Check engine light and traction light went on
The check engine light and traction light went on simultaneously. Dealer found fault codes 1201 and 1231. He said we need charcoal canister replaced and new steering angle sensor (around $1,200). I'm skeptical from what I've been reading online. Thoughts on what else it could be or how to confirm that these are actually needed??
Your skepticism is well founded. There is a Toyota Technical Service Bulletin which addresses the C1231 code in your vehicles computer. The C1201 is a Steering Angle Sensor Code. Based on your description and concern...I see no connection with the Charcoal Canister. You might consider a second opinion from another Toyota Dealer. The Steering Angle sensor may only need to be RESET. The TSB is most likely a "reflash" of the ABSTC Computer. Ask the Dealer what it would cost to perform TSB 0086-12 which address the c1231. Get as much detail about the repairs as possible and get back to us. Knowledge is Power.
BTW...what Engine and mileage for this vehicle.
Thanks for your reponse. We have about 73,000 miles and not sure the engine type. We brought it to a mechanic this morning who reset the.lights and they came on again. He said he could smoke out the emission line to see if there is a leak. That was what he thought the problem was but that test will cost about $100 before any repairs are made...
(from OaklandNJGregory) The only engine information I have been able to find for our 2010 Camry LE is '2.5 liter'. I hope that helps.
Your mechanic should be able to look up that TSB in his computer to see if it applies to your CEL/TCS codes and concerns. As far as that "smoke" test/procedure is concerned..it appears there IS and issue with the EVAP System. So...I assume there must be another Code...other than the C1201 and C1231 set in the Computer.
Update....slight typo error....That Toyota TSB is...TSB-0086-13. Good luck.
Oakland...any update on the issue with this vehicle?
Did you ever find out why those lights went on simultaneously and what was going on? Mine did the same today
It was a loose gas cap on my wife's 2011 Camry. As soon as I tightened it, the traction light went out immediately and the engine light went out a couple of cycles later.
My Trac Off light and Check Engine lights had been on for about a year. Pressing the Trac button had no effect. Bought a $15 Bluetooth enabled OBD II reader off E-Bay which told me there was an issue with EVAP. I read there might be any number of causes, but that it could be something as simple as replacing the gas cap. So I spent $5 on a new cap and used the device to clear the codes. When I did, the Check Engine AND Trac Off lights finally went out and it's been 3 months with no reoccurence. The Trac button works as it should now. Total cost of solving both problems, $20.
I have a 2011 Toyota Camry with over 198K miles and recently had traction and check engine light come on simultaneously. I tightemed my gas cap and the lights came off after a while
This happens when the air filter was wrongly placed and dust clugged the airflow sensor. I removed the sensor and cleaned it and realigned the air filter correctly and got the air filter cover screws they lost replaced and reset the ECU. All light went off. If its steering angle or camber alignment, the check engine light will not come on but only the traction light will be on. And this happens when inexperienced drive towing your car place the towing chain on any of the control arm or you run over a covet that hit your control, trail or lateral arm, or run over a pot hole.
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