want to know more about fault code 2637
01-06-2021, (Subject: want to know more about fault code 2637 ) 
Post: #6
RE: want to know more about fault code 2637
Rawze's post reminded me...

I forgot to mention you need to check that the DPF differential pressure is reading zero with the engine off. They often read low numbers above zero and throw off the aftertreatment monitors in the ECM.
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 Thanks given by: Rawze , JimT , DVT873


Messages In This Thread
RE: want to know more about fault code 2637 - Signature620 - 01-06-2021



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