P2121,P2122 codes? - Dodge Cummins Diesel Forum
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post #1 of 1 (permalink) Old 02-15-2011, 08:16 PM Thread Starter
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P2121,P2122 codes?

One is the tps code. I don't know what the other is. How do I fix this? Also there is two lil terminal blocks on side of battery on passenger side. What are these for? I have one that looks melted

2008 3500 dually.auto. 24" Alcoa's. R.I.P.!!!!!!!!!
2001 3500 4x4 6spd. str8 pipe. Edge comp.
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