P0122 - Step #6

[99Canada]

Posted in 2nd Generation Dodge 24 Valve Powertrain

Hello all !   Recently the p0122 came on my 99 cummins, with severe driveability issues, when the throttle is pressed it revs up then dead peddles, revs up then dead peddles. I found Moparmans P0122 test and was working down the list, got to step #6 and I'm confused now if I need a ECMor an APPS.   The step is as follows "6. Check Dark Blue/ White wire for continuity between terminal no. 5 on apps harness and terminal No. 31 on ECMharness connector . If continuity does not exsist, repair Dark Blue/White wire" if continuity does exsist, replace and reprogram the ecm."   So if it doesnt have a broken wire, you need an ecm. If it has a broken wire, fix it. Then you have continuity, then you need an ecm? Something seems off here.      Thanks for any help! I hope I dont need an ECM!

[Dieselfuture]

My wild guess here is you need one of these 

 

And then make sure to do WT ground mod and clean all your grounds another terminals on battery etc