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TC light comes on if car sits idling

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Old 01-28-2018, 10:25 PM
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Location: weatherford texas
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TC light comes on if car sits idling

The TC only comes on after we've been driving for awhile and then you put it in park with the engine running. There are no codes. i have checked them myself. after the car is turned off for awhile the light goes off and the shifting goes back to normal. Any thoughts?
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Old 01-29-2018, 07:43 AM
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A sensor in you hub is probably out.
There are codes, but not check engine codes, so you can’t read them with a normal obd reader.
You have four hubs with a sensor in each, the dealer charges $100 to tell you which one is the problem, but hopefully someone on here knows of a obd scanner that will work to read those codes?
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Old 01-29-2018, 08:25 AM
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Could be a VVT valve malfunctioning. If it just happens 1 time the CEL would not come on, if possible check for codes when the TC light is on.
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Old 01-29-2018, 08:27 AM
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A code scan might read pending codes.
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Old 02-03-2018, 08:51 AM
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thanks for the replies. gonna check the codes as soon as the light reappears.
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Old 02-03-2018, 09:38 AM
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You can not check codes with a regular obd scanner, you must have one that can read traction control and abs codes.

If anyone on here knows of a scanner that worked for them please list it here as I am also looking to buy one to read my traction control codes.
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Old 02-03-2018, 10:35 AM
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Found this OTC 3208 reader, I have not used this one but, I don’t have ABS or TC on my 2007 LS

https://www.otctools.com/products/OBD-II-and-ABS
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Old 02-03-2018, 10:36 AM
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Originally Posted by gio89kid
You can not check codes with a regular obd scanner, you must have one that can read traction control and abs codes.

If anyone on here knows of a scanner that worked for them please list it here as I am also looking to buy one to read my traction control codes.
I got one at Advance Auto parts that reads them, it was about $70 on sale. (I had a coupon)
It is the Actron CP9660. It lists the HHR as a chevy truck.

Amazon Amazon
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Old 02-03-2018, 09:50 PM
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I bought this scanner to find out which hub was causing the ABS light to come on intermittently:

https://www.bluedriver.com/

Its a bluetooth scanner that plugs into the OBD connector and transmits to your smart phone. The bluedriver app is free, the scanner is $99. It also can real-time monitor whatever signals that you select. It works real well every time I have used it. Their web site lists what codes it can read for any specific vehicle. I believe it reads all codes for the HHR except airbag codes.

Steve
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