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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.

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Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
DLR MSG - RFV -2017-07-31. Service bulletin. POWER TRAIN; SUSPENSION. Dealer message - American Honda (AHM) is investigating certain 2015 TLXs with clients reporting a vibration at highway speeds. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
B17040B2017-07-31. Service bulletin. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:AXLE ASSEMBLY. Service news article - Are you looking at what seems to be a rear differential axle seal or pinion seal leak? Something to keep in mind: The actual culprit may be something loose or damaged above it. A loose or damaged fluid pressure sensor will drip rear differential fluid onto the axle seal. A loose fluid pressure check port will drip that fluid onto the pinion seal.
DLR MSG - RFV -2017-07-31. Service bulletin. SUSPENSION; POWER TRAIN. Dealer message - American Honda (AHM) is investigating certain 2015 TLXs with clients reporting a vibration at highway speeds. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
B15-0242017-07-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. Service bulletin - The PCM software does not meet OBDII regulations. Update the PCM software.
Service Bulletin2017-07-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; PARKING BRAKE. Service bulletin - Acura has decided that a defect relating to motor vehicle safety exists in certain 2015 model year TLX vehicles. During installation of the park rod and the Electronic park release shaft, there are two issue that may have occurred. If either of these conditions cocurs, the tranmission may not shift into Park.
Service Bulletin2017-07-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. Service bulletin - The 8-speed dual-clutch transmission (DCT) slips or shifts hard when cold, usually on 1st to 2nd upshifts. The client may also report about feeling bumped or jerked once the vehicle has come to a stop. After the transmission warms up, it shifts normally.
Service Bulletin2017-07-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Service bulletin - The 8-speed dual-clutch transmission (DCT) slips or shifts hard when cold, usually on 1st to 2nd upshifts. The client may also report about feeling bumped or jerked once the vehicle has come to a stop. After the transmission warms up, it shifts normally. The PCM settings, along with the odd and even clutches having not been properly broken in.
B17-0152017-06-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SERVICE BULLETIN - THE 8-SPEED DUAL-CLUTCH TRANSMISSION (DCT) HAS A BUMP OR HARD SHIFT WHEN COMING TO A STOP, USUALLY ON THE DOWNSHIFT FROM 2ND TO 1ST. THIS SYMPTOM IS INTERMITTENT AND MAY BE DIFFICULT TO DUPLICATE.
B15-0212017-06-30. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION. SERVICE BULLETIN - THIS BULLETIN IS REPLACED BY 17-015, 8-SPEED DCT HAS A BUMP OR HARD SHIFT WHEN COMING TO A STOP
B17040B2017-06-30. Service bulletin. EQUIPMENT:MECHANICAL; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. "SERVICE NEWS ARTICLE - ARE YOU LOOKING AT WHAT SEEMS TO BE A REAR DIFFERENTIAL AXLE SEAL OR PINION SEAL LEAK? SOMETHING TO KEEP IN MIND: THE ACTUAL CULPRIT MAY BE SOMETHING LOOSE OR DAMAGED ABOVE IT. A LOOSE OR DAMAGED FLUID PRESSURE SENSOR WILL DRIP REAR DIFFERENTIAL FLUID ONTO THE AXLE SEAL. A LOOSE FLUID PRESSURE CHECK PORT WILL DRIP THAT FLUID ONTO THE PINION SEAL."
B15-0402017-06-30. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SERVICE BULLETIN - UNDER VERY SPECIFIC DRIVING CONDITIONS THE CUSTOMER MAY NOTICE THE 2-3 UPSHIFT IS MORE PRONOUNCED (FIRMER) THAN THE OTHER SHIFTS. THE TRANSMISSION IS WORKING PROPERLY AND THIS DOES NOT INDICATE A PROBLEM. THIS IS NOT A DURABILITY CONCERN. TO GET OPTIMAL PERFORMANCE OUT OF THE TRANSMISSION, UPDATE THE TCM SOFTWARE, CLEAR ANY DTCS, AND DO THE PCM IDLE LEARN PROCEDURE.
B15-0242017-06-29. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SERVICE BULLETIN - THE PCM SOFTWARE DOES NOT MEET OBDII REGULATIONS. UPDATE THE PCM SOFTWARE.
DLR MSG - ACURA2017-06-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. "DEALER MESSAGE - TODAY, JUNE 9, 2015, AMERICAN HONDA IS ANNOUNCING A PRODUCT UPDATE FOR SOME 2015 TLX UNITS FOR UPDATING THE PCM SOFTWARE TO MEET OBDII REGULATIONS. BASIC PROBLEM SOFTWARE IN THE PCM DOES NOT MEET OBDII REGULATIONS. THE REPAIR UPDATE THE PCM WITH IMPROVED SOFTWARE."
B15-0242017-06-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. SERVICE BULLETIN - THE PCM SOFTWARE DOES NOT MEET OBDII REGULATIONS. UPDATE THE PCM SOFTWARE.
PU - B15-0342017-06-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. "SERVICE BULLETIN - WHILE DRIVING, THE VEHICLE SHIFTS INTO NEUTRAL, THE TRANSMISSION INDICATOR COMES ON AND DTC P0657 (ACTUATOR SUPPLY VOLTAGE CIRCUIT/OPEN) IS STORED. THE DRIVER WILL NOT BE ABLE TO SELECT ANY OTHER GEAR UNTIL THE VEHICLE IS TURNED OFF AND RESTARTED."
DLR MSG - ACURA2017-06-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. "DEALER MESSAGE - TODAY, JULY 8, 2015, AMERICAN HONDA IS ANNOUNCING A PRODUCT UPDATE FOR SOME 2015 TLX & 2016MDX UNITS FOR UPDATING THE PCM SOFTWARE TO REPAIR A CONCERN THAT MAY CAUSE THE VEHICLE TO UNEXPECTEDLY SHIFT INTO NEUTRAL DURING NORMAL OPERATION."
B15-038 - 7-25-12017-06-20. Service bulletin. ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. SERVICE BULLETIN - THE VEHICLE HESITATES, SURGES, IDLES HIGH, SHIFTS HARD, OR AUTO IDLE STOP DOES NOT WORK. THE IDLE LEARN IS UNABLE TO RELEARN ITS PARAMETERS WHEN THE CAN SYSTEM IS INTERRUPTED DURING AN ECM, TCM, OR CONTROL UNIT UPDATE.
B15-041 - 8-21-12017-06-20. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION. "SERVICE BULLETIN - MULTIPLE INDICATORS COME ON AND TRANSMISSION IS STUCK IN 4TH GEAR, AND TEMPORARY DTC P0714 IS STORED (ATF TEMPERATURE SENSOR (INTERMITTENT FAILURE)). SENSITIVITY IN THE SOFTWARE FOR THE ATF TEMPERATURE SENSOR CIRCUIT."
B15-040 - 8-19-12017-06-20. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SERVICE BULLETIN - UNDER CERTAIN DRIVING CONDITIONS SOME CLIENT MAY EXPERIENCE A FIRMER-THAN-EXPECTED UPSHIFT FROM 2ND TO 3RD GEAR. THE TCM SOFTWARE IS NOT OPTIMIZED FOR A CONSISTENT 2ND TO 3RD UPSHIFT UNDER ALL CONDITIONS.
B15-040 - 8-27-12017-06-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. SERVICE BULLETIN - UNDER CERTAIN DRIVING CONDITIONS SOME CLIENT MAY EXPERIENCE A FIRMER-THAN-EXPECTED UPSHIFT FROM 2ND TO 3RD GEAR. THE TCM SOFTWARE IS NOT OPTIMIZED FOR A CONSISTENT 2ND TO 3RD UPSHIFT UNDER ALL CONDITIONS.
B15-039 - 8-28-12017-06-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SERVICE BULLETIN - THE TRANSMISSION END COVER LEAKS ON VEHICLES WITH 9-SPEED A/T. DURING ASSEMBLY, THE TRANSMISSION END COVER SEALING GASKET GETS TORN.
B17010C2017-06-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL); POWER TRAIN:AUTOMATIC TRANSMISSION. "SERVICE NEWS ARTICLE - DO YOU HAVE A VEHICLE THAT HAS MULTIPLE INDICATORS ON OR WON’T GO INTO GEAR AND THE MIL IS ON WITH A/T DTC P26C3 (INTERNAL CONTROL MODULE TRANSMISSION RANGE SENSOR PERFORMANCE)? THERE MAY BE DEBRIS IN THE REVERSE OR NEUTRAL SHIFT BUTTONS OF THE SHIFT BY WIRE (SBW) SHIFTER ASSEMBLY THAT’S CAUSING THEM TO STICK. TYPICAL DEBRIS ARE PARTICLES IN THE REVERSE SHIFT BUTTON OR STICKY RESIDUE IN THE NEUTRAL SHIFT BUTTON FROM SOMETHING THAT SPILLED."
B16-0092017-06-16. Service bulletin. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. SERVICE BULLETIN - WHILE DRIVING AT HIGHWAY SPEEDS (55 MPH AND ABOVE), THERE IS A LOW-FREQUENCY RUMBLE THAT CAN BE HEARD, OR A VIBRATION/BUZZ THAT CAN BE FELT IN YOUR LEGS THAT COMES THROUGH THE SEAT AND FLOOR. THIS VIBRATION IS TYPICALLY NOT FELT AT SPEEDS UNDER 55 MPH AND IS NOT THE SAME FEELING AS A TIRE IMBALANCE.
B15-0402017-05-24. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION. SERVICE BULLETIN - UNDER CERTAIN DRIVING CONDITIONS SOME CLIENT MAY EXPERIENCE A FIRMER-THAN-EXPECTED UPSHIFT FROM 2ND TO 3RD GEAR. THE TCM SOFTWARE IS NOT OPTIMIZED FOR A CONSISTENT 2ND TO 3RD UPSHIFT UNDER ALL CONDITIONS.
BTS1511012017-05-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. TECHLINE SUMMARY ARTICLE - REPLACEMENT TCMS DON’T COME WITH TRIM DATA. AFTER INSTALLATION, YOU NEED TO RUN A TEACH-IN (HYDRAULIC PRESSURE CHARACTERISTIC CALIBRATION) PROCEDURE WITH THE HDS. THE PROBLEM IS THAT A/T DTC P287C (TRANSMISSION ADAPTIVE VALUES NOT LEARNED) IS SET, WHICH PREVENTS TEACH-IN.

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