# Service bulletin B17\-018

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.

- Type: Service bulletin
- NHTSA id: 10098871
- Published by NHTSA: 2017\-05\-11
- Manufacturer's number: B17\-018
- Manufacturer's date: 2017\-04\-04
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

## NHTSA's summary

"SERVICE BULLETIN \- AFTER THE SOFTWARE UPDATE, SOME VEHICLES BASED ON HOW THEY ARE DRIVEN \(EXTREME CONDITIONS\) MAY STILL EXPERIENCE ATF DETERIORATION AFTER UPDATING THE A/T OR PGM\-FI SYSTEM AND THE SHUDDER MAY RETURN. THE PROBLEM IS TYPICALLY DIAGNOSED AS A BAD TORQUE CONVERTER \(TC\). THERE IS NO DAMAGE TO THE TC, BUT BECAUSE THE ATF HAS DETERIORATED, IT NEEDS TO BE CHANGED EVEN THOUGH THE ATF SERVICE DUE MESSAGE HAS NOT APPEARED. MAKE SURE THE SOFTWARE IS UPDATED BY REFERRING TO THE INSPECTION PROCEDURE."

## 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

Electrical system, Transmission and driveline, Automatic transmission, Software, Torque converter

## Vehicles listed

- 2013 to 2017 ACURA RDX

## Recalls for the same vehicles and component

- [13V143000](/recalls/nhtsa/13V143000.md), 2013-04-15: POWER TRAIN:AUTOMATIC TRANSMISSION

## Other bulletins for the same vehicles and component

- [B23\-029](/bulletins/10251152.md), 2024-03-04, Service bulletin: ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. Service Bulletin \- The lock\-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock up piston. The reduced lock\-up clutch capacity results in the transmission indicator flashing “D” and set DTC P0741 Torque Converter Clutch Circuit Performance or Stuck OFF.
- [B23\-029](/bulletins/10241888.md), 2023-09-06, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; ENGINE AND ENGINE COOLING. Service Bulletin \- The lock\-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock up piston. The reduced lock\-up clutch capacity results in the Malfunction Indicator Lamp \(MIL\) and set DTC P0741 Torque Converter Clutch Circuit Performance or Stuck OFF.
- [BBOM08312023901](/bulletins/10241881.md), 2023-09-06, Service bulletin: ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. Dealer Message \- Torque converters may not have been manufactured to proper specifications. As a result, the torque converter lock\-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock\-up piston. The reduced lock\-up clutch capacity results in the MIL illuminating and set DTC P0741 Torque Converter Clutch Circuit Performance or Stuck OFF.
- [SB\-15\-051](/bulletins/10193233.md), 2021-05-13, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. BACKGROUND When the client uses the HFL, the person they are speaking with may experience poor sound quality, static, or the speaker’s voice cutting out. CORRECTIVE ACTION Cross\-check the HFL part number and the HFL software version table in step 2 of REPAIR PROCEDURE to verify if the HFL control unit can be updated. NOTE: Make sure there is a match between the HFL P/N and software version under SOFTWARE INFORMATION
- [B17\-018](/bulletins/10133012.md), 2018-04-16, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Service bulletin \- After the software update, some vehicles based on how they are driven \(extreme conditions\) may still experience ATF deterioration after updating the PGM\-FI or A/T system and the shudder may return. The problem is typically diagnosed as a bad torque converter \(TC\). There is no damage to the TC, but because the ATF has deteriorated, it needs to be changed even though the ?ATF Service Due? message has not appeared.
- [BVE02142018901](/bulletins/10129342.md), 2018-02-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. Dealer message \- Every Service Bulletin requires you to take an HDS snap shot and use the job aid or Tech2Tech to confirm the judder/shudder is coming from the torque converter.
- [B17020D](/bulletins/10108701.md), 2017-07-28, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. Service news article \- We?ve made an important change to the AcuraLink telematics unit that you need to be aware of. This change switches the coverage of the internal cellular module from Code Division Multiple Access \(CDMA\) to Long Term Evolution \(LTE\).
- [BPAS03102017901](/bulletins/10108285.md), 2017-06-30, Service bulletin: EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\); ELECTRICAL SYSTEM:SOFTWARE. DEALER MESSAGE \- AMERICAN HONDA \(AHM\) IS INVESTIGATING CERTAIN 2017 RDXS WITH EITHER A CLIENT COMPLAINT OR PDI TIMING DISCOVERY OF NO GPS SIGNAL OR THE NAVI SHOWING WRONG LOCATION. 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\-051](/bulletins/10100227.md), 2017-05-23, Service bulletin: EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. SERVICE BULLETIN \- WHEN THE CLIENT USES THE HFL, THE PERSON THEY ARE SPEAKING WITH MAY EXPERIENCE POOR SOUND QUALITY, STATIC, OR THE SPEAKER’S VOICE CUTTING OUT. CROSS\-CHECK THE HFL PART NUMBER AND THE HFL SOFTWARE VERSION TABLE IN STEP 2 OF REPAIR PROCEDURE TO VERIFY IF THE HFL CONTROL UNIT CAN BE UPDATED.
- [B15\-051](/bulletins/10099958.md), 2017-05-22, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL. SERVICE BULLETIN \- WHEN THE CLIENT USES THE HFL, THE PERSON THEY ARE SPEAKING WITH MAY EXPERIENCE POOR SOUND QUALITY, STATIC, OR THE SPEAKER’S VOICE CUTTING OUT.

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