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Vsa u0122 abs trouble code can reset - 2009 Honda Accord

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SOURCE: i also got code u0122 on honda accord 09 showing

code u0122 fcan malfunction ecu to vsa. dealership has to fix.problem in your ecm and vechicle stability assist.

Posted on Nov 09, 2011

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VSA,ABS,Brake,and triangle w/exclamation constantly on

Vsa,abs,and brake all work off of the same sensor. You have a problem with one of the following system. Vsa vehicle stability assist, abs anti lock brakes, or the brakes themselves. My guess is either the abs or vsa

Apr 23, 2016 | 2005 Honda CR-V

1 Answer

My pcm is not communicating with abs car is in limp mode can't get it resolved

Check the ABS fuses. Check the ground for the ABS. What are the codes?

Feb 07, 2016 | 2005 Acura TL

1 Answer

I have a 2003 acura tl type s and my vsa and abs light is on. I have diagnosed it and nothing came up. Has 230000 miles on it.

Diagnosed what & how ?

For the ABS,VSA,etc, they are all abs system issues & you
need to use professional scan tool software to see those
modules & the codes,if any

Then you need factory manuals,cd's or proper reference
material & trouble charts to find a problem thru testing

Nov 25, 2014 | Cars & Trucks

1 Answer

Hello, I have a problem with my Saturn Astra 2008,

U0121 Lost Communication With Electronic Brake Control Module

As with most trouble codes, the U0121 code gives a general diagnosis. Review the info on this link. Look through the service bulletins. The problem could be a loose plug or faulty wiring to one of the modules or between modules that are listed in the article. I hope this helps somewhat. Good Luck......

Apr 03, 2014 | Saturn Astra Cars & Trucks

1 Answer

Trouble code 84-1 sensor logic failure

Red the oper ,guide, yet, or the FSM.
or at ?
why not get it serviced? if not say why not? so we can respond
in the correct way.. (you just want a wild guess?) what?
Vehicle Stability Assist

ok, so there are 2 possibles. (macro viewed)
  1. Driving wrong, or skidding.
  2. or a malfunction of the system.
only you know the truth of above.!
did you even read the operators guide?
how the lamp acts? VSA.? off, on, blinks, etc?
is this a post where there are no dealers or ASE mech, availible?
or no FSM? fixing modern cars FSM free is a huge, fail mode...
if its a failure get the system scanned, ABS and PCM and BCM all?!

First of all you need to clear ABS errors
did you see the recall

and guess what, bad brakes, make ABS fail and so will VSA.
in that order. so... SCAN IT ! then wonder. (all cars 1988 to now)

here is how it works ( it uses ABS) quote:

Vehicle Stability Assist

The Vehicle Stability Assist (VSA) was introduced by Honda to its vehicles in 1997. The term is Honda's version of Electronic Stability Control (ESC),[22] an active safety feature developed to correct oversteer and understeer by using several sensors to detect loss of steering control and traction while simultaneously braking individual wheels to help the vehicle regain stability.

How VSA Works

VSA combines the Anti-lock Braking System (ABS) and Traction Control System (TCS) with side-slip control to help stabilize the vehicle whenever it turns more or less than desired. ABS is an existing system that prevents the vehicle's wheels from locking up under braking, especially in slippery road conditions. For the ABS to work, the system relies on the computed input from a steering angle sensor to monitor the driver's steering direction, the yaw sensor to detect the momentum of which the wheels are steering (yaw rate), and a lateral acceleration (g-force) sensor to signal the changes in speed. At the same time, the TCS will prevent wheel slip during acceleration while the side-slip control stabilizes cornering when the rear or front wheels slip sideways (during oversteer and understeer).
Controlling oversteer - During an oversteer, the rear end of the vehicle will spin out because the rotational speed of the rear wheels exceeds the front wheels. VSA will prevent the vehicle from spinning by braking the outer front wheel to produce an outward moment and stabilize the vehicle.
Controlling understeer - During an understeer, the front wheels loses traction during cornering due to excessive throttle and causes the speed difference between the left and front wheels to decrease. When the vehicle steers outwards from the intended trajectory, VSA intervenes by reducing engine power and if necessary, also braking the inner front wheel.

Feb 25, 2014 | 2006 Honda Pilot

2 Answers

2007 honda accord. VSA and ABS lights stay lit when the car is on. lights do not blink and the switch to turn on VSA doesn't do anything when pressed now.

VSA and ABS use anti-lock brake sensors to complete the calculation.

The first thing to check is to make sure all 4 of the ABS sensors are clean.

Go to your local car wash and clean the wheels first.
KEY OFF / then reconnect the VSA sensor.

Pull the OBDII and email it to me.

Jan 16, 2014 | Honda Accord Cars & Trucks

2 Answers

VSA shows on my dash and the vehicle seems to remain in the same gear. It can't accelerate after the car has been slowed down. The error message can only be reset when the engine is switched off...

"VSA" stands for "Vehicle Stability Assist". This system has four indicators: The ABS indicator, the VSA indicator, the VSA activation indicator and the Brake System indicator.
When the system detects a malfunction, it illuminates the appropriate indicators. Depending on the failure, it determines which indicators to illuminate.
These lights illuminating do not necessarily indicate a failure in the VSA system itself. The VSA is only PART of the computer network in your vehicle. Information is shared among several control units. Certain malfunctions in the engine control or transmission control systems can cause the VSA to be disabled and the warning lamps will illuminate.
The only way to determine the cause of the problem with your vehicle is to perform a computer network scan to find out the nature of the failure and which control module requested the VSA to be disabled.

Apr 13, 2012 | 2004 Acura MDX

2 Answers

I also got code u0122 on honda accord 09 showing abs,vsa,and brake light need help please!

code u0122 fcan malfunction ecu to vsa. dealership has to fix.problem in your ecm and vechicle stability assist.

Nov 08, 2011 | 2009 Honda Accord

1 Answer

How do you reset blinking vsa light

Who did the work? The speed sensor in one of the new hubs could be bad or during the insulation one of the pins got damaged. I would suggest to look at ABS system, scan for any active code/s, take a look at live data and see if a relearn procedure is needed because of the installation of the new hubs. But you will probably find that the fault has to do with an ABS wheel speed sensor. Good luck.

May 12, 2010 | 2004 Honda CR-V

1 Answer

The vsa, !, and check engine light came on and are

check around the area of repair for loose ,damaged or disconnected wires or connections-especially the abs system if looks good than either bring back to mech and advise of trouble light on after repair or get scanned somewhere else most auto stores[ such as auto zone/advanced auto check ur local area] scan for free- the trouble code will give u a start point towards correcting ur problem

Feb 13, 2010 | 2004 Acura TL

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