2009 Xp ECM and cluster match up

foghorn

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Oct 17, 2007
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So I put a new ECM and Dess key that were a matched set in my sled and it starts and runs fine but cluster just reads RPM. When I first start sled gauge tests out fine then just RPM will read and Engine light is on and Dess light is flickering. Do I have to get the gauge programmed to ECM
Thanx
 
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