Service bulletin T-SB-0186-12

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	10061647
Published by NHTSA	2016-04-12
Manufacturer's number	T-SB-0186-12
Manufacturer's date	2012-10-03
NHTSA component	POWER TRAIN:CLUTCH ASSEMBLY:PEDAL/HAND LEVER(MOTORCYCLE); POWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

SUMMARY TO BE PROVIDED ON A FUTURE DATE.

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, Clutch

Vehicles listed
TOYOTA TACOMA	2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012

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

Other bulletins for the same vehicles and component
T-SB-0186-12	2018-04-23. Service bulletin. Some 2005 ? 2012 model year Tacoma vehicles may exhibit a squeak or creak noise from the clutch pedal when it is depressed or released. Changes have been made to the clutch pedal and clutch master cylinder assembly to address this condition.
T-SB-0016-13	2018-04-23. Service bulletin. Some 4WD 2005 ? 2012 model year Tacoma vehicles equipped with an automatic transmission may exhibit a clunk/thunk noise from the rear of the vehicle or a ?bump-from-behind? sensation just before a stop or when accelerating from a stop. Improvements have been implemented on the rear propeller shaft (driveshaft) to reduce this condition. Follow the Repair Procedure in this bulletin to improve this condition.
T-SB-0066-11 Rev	2018-04-23. Service bulletin. Some 2005 ? 2013 model year Tacoma vehicles equipped with a 5-speed manual transmission may exhibit a slipping feeling in all forward gears and reverse. Replacement of the clutch disk, clutch cover, flywheel, and clutch pedal turnover spring is required to repair the vehicle. Follow the repair procedure in this bulletin to address this condition.
T-SB-0044-14	2018-04-02. Service bulletin. TSB: Some 2012 ? 2014 model year Tacoma vehicles equipped with 1GR-FE engines may exhibit spark knock (detonation) during light acceleration and/or uphill in hot weather (80°F or higher). The Engine Control module/ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring.
T-SB-0057-13 Rev	2017-08-14. Service bulletin. TSB: Some 2005 - 2013 model year Tacoma vehicles equipped with a 5-speed automatic transmission may exhibit a whine noise from the rear differential between 50 - 60 mph (80 - 97 km/h). Use the following Repair Procedure to address this condition. NOTE-This bulletin does NOT apply to Limited Slip Differential (LSD) or locking type rear differentials.
T-SB-0057-13 Rev	2017-08-14. Service bulletin. TSB: Some 2005 - 2013 model year Tacoma vehicles equipped with a 5-speed automatic transmission may exhibit a whine noise from the rear differential between 50 - 60 mph (80 - 97 km/h). Use the following Repair Procedure to address this condition. NOTE-This bulletin does NOT apply to Limited Slip Differential (LSD) or locking type rear differentials.
T-SB-0016-13 Rev	2017-08-01. Service bulletin. TSB: Some 4WD 2005 - 2013 model year Tacoma vehicles equipped with an automatic transmission may exhibit a clunk/thunk noise from the rear of the vehicle or a "bump-from-behind" sensation just before a stop or when accelerating from a stop. Improvements have been implemented on the rear propeller shaft (driveshaft) to reduce this condition.
T-SB-0250-12 Rev	2017-08-01. Service bulletin. TSB: Some 2WD 2005 - 2013 model year Tacoma vehicles equipped with an automatic transmission may exhibit a clunk/thunk noise from the rear of the vehicle or a "bump-from-behind" sensation just before a stop or when accelerating from a stop. Improvements have been implemented on the rear propeller shaft (driveshaft). Follow the Repair Procedure in this bulletin to improve this condition.
T-SB-0200-08 Rev	2017-08-01. Service bulletin. TSB: The purpose of this bulletin is to assist in the identification and location of serial numbers on 2006 - 2014 model year automatic transmissions.
T-SB-0134-14	2017-08-01. Service bulletin. TSB: The purpose of this bulletin is to provide precautions to follow when installing an automatic transmission/transaxle assembly to avoid MIL "ON" shifting issues and/or transmission damage. Use the information in this bulletin when installing an automatic transmission/transaxle assembly.