Towing mirrors caused check engine light!!!!!I decided to remove the towing mirrors and replace them with regular rear view mirrors. My truck is a 2013 2500. I bought a pair of mirrors off a guy who had a 2012 2500...everything fit perfectly.A coupe of says later, the check engine light came on and the temperature display said minus forty degrees. The tranny started shifting funny, slaming into second, and hard down shifting at a stop. I was sure the computer was going bad at 3500 miles!Took it to the dealer who said the mirror swap caused the problems, because the temperature sensors for my truck are in the mirrors. Ugh....I swapped the mirrors back, disconnected the battery to clear the check engine light, and all is back to normal....By the way, I did pay a diagnostic fee of $125.....ouchWho would have thought????I had no idea how sensitive the newer computers really are....I guess I can change the oil....ha

I have never looked at the owner’s manual that came with my new cars or trucks until I had a problem probably two or three years after buying them.It only took about two days after purchasing my 2013 F150 that I realized I had better study the manual in detail. These things are so smart now that they are scary. I have decided to drive and not touch any of the computer presets, heck I tried to dim the dome lights and it took me a hour of reading to figure how to turn it off.. I wonder how long it will be before the hackers decide to wreck havoc on the computer controls.

Agreed....My truck has the option of setting the computer for light or heavy electric tow vehicle brakes, or hydraulic brakes....Took two of us and a call to the dealer service dept to make the appropriate change for my trailer...had to use a combination of the dash screen display and the uconnect radio....ugh!

That placement doesn't seem very intelligent. So if your mirror gets damaged in a parking lot or wherever, your truck may stop working? I don't know what they were thinking, out of all the places they could put it, they decided the mirror was best?

My Ram keeps telling me that Oil Change Is Due when I just had it done and tried resetting by just turning on the ignition and pushing on the brake pedal three times. No workee.

Interesting, sorry for your problems but you answered a question that I have wondered about: "where is the temperature sensor for the thermometer?"

Mirrors caused check engine light.... | Good Sam Community

45Ricochet
Explorer
Oct 16, 2013
Most likely a EPA thing :W
Still can't figure out why one would take off towing mirrors unless you don't tow anything :H
Ozlander
Explorer
Oct 16, 2013
redsb3 wrote:
That placement doesn't seem very intelligent. So if your mirror gets damaged in a parking lot or wherever, your truck may stop working? I don't know what they were thinking, out of all the places they could put it, they decided the mirror was best?

Well, it is a Dodge. :S
camperforlife
Explorer
Oct 16, 2013
Interesting, sorry for your problems but you answered a question that I have wondered about: "where is the temperature sensor for the thermometer?"
Turbo_Diesel_Du
Explorer
Oct 16, 2013
My Ram keeps telling me that Oil Change Is Due when I just had it done and tried resetting by just turning on the ignition and pushing on the brake pedal three times. No workee.
redsb3
Explorer
Oct 16, 2013
That placement doesn't seem very intelligent. So if your mirror gets damaged in a parking lot or wherever, your truck may stop working? I don't know what they were thinking, out of all the places they could put it, they decided the mirror was best?
zogg
Explorer
Oct 16, 2013
Agreed....

My truck has the option of setting the computer for light or heavy electric tow vehicle brakes, or hydraulic brakes....

Took two of us and a call to the dealer service dept to make the appropriate change for my trailer...had to use a combination of the dash screen display and the uconnect radio....ugh!
stus__family
Explorer
Oct 16, 2013
I have never looked at the owner’s manual that came with my new cars or trucks until I had a problem probably two or three years after buying them.
It only took about two days after purchasing my 2013 F150 that I realized I had better study the manual in detail. These things are so smart now that they are scary. I have decided to drive and not touch any of the computer presets, heck I tried to dim the dome lights and it took me a hour of reading to figure how to turn it off.. I wonder how long it will be before the hackers decide to wreck havoc on the computer controls.

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Mirrors caused check engine light....

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