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My abs light is on along with the brake light. Obd is saying…

Customer Question
My abs light is on...
My abs light is on along with the brake light. Obd is saying code 34 which is rear left abs sensor. The front and rear left sensors are the same so I swapped them to see if the code would change to the front right. After swapping the sensors obd still says rear left sensor which now makes me think its something else other than the sensor.
Submitted: 2 years ago.Category: Toyota
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Answered in 7 minutes by:
2/19/2016
Toyota Mechanic: roy, import/domestic specialest replied 2 years ago
roy
roy, import/domestic specialest
Category: Toyota
Satisfied Customers: 7,937
Experience: ASE master tech for 40 years
Verified

good evening my name is ***** ***** I will assist

since you replaced the sensor, there is the tone ring that may be damaged or a wiring issue. inspect the connector for any damages pins. follow the harness to be sure there is no damage further up the car.

Roy

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Customer reply replied 2 years ago
The light often goes on and off and I noticed when it does my speedometer jumps around and also I feel the rear breaks applying even though im not pressing the brakes
Toyota Mechanic: roy, import/domestic specialest replied 2 years ago

sounds like the tone ring or dirty mounting area for the sensor

Roy

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Customer reply replied 2 years ago
Is the tone ring something I can easily replace or just clean it?
Toyota Mechanic: roy, import/domestic specialest replied 2 years ago

is it part of the axle or the hub bearing??? cannot be cleaned. if it is damaged, it will have to be replaced

Roy

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Toyota Mechanic: roy, import/domestic specialest replied 2 years ago

how are you making out

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Customer reply replied 2 years ago
I haven't had a chance to look into it yet. Got busy with work. As soon as i look into it (tomorrow) ill let you know. Thanks your helping!
Toyota Mechanic: roy, import/domestic specialest replied 2 years ago

no problem will be here

Roy

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Customer reply replied 2 years ago
Looker into the tone ring today. Seemed to be pretty clean and no debris. I also took a dremal tool and sanded the abs mounting surface clean so there wasn't any rust or corrosion. After all that I cleared my abs codes and started it. The abs light went off and then I took it for a drive. About a mile or two of driving the light came back on. So I went home and then later this evening the light went off. Not sure what's going on.
Customer reply replied 2 years ago
Looked *
Toyota Mechanic: roy, import/domestic specialest replied 2 years ago

did you replace the sensor??

Roy

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