Service bulletin TSB-0140-10

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	10034944
Published by NHTSA	2011-02-02
Manufacturer's number	TSB-0140-10
Manufacturer's date	2010-10-07
NHTSA component	STEERING:ELECTRIC POWER ASSIST SYSTEM

NHTSA's summary

TOYOTA: POWER STEERING FEEL. SOME CUSTOMERS HAVE EXPRESSED DISSATISFACTION WITH THE ON-CENTER STEERING FEEL ON THE 2009 – 2010 MODEL YEAR COROLLA VEHICLES. A RE-TUNED POWER STEERING COMPUTER ASSEMBLY HAS BEEN DEVELOPED TO PROVIDE AN ALTERNATIVE STEERING FEEL FOR THESE CUSTOMERS.

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

Steering, Power steering

Vehicles listed
TOYOTA COROLLA	2009, 2010

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
ZG2-ZG3-Expired-	2018-12-03. Service bulletin. Dealer Package: September 11, 2018 A watermark has been added to the Dealer Letter to indicate that ZG2/ZG3 expired on September 10, 2018 The class action settlement relates to certain 2009 and 2010 Toyota Corolla vehicles (excluding the XRS grade) equipped with an electric power steering (EPS) system, which has been alleged to ?cause vehicles to wander or drift from center at highway speeds and/or suddenly veer to one direction during normal use.? Toyota denies these allegations and believes the concerns raised in the lawsuit are about customer preference for on-center steering feel in the vehicles. Toyota has determined that turning the page on this legal issue is in the best interests of the company and its employees, dealers and customers. In keeping with its core principles, Toyota has structured this agreement in ways that work to put customers first. This CSP was created as part of the implementation of the settlement.
ZG2-ZG3_Warranty	2018-04-23. Service bulletin. Warranty Policy Bulletin (POL16-05): The class action settlement relates to certain 2009 and 2010 Toyota Corolla vehicles (excluding the XRS grade) equipped with an electric power steering (EPS) system, which has been alleged to ?cause vehicles to wander or drift from center at highway speeds and/or suddenly veer to one direction during normal use.? Toyota denies these allegations and believes the concerns raised in the lawsuit are about customer preference for on-center steering feel in the vehicles.
ZG2-ZG3_Dealer L	2018-04-23. Service bulletin. Dealer Letter: The class action settlement relates to certain 2009 and 2010 Toyota Corolla vehicles (excluding the XRS grade) equipped with an electric power steering (EPS) system, which has been alleged to ?cause vehicles to wander or drift from center at highway speeds and/or suddenly veer to one direction during normal use.? Toyota denies these allegations and believes the concerns raised in the lawsuit are about customer preference for on-center steering feel in the vehicles.
ZG2-ZG3_Dealer L	2018-04-23. Service bulletin. Dealer Letter email: The class action settlement relates to certain 2009 and 2010 Toyota Corolla vehicles (excluding the XRS grade) equipped with an electric power steering (EPS) system, which has been alleged to "cause vehicles to wander or drift from center at highway speeds and/or suddenly veer to one direction during normal use." Toyota denies these allegations and believes the concerns raised in the lawsuit are about customer preference for on-center steering feel in the vehicles.
ZG2-ZG3_Region L	2018-04-23. Service bulletin. Region Letter: The class action settlement relates to certain 2009 and 2010 Toyota Corolla vehicles (excluding the XRS grade) equipped with an electric power steering (EPS) system, which has been alleged to "cause vehicles to wander or drift from center at highway speeds and/or suddenly veer to one direction during normal use." Toyota denies these allegations and believes the concerns raised in the lawsuit are about customer preference for on-center steering feel in the vehicles.
POL-16-05	2018-04-23. Service bulletin. Region Letter email: The class action settlement relates to certain 2009 and 2010 Toyota Corolla vehicles (excluding the XRS grade) equipped with an electric power steering (EPS) system, which has been alleged to "cause vehicles to wander or drift from center at highway speeds and/or suddenly veer to one direction during normal use." Toyota denies these allegations and believes the concerns raised in the lawsuit are about customer preference for on-center steering feel in the vehicles.
POL16-05	2017-02-15. Service bulletin. WARRANTY POLICY BULLETIN (POL16-05): THE CLASS ACTION SETTLEMENT RELATES TO CERTAIN 2009 AND 2010 TOYOTA COROLLA VEHICLES (EXCLUDING THE XRS GRADE) EQUIPPED WITH AN ELECTRIC POWER STEERING (EPS) SYSTEM, WHICH HAS BEEN ALLEGED TO “CAUSE VEHICLES TO WANDER OR DRIFT FROM CENTER AT HIGHWAY SPEEDS AND/OR SUDDENLY VEER TO ONE DIRECTION DURING NORMAL USE.” TOYOTA DENIES THESE ALLEGATIONS AND BELIEVES THE CONCERNS RAISED IN THE LAWSUIT ARE ABOUT CUSTOMER PREFERENCE FOR ON-CENTER STEERING FEEL IN THE VEHICLES.
ZG2-ZG3_DEALER	2017-02-15. Service bulletin. DEALER LETTER: THE CLASS ACTION SETTLEMENT RELATES TO CERTAIN 2009 AND 2010 TOYOTA COROLLA VEHICLES (EXCLUDING THE XRS GRADE) EQUIPPED WITH AN ELECTRIC POWER STEERING (EPS) SYSTEM, WHICH HAS BEEN ALLEGED TO “CAUSE VEHICLES TO WANDER OR DRIFT FROM CENTER AT HIGHWAY SPEEDS AND/OR SUDDENLY VEER TO ONE DIRECTION DURING NORMAL USE.” TOYOTA DENIES THESE ALLEGATIONS AND BELIEVES THE CONCERNS RAISED IN THE LAWSUIT ARE ABOUT CUSTOMER PREFERENCE FOR ON-CENTER STEERING FEEL IN THE VEHICLES.
ZG2-ZG3_DEALER	2017-02-14. Service bulletin. DEALER LETTER EMAIL: THE CLASS ACTION SETTLEMENT RELATES TO CERTAIN 2009 AND 2010 TOYOTA COROLLA VEHICLES (EXCLUDING THE XRS GRADE) EQUIPPED WITH AN ELECTRIC POWER STEERING (EPS) SYSTEM, WHICH HAS BEEN ALLEGED TO “CAUSE VEHICLES TO WANDER OR DRIFT FROM CENTER AT HIGHWAY SPEEDS AND/OR SUDDENLY VEER TO ONE DIRECTION DURING NORMAL USE.” TOYOTA DENIES THESE ALLEGATIONS AND BELIEVES THE CONCERNS RAISED IN THE LAWSUIT ARE ABOUT CUSTOMER PREFERENCE FOR ON-CENTER STEERING FEEL IN THE VEHICLES.
ZG2-ZG3_REGION1	2017-02-14. Service bulletin. REGION LETTER: THE CLASS ACTION SETTLEMENT RELATES TO CERTAIN 2009 AND 2010 TOYOTA COROLLA VEHICLES (EXCLUDING THE XRS GRADE) EQUIPPED WITH AN ELECTRIC POWER STEERING (EPS) SYSTEM, WHICH HAS BEEN ALLEGED TO “CAUSE VEHICLES TO WANDER OR DRIFT FROM CENTER AT HIGHWAY SPEEDS AND/OR SUDDENLY VEER TO ONE DIRECTION DURING NORMAL USE.” TOYOTA DENIES THESE ALLEGATIONS AND BELIEVES THE CONCERNS RAISED IN THE LAWSUIT ARE ABOUT CUSTOMER PREFERENCE FOR ON-CENTER STEERING FEEL IN THE VEHICLES.