Question about 2006 Chevrolet HHR

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2006 Chevrolet HHR LT Problem

I own a Chevrolet 2006 HHR LT that has 45k miles. I have owned this HHR since brand new. The T/C (Traction Control) light comes on and causes 'Hard Shifting", This HHR has automatic transmission and does NOT have a switch to turn off manually. The T/C light on the dashboard sometimes will shut off and the transmission woks and shifts fine, however I can be driving on the freeway and the light comes on at random. This is very annoying and also the check engine light comes on again, occasionally and when the check engine light comes on the temperature gauge does not work and the A/C also does not work, this also causes the "Remote Start" not start the HHR remotley. ANY SOLUTIONS?

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  • gordonhhr Nov 19, 2008

    problem is th T/C light came on and stayed on. was told that it was oil on the sensor. presently cleaning filter and sensor and air box. i have 98,000 miles on a 2006 hhr and been using a k & n filter all along. can not understand why now after 24 cleaning and recharging of filter how filter is now causing problem. will let you know if after cleaning all parts if light goes out and stay out.

  • Ken Williams
    Ken Williams Jan 04, 2009

    I have the T/C light coming on an the hard shifting problem. It only happens after I've been driving for a few minutes and not all the time. The radio also has a little problem with the aux input not sounding right.

    After looking elsewhere, including I am beginning to suspect electrical or computer problems... or a sensor?!?

    Any help appriciated.

  • paul erickson
    paul erickson May 11, 2010

    is this a factory remote start?

  • Anonymous Mar 18, 2014

    Service traction in computer

  • Anonymous Mar 23, 2014

    the esc light is off what is that for. and my traction light want go back off


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After searching around, I found several posts that suggested reseating all the relays and fuses under the hood. After checking, I noticed nearly all of them were not seated well. I pushed them all down and I haven't had the problem since.


Posted on Jan 09, 2009

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  • Gale Watson
    Gale Watson Jan 11, 2011

    Did this solve the problem permanently? I am now having the same problem.

  • blevinsdebbi Jul 28, 2011

    Our 2006 HHR began hard shifting. Searched the web for any suggestions and found a post that suggested reseating all the relaysand fuses under the hood. Did that and so far it has corrected the shifting. Thanks for the info.

    HHRGram - Arkansas

  • Ken Williams
    Ken Williams Jul 28, 2011

    actually the problem was an actuator in one of the wheels. It's a repair that's about $150. Talk to the dealer.

  • Ken Williams
    Ken Williams Jul 28, 2011

    This problem stems from an actuator in the wheel that goes bad. Repair runs ~$150 and is the only way to fix it.


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Hello, I recently had my temp gauge on my 2006 HHR stop working. Now from what I read online it can either be the thermostat or the sensor for the temp gauge because of the restriction of coolant or that the coolant is not getting hot enough and the sensor is not detecting it.I took it to a mechanic and replaced the sensor and the thermostat and the check engine light came off. Hope this helps with the temp gauge issue... Good luck

Posted on Nov 10, 2012

Yes Factory installed option from GM

Posted on Sep 21, 2008

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