My wife has an '04 Tahoe. The temp guage on the rearview mirror just started reading 10-15 degrees cooler than the actual outside temp.
Any thoughts?

The manual has a setting procedure, could check there.

Mine just reads OC. Any ideas on what is wrong?

My wife has an '04 Tahoe. The temp guage on the rearview mirror just started reading 10-15 degrees cooler than the actual outside temp.
Any thoughts?

Set to Metric???

i had one that started reading incorrectly then went to "OC". (open circuit?) replaced the sending unit and all is well.

i had one that started reading incorrectly then went to "OC". (open circuit?) replaced the sending unit and all is well.

You wouldn't happen to have a p/n for the sending unit, do you? I got a buddy at work who is having the same issue.








Gary

"Sensor #15047946" $17.45 + tax at the dealer last summer. this was on a 02 trailblazer, but the tech said they all used the same sensor.

Thanks!!






Gary