code problems p2121 and p2122 - Dodge Cummins Diesel Forum
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post #1 of 2 (permalink) Old 08-02-2011, 11:22 PM Thread Starter
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code problems p2121 and p2122

I know Iv seen it on here a lot but nothing seems to fix it on mine. P2121 and P2122 codes on my 06 dodge cummins. Checked and cleaned grounds, took "APPS" out of my 06 that is fine and swapped it into my 06 that is bad and they are both the same. Need any help anyone can offer, I dont want to take it to the dealer

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post #2 of 2 (permalink) Old 10-31-2011, 02:23 AM
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try this

Clean all Chassis grounds, Clean contacts in the front connector plug on the ECM with electrical contact cleaner and blow dry with Dust Off. Apply dielectric grease to the contacts and re connect. It has worked for me so far. Good Luck

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