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Trouble Code P2181 ?

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Old 04-13-2006, 09:30 PM
hillac hillac is offline
Join Date: Apr 2006
Posts: 3
Default Trouble Code P2181 ?

Hello Everyone,

I'm looking for some help identifying trouble code P2181. From the list's I,ve seen on this forum and others I am unable to find what this code identifies. Any help would be appreciated.

2003 Ram 2500 HD
5.7L Hemi
Quad Cab
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Old 04-15-2006, 01:00 AM
tenntech tenntech is offline
Join Date: Jun 2005
Posts: 151
Default RE: Trouble Code P2181 ?

P2181 Cooling system performance. You might check your coolant level and mixture. Another cause could be a coolant temp sensor or wiring to and from the sensor. The least likely cause would be a pcm.
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