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ABS and VSC warning lights on, car will not shift out of Park

Tiny
EGOPHER
  • MEMBER
  • 2005 TOYOTA SIENNA
  • 3.3L
  • V6
  • 4WD
  • AUTOMATIC
  • 125,000 MILES
One day after a 1,400 mile road trip, my van is showing ABS and VSC warning lights on and will not let me shift out of Park.
The TPS light was also on, but was able to reset that by putting more air in driver side front tire and/or resetting via TPS button. Tire pressure seems okay, and the car has Run-Flat tires,
Jumpered OBDII pins 4 and 13 together to see blink codes. Cruise control light blinks six times, pauses and then blinks nine times.
Tried pressing brake pedal eight times in less than five seconds but that did not reset warning light.
Also tried disconnecting negative battery terminal, waiting fifteen minutes and reconnecting, which did not reset warning lights.
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Monday, December 31st, 2018 AT 2:55 PM

12 Replies

Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

This means you have ABS brake system trouble codes stored in your vehicles computer. First thing I suggest is to have the code(s) checked.If you don't have access to a code reader/scanner your local auto parts stores have a tool loaner program and can rent you one.Usually Autozone will scan codes for free. Here is a tutorial showing what is involved retrieving codes:

https://youtu.be/rTtAnsOlZU4

Jumping the data link pins sometimes is ineffective in the diagnostic process.Once you have the codes read get back to us with the code numbers and we will be happy to help properly diagnose. Hope this helps and thanks for using 2CarPros.
Danny-
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Monday, December 31st, 2018 AT 3:11 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,185 POSTS
It sounds like you have a bearing hub going out which will cause the sensor to stop working causing the ABS light to come on. To see which on it is here is a video to show you how to test it:

https://youtu.be/rTtAnsOlZU4

Please run down this guide and report back.
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Monday, December 31st, 2018 AT 3:52 PM
Tiny
EGOPHER
  • MEMBER
  • 5 POSTS
Thank you Daniel and Ken.

I found the shifter lock override button and was able get the transmission out of Park and move the vehicle.

The AutoZone store near me said their diagnostic only applies to Check Engine light. In our chase the Check Engine light is not on, so their free scan tool wouldn't apply.
To see ABS codes they said I would need to purchase a $253.00 scanner. Which scanner were you using in your YouTube video and how much did that cost?

Regarding the Wheel Hub Bearings, we did not hear any abnormal noises coming from any of the wheels in all the driving we did over the last several days. We went round trip from San Jose, CA to Portland, OR (1,400 miles round trip) over several mountain passes up to 4,300 feet, rain and snow at speeds up to 75 mph and the car worked fine. It wasn't until the next day after the car sat overnight that we experienced the ABS and VSC error.

I don't recall ever having the Wheel Hub Bearings replaced or repacked but we did have the Power Steering rack replaced at 72,000 miles. Nothing in the paperwork specifically indicates the wheel bearings were serviced. This is an AWD model so wouldn't that have been a pretty costly job? (Especially at a Toyota dealer)

I don't know if this could be related but last month we did experience a check engine problem on another road trip. The error code was P0430-Catalyst System Efficiency Below threshold (Bank 2) which we remedied with a single treatment of Cataclean.

Thank you!
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Monday, December 31st, 2018 AT 5:33 PM
Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello again.

Yes, a scanner/code reader to check those codes have to have ABS (anti-lock brake) capabilities. Most inexpensive code readers at your local auto parts stores like Actron brand are $40.00 and will only read check engine light codes. We will continue to look into your vehicle problem. Hope this helps and thanks again for using 2CarPros.
Danny-
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Monday, December 31st, 2018 AT 9:33 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,185 POSTS
Here is a link to the scanner. Get this one or comparable.

https://www.amazon.com/gp/product/B01MQGAP3Q/ref=as_li_tl?ie=UTF8&tag=2carprcom-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B01MQGAP3Q&linkId=677f9cd714475e51e4287898d9caf171

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Tuesday, January 1st, 2019 AT 4:04 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,185 POSTS
Is the battery in good condition? Here is a guide to help us load test the battery it sound like you have multiple problems let see if they are related.

https://www.2carpros.com/articles/car-battery-load-test

Please run down this guide and report back.
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Wednesday, January 2nd, 2019 AT 10:24 AM
Tiny
EGOPHER
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  • 5 POSTS
Hi Ken and Danny L,

Using an OBD2, I was able to pull the following codes from the vehicle:

P0504 Brake Switch "A"/"B" Correlation
C1223 ABS Control System Malfunction
C1246 Master Cylinder Pressure Sensor
C1249 Open Circuit in Stop Light Switch Circuit
C2106 Stop on Fail

The Check Engine light is not on, just the ABS and VSC.

Would battery condition show up in an OBD scan?
So far no trouble starting the engine and no visible corrosion on terminals or battery case defect.
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Wednesday, January 2nd, 2019 AT 3:28 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,185 POSTS
Sometimes the battery will show up. You need to load test it. Did you follow the guide above? Next, please clear the codes then without driving it start the engine and run the codes again. This will tell us which code is the most prevalent. How is the brake pedal, good?
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Thursday, January 3rd, 2019 AT 9:50 AM
Tiny
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Performed Load Test. Left headlights on for fifteen minutes. Car started up fine, lights didn't dim, no clicking.
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Sunday, February 3rd, 2019 AT 1:20 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,185 POSTS
Can I ask if the brake lights are working? The codes are pointing to the brake light switch being out. Here is the location so you can check it out. Check out the diagrams (below). Please let us know what you find.
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Monday, February 4th, 2019 AT 10:25 AM
Tiny
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Hi Ken,

The rear brake lights are not working.
The white reverse light and rear turn signal indicators do work.
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Tuesday, February 5th, 2019 AT 5:09 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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Good work, there are to relays that need to be checked (VSC fail, VSC motor). here is a guide to help you check them and the relay locations along with the ABS wiring diagrams so you can see how the system works:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Wednesday, February 6th, 2019 AT 12:06 PM

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