My view is wrong impedance.
I would check the PDM.
Mostly negative lead to ground and battery.
So many errors can cause incorrect impedance.
And this is a problem in 2011.
I'm looking at the forum since 2008
I am honored that watch us well as past issues
You need something?
THX
geroj is definatly onto something there
with all these codes dealing with voltage issues all over the place i would certainly check the battery and load test it. If bad then replace and then see how truck runs. Most of these codes will dissapear probably but with those that are persistant , try clearing them, if any return then deal with those.
if you have never been into the computer system through the dash before i would not do it without 'onhand' assistance. Even with the manual not knowing what you're doing could result in bad things happening. Even as much as i or geroj or anyone else may want to help you with this part i wouldn't recommend it without 'onhand' assistance.
Just my.02 on this...
you can do what you want though
good luck
You have access to the display?
5x5
How can I delete the codes ?
I first delete the list of errors.
Then replace the battery.
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having a correct serial number (or at least the series) might help to be sure you get the correct information.