Error code p1211 and p1249
I just purchased a used 2000 Ford 350 7.3L DRW to pull my 5th Wheel RV. It's got low miles (63K) and the gentlemen that I purchased it from really took extremely great care of it. He put in the Banks Power package as well (Exhaust Brake, Chip, Exhaust, etc.) and used the truck to pull his RV.
I just took the truck and RV out on the first trip this past weekend down to San Diego (just an hour away). On the way back, I was going down a hill on the freeway and after reaching the bottom of the hill, I started coming up a big hill and really had to get on the gas pedal going up the incline. As soon the gear dropped from 4th to 3rd gear, the RPM jumped up (to about 2700 RPM) and immediately the "Check Engine Light" came on. There was no noticeable difference in performance when this occurred. When I got home, I checked the error messages and I got error codes p1211 and p1249. After doing a little research on these forums, it seems to happen to others.
Is this something I should worry about? As I mentioned, I just got the truck and want to make sure I'm not overloading the truck and/or damaging it. I'll get the message cleared out, but am just wondering from others that have this truck if this is something I should be concerned about. I just changed the oil on the truck and I know it's not low (which other postings have mentioned as a potential problem). Would love to hear back from the community on this on how best to handle this.