Oct 4, 2008 · This could be caused by a module disconnect, programming, low battery, disconnected battery or a wiring concern that causes KAM power to be removed. Like most codes, a P0603 is …

Jul 21, 2011 · What do heck does Trouble Code P0603 (Internal Circuit Mod. KAM error) mean? Thanks, Griz

Oct 13, 2023 · Is there a list of codes in this site? I cant find it. Im throwing P 0603 after jumping on the throttle with my new tuner.

Dec 31, 2009 · I started my truck up this morning.... and out of the blue it threw a CEL with code # P0603: Power Interruption on (KAPWR) circuit. I tried to reset this code a couple of times but it pops …

Jan 9, 2025 · The only code I am getting on the OB2 test is a P0603 power interruption on KAPWR circuit. Last thing when it cranks, it doesn't sound normal instead of the what I would describe as the …

Jun 26, 2017 · My Excursion 7.3 is running in limp mode, the problem is a P1280 code, and P0603. I think the is something with the wiring or the PCM. The problem is that when driving, the engine will …

Jul 22, 2014 · p0603 is a Keep Alive Memory code - usually triggered when the battery is disconnected. I would advise clearing the codes and see what comes back.

Jul 21, 2009 · The P0603 is because you installed the tune. You'll get the same thing if you disconnect power to the PCM, and is not a problem. The P1211 means your HPOP can't keep up with the …

Jun 7, 2005 · I have a 01 powerstroke, yesterday I ran a diagnostics check with the Superchips MAX Micro Tuner and it gave me this code P0603 - Internal Ctrl Mod KAM...

Aug 20, 2009 · P0603 When the engine starts up the check engine light turns off and the AE scanner reads: At Idle: The Injector Control Pressure averages around the 580 PSI range The Injector Control …