3412e

[overworked]

Got a call for low power in a grinder, found all odd cylinders not firing, problem stemmed from a faulty ecm. Thought it was odd to loose 3 drivers at once. Has anyone seen this before? Serial # prefix BDT. Thanks Overworked.

 

[Nige]

Had ECM's go wonky before with all sorts of weird issues such as losing all the cab gauges on a D10R although the engine ran pefectly. A re-flash with the same Part Number of software cured the problem in many (but not all) instances. Did you try a re-flash before replacing the ECM..?

 

[overworked]

Thanks Nige, yes we did try to reflash it and same issue, Cat tech said they used to see alot of same symptoms on truck ecm. Would loose all drivers and not start. When I ran selonoid click test all odds would come up open, I jumped harness at injectors and retested then would come up short. But would not fire, made jumper to run test with even cylinder to odd injector and they would pass. Guess someone will open up old ecm and find a bad part in there.