Recently installed a Smarty POD and everything is working great and I'm learning as I go along. Checked to see if I had any codes stored and it showed P2121 but it read "code unknown". This past Friday while towing it came on again and I cleared it. Then I drive for 375 miles and it comes on again, but now I have very low power and almost no throttle. When I got home I checked it again and it is P2121 again. Any ideas???????
Code P2121
- Thread starter sixspeed
- Start date
P2121
Hackman04
When I installed the Smarty it appeared then. Was it a coincidense that it gave me problem when the Smarty went in, I am not sure. I replaced the APPS, rather expensive even with a connection at the dealer. It did one more time after install but all has been fine since
Hackman04
When I installed the Smarty it appeared then. Was it a coincidense that it gave me problem when the Smarty went in, I am not sure. I replaced the APPS, rather expensive even with a connection at the dealer. It did one more time after install but all has been fine since
globaltruck1
New member
- Joined
- May 27, 2009
- Messages
- 634
If the apps is under the hood still this is the cheapest way to get one
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