Battery drain-intermittent

Looking to see if anybody else has seen this. Randomly I have had the battery go dead on my 2015 SP1000 Touring. Example: One time this summer it started, idled a couple minutes to warm up, rode about 1/8 mile and shut down to check minnow trap. Went to start 5 minutes later and it just clicks.

What I have identified is that the ECM is remaining live for almost exactly 20 minutes. This is very consistent as verified by stopwatch. During this time there is approx. .9 amps draw as measured with an Amp Hound. .08 amps on the fuel pump circuit and .80 on the EFI circuit. I went through connector by connector unplugging to see if it released and could not get it to shut off until it timed out at 20 minutes. I have not yet been into the speedo pod. Removing and replugging the EFI relay or EFI fuse will remove the drain until key on again.

The battery is original to the machine and I probably should change it as it sure should stand a 1 amp draw for 20 minutes, but I still need to find the root cause. Battery will start the machine in dead cold so long as it has been charged and it seems to hold voltage relatively well so long as the key is not turned on to start the draw.

Disclosure: I do have a Power Commander V fuel controller on the machine. This device is being kept active by the ECM and not the other way around. If I unplug the injector feed that powers the PC-V my draw reduces by about .2 amps but resumes as soon as reconnected.

My longshot is the ECM itself, but I hate to just throw parts at it…

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