why my 2006 chevy hhr power steering light stays on and automatic trans.wont shift out of low gear.also speedometer wont work,or outside temp gauge code says it has lost communication with transmissio

Asked by Dec 06, 2014 at 11:28 PM about the Chevrolet HHR

Question type: Maintenance & Repair

I have had it tested at autozone with code reader.It just said oxygen sensor needed
replaced and that it had lost communication with trans.It all started when i installed a
kenwood stereo system

3 Answers


Ok if all of that happened when you put in the stereo you need to take it back out ASAP. Did you use an installation harness or did you cut off the factory plugs and hard wire it the hard way?

1 out of 1 people think this is helpful.

Sounds like you disturbed wiring for the trans while installing the stereo. The Oxygen sensor may be at the end of it's life. They usually have a very low voltage output (.3 to .9 VDC) and the precious metal (platinum) wire sometimes begins to fail causing the output to vary


Recall ongoing with GMregarding steering

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