) month period for 2015 model year Acura TLX vehicles, commencing at the expiration of the 10-year warranty extension period for each vehicle, and (2) eighteen (18) month period for 2016 model year Acura TLX/MDX vehicles, commencing at the expiration of the 10-year warranty extension period for each vehicle, for valve adjustment and starter replacement related to this condition under warranty.
B22-0092025-07-09. Service bulletin. ENGINE. Service Bulletin - Under certain circumstances, after coming to a stop and engaging idle stop the vehicle may not restart automatically due to excessive cylinder pressure and/or low cranking torque. Typically, the client can immediately restart the vehicle by selecting Park and pressing the ENGINE START/STOP button.
B24-0222025-03-05. Service bulletin. ENGINE. Service Bulletin - The AWD warning light is on with one or more AWD DTCs having been set due to water intrusion into the electric oil pump motor connector area corrodes the terminals.
B16-0082024-09-10. Service bulletin. ENGINE. Service Bulletin - Drivers may experience a chirping sound coming from the engine area with the engine warmed up due to the high pressure fuel pump is making a chirp.
ONL6AX070520232023-07-14. Service bulletin. ENGINE AND ENGINE COOLING. Owner Notification Letter - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Acura is providing a product update with new PGM-FI software update to fix this issue.
B23-0092023-04-27. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin - The engine will not crank on the initial startup attempt after the vehicle has been exposed to precipitation and then freezing temperatures. Water can enter the starter motor. In cold temperatures the water can freeze, preventing the starter motor from cranking the engine.
Defect Code 6T6,2022-07-07. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. "Customer letter - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. To ensure your confidence in your vehicle. Acura is extending the warranty coverage for starter and starter relays and a valve adjustment related to this condition to 10 years from the original date of purchase with no mileage limitation. This warranty extension provides coverage for the original owner and any subsequent owners. No action is required on your part unless you experience a problem."
Defect Code 6AX,2022-07-07. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. "Customer letter - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Acura is providing a product update with new PGM-FI software update to fix this issue. In addition, to ensure your confidence in your vehicle, Acura is extending the warranty coverage for valve adjustment and starter replacement related to this condition to 10 years from the original date of purchase with no mileage limitation. This warranty extension provides coverage for the original owner and any subsequent owners. No action is required on your part unless you experience a problem."
BTI&051020229012022-06-06. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RLXs & 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.
SB160112022-05-09. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; BACK OVER PREVENTION; EQUIPMENT:OTHER:LABELS. Today, February 26, 2016, American Honda Motor Co., Inc. is announcing a Product Update for certain ILX, RLX, RLX Hybrid, and TLX model years 2014-16 vehicles for sale in the state of Hawaii to amend Monroney labels that were printed without bumper impact information.
BTI&041320229012022-05-06. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. 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.
B22-0092022-05-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Service bulletin - Under certain circumstances, after coming to a stop and engaging idle stop the vehicle may not restart automatically due to excessive cylinder pressure and/or low cranking torque. Typically, the client can immediately restart the vehicle by selecting Park and pressing the ENGINE START/STOP button.
B22-0082022-05-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Service bulletin - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Typically, the customer can immediately restart the vehicle by selecting Park and pushing the ENGINE START/STOP button.
B22-0092022-04-07. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE. "Service bulletin - Under certain circumstances, after coming to a stop and engaging idle stop the vehicle may not restart automatically due to excessive cylinder pressure and/or low cranking torque. Typically, the client can immediately restart the vehicle by selecting Park and pressing the ENGINE START/STOP button. Acura is extending the warranty coverage for valve adjustment and starter replacement related to this condition to 10 years from the original date of purchase with no mileage limitation."
B22-0082022-04-07. Service bulletin. ENGINE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. "Service bulletin - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Typically, the customer can immediately restart the vehicle by selecting Park and pushing the ENGINE START/STOP button."
BTI&032820229032022-04-07. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE; ELECTRICAL 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.
BBOM033020229012022-04-07. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. "Dealer message - Today, March 30, 2022, Acura is announcing a product update and warranty extension for certain 2015-2020 TLX vehicles to update the PGM-FI software that may affect the idle stop operation and starter under certain conditions. Acura is extending the warranty coverage for valve adjustment and starter replacement related to this condition to 10 years from the original date of purchase with no mileage limitation. Perform an iN VIN status inquiry to determine which units in your inventory are affected."
BTI&022220229022022-03-02. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; ELECTRICAL 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.
BTI&012120229022022-01-26. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE; ELECTRICAL 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.
B19-0032020-12-09. 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]).
B19-0032020-10-21. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. 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]).
B14-0252020-09-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. Service Bulletin - The timing belt area chirps after the engine warms up.
B14-0252020-08-14. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin - The timing belt area makes a chirping noise after the engine warms up.
B19-0032019-09-18. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. 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]).
B19-0492019-08-20. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING. Service Bulletin - The MIL comes on with DTC P0420 (rear bank catalyst system efficiency below threshold [bank 1]).

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.