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 2001 IC T444E - DTC 626
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Posted - 11/06/2012 :  12:53:46 PM  Show Profile  Visit Clipper86's Homepage  Reply with Quote
I have a 2001 IC T444E setting a DTC code 626, unexpected reset diagnostic trouble code. I have clean battery cable, grounds, connections at the starter. Still sets this 626 code. Happens driving down the road or just idling in parking lot. Engine stumbles like a miss and wait to start light comes on. Engine never stalls completely. Does anyone having any ideas? This one has me stumped.....

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Posted - 11/06/2012 :  1:37:36 PM  Show Profile  Reply with Quote
The cheat sheet says batteries.

Have you load tested them? I'd recheck all the battery/starter/ground connections and probably even throw a set of batteries at it (perhaps a bad cell or 2 in one of the batteries?)
You can also check the connector at the ECM itself to make sure it hasn't come loose a little bit. I've seen that happen more than once, causing issues that are hard to duplicate.

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