Service bulletin B17010C

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10098933
Published by NHTSA	2017-05-12
Manufacturer's number	B17010C
Manufacturer's date	2017-01-24
NHTSA component	POWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

"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."

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Automatic transmission

Trouble codes named

P26C3

Vehicles listed
ACURA MDX	2016, 2017
ACURA NSX	2017
ACURA RLX HYBRID	2014, 2015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it)
ACURA TLX	2015, 2016, 2017

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
16V640000	2016-09-06. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
14V779000	2014-12-08. POWER TRAIN:AUTOMATIC TRANSMISSION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
BTS-151101 V2	2021-05-14. Service bulletin. 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. This happens because the TCM is programmed to look for trim data any time the ignition is cycled. If the TCM doesn’t see that trim data, it sets A/T DTC P287C. If any DTCs are set, the TCM won’t initiate teach-in and, as a result, can’t learn the trim data. It’s a classic catch-22 situation.
SB-16-012	2021-05-13. Service bulletin. BACKGROUND American Honda has made several shift quality improvements in the 2015 and 2016 TLX V6. SYMPTOM There is a sensation of acceleration while coasting down a hill. There is a sensation of a surge while braking. The transmission feels like it stays in gear too long. CORRECTIVE ACTION Update the TCM software. Clear all DTC’s created during the update and do the idle learn procedure. This software update will change the way the transmission shifts. After the update it may take up to 30 miles for the transmission to adapt to the client’s driving habits.
BBOM09152020	2020-09-22. Service bulletin. Dealer Message - Today, September 15, 2020, Acura is announcing a stop sale and emissions recall for certain 2017-2020 MDX Sport Hybrid and 2014, 2016-2020 RLX Sport Hybrid vehicles that may not properly clear specific diagnostic trouble codes (DTC). Presence of these codes may prevent the vehicle from passing a smog test. Refer to your eResponsibility report or do an iN VIN status inquiry to determine which units in your inventory are affected.
B20-040	2020-09-22. Service bulletin. "Service Bulletin - When the PCM detects a malfunction in one of the odd number transmission gears, it will set one of the following DTCs: -P073F (unable to engage gear 1) -P074B (unable to engage gear 3) -P074D (unable to engage gear 5) -P074F (unable to engage gear 7) Due to inappropriate calibration of the PCM, the OBD system cannot properly clear the transmission permanent DTC as required."
B20-039	2020-09-22. Service bulletin. "Service Bulletin - When the PCM detects a malfunction in one of the odd number transmission gears, it will set one of the following DTCs: -P073F (unable to engage gear 1) -P074B (unable to engage gear 3) -P074D (unable to engage gear 5) -P074F (unable to engage gear 7) Due to inappropriate calibration of the PCM, the OBD system cannot properly clear the transmission permanent DTC as required."
ONLKG603082019	2019-03-15. Service bulletin. Owner Notficiation Letter - Our records indicate that a PRODUCT UPDATE has not been completed on this vehicle, refer to the address card for the affected VIN. Your MDX previously had the transmission replaced because of a leaking 9-speed automatic transmission fluid (ATF) warmer. As the issue was under investigation when the transmission was replaced, your vehicle needs further action before it is completely repaired.
ONLKG503082019	2019-03-15. Service bulletin. Owner Notification Letter - Our records indicate that a PRODUCT UPDATE has not been completed on this vehicle, refer to the address card for the affected VIN. Your TLX previously had the transmission replaced because of a leaking 9-speed automatic transmission fluid (ATF) warmer. As the issue was under investigation when the transmission was replaced, your vehicle needs further action before it is completely repaired.
ONLKG303082019	2019-03-15. Service bulletin. Owner Notification Letter - Our records indicate that a PRODUCT UPDATE has not been completed on this vehicle, refer to the address card for the affected VIN. 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.
ONLKG203082019	2019-03-15. Service bulletin. Owner Notification Letter - Our records indicate that a PRODUCT UPDATE has not been completed on this vehicle, refer to the address card for the affected VIN. 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.
B19-004	2019-02-10. Service bulletin. Service bulletin - The transmission judders, shudders, or surges while driving. The transmission fluid has deteriorated prematurely.