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Check Engine Light - Check VSC

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Old 10-01-14, 11:26 PM   #196
drew1976
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I have a 2007 GS350 and all of the lights (Check 4WD, Check VSC, Brake, Engine Warning, etc.) are on.

I bought a scanner, hooked it up and it came back with no codes. I know the scanner is working because it came back with the correct VIN, but no codes at all. From reading this thread and elsewhere, I'm thinking it is either a fuse (how to tell which fuse) or something with the battery? Can't figure out what else it could be since the reader is coming back with no codes. Also want to make sure it is safe to drive since there are no actual codes flipped. The fact that the Brake (emer brake) light is on too makes me believe it's something electrical. Battery is less than a year old from Autozone.

Any other ideas or something I'm missing?
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Old 10-02-14, 05:30 AM   #197
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Alternator or battery would be my guess.
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Old 10-13-14, 05:29 PM   #198
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So my GS350 mentioned above with all the lights (brake, VSC, 4WD, CEL, etc.) - the battery tested out ok but alternator tested bad.

We had the alternator replaced but all the lights are still coming on. Taking it to the dealer tomorrow, but anything else I should check before taking it in? It's still coming back with no codes reported on the scanner.
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Old 10-13-14, 11:44 PM   #199
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please keep us updated to what the dealer says… thanks
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Old 10-14-14, 02:47 PM   #200
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I just had this situation happen this past week with my 2006 GS RWD.

The code was:

P0031
Heated Oxygen
Sensor Heater
Control Circuit Low
Bank 1 Sensor 1

10 dollar gas cap, a few days (3) of regular use and the lights/code are gone.

I made a different thread thinking it was the O2 sensors, so wanted to post in this thread in case anyone else has the same code in future.
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Old 10-21-14, 08:29 PM   #201
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Default VSC light wont go away

The following post can go in multiple threads but I'll post it here and post a link in other threads if needed.

Ok, so my alternator died and I got it replaced. A few days after that, my car would jerk when shifting from 5th to 6th gear. I thought it was transmission but after researching here I decided do a ECU reset. I know I pulled and put the fuse back in correctly. However, after this, I had several issues.

1. VSC light is on with CHECK VSC message.
2. Remote won't unlock the door.
3. The unlock button on the door won't work.
4. Door lights won't come on.
5. cabin lights won't come on.
6. AFS light blinks constantly.

# 2 - #5 works fine once I start the car though.

My question...what may have I inadvertently done wrong while trying to reset ECU? How come so many things stopped working all of a sudden?

By the way, the issue with my transmission stuttering between 5th and 6th gear is still there. If this turns out to be transmission issue, I would dump the car and get a new one, however, I want the lights gone otherwise dealer won't pay anything for it. I just got new tires, batteries and alternater so I have quite a bit invested in the car already but I am willing to cut my losses if it is transmission.

Last edited by pakilegacy; 10-21-14 at 11:52 PM..
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Old 10-21-14, 09:14 PM   #202
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Quote:
Originally Posted by drone6 View Post
I just had this situation happen this past week with my 2006 GS RWD.

The code was:

P0031
Heated Oxygen
Sensor Heater
Control Circuit Low
Bank 1 Sensor 1

10 dollar gas cap, a few days (3) of regular use and the lights/code are gone.

I made a different thread thinking it was the O2 sensors, so wanted to post in this thread in case anyone else has the same code in future.
Completely coincidental... there is no way a gas cap sets that code. It will probably come back again.
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Old 10-21-14, 09:14 PM
 
 
 
 
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06, brake, cap, cel, check, engine, gas, gs300, gs430, is250, lexus, light, lights, ls430, reset, vsc

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