Weird trouble code spn 168 fmi 13
02-22-2021, (Subject: Weird trouble code spn 168 fmi 13 ) 
Post: #1
Weird trouble code spn 168 fmi 13
2015 Pete 389 cm2350. All started over a year ago when someone else drove my truck while I was on vacation and killed the batteries multiple times. (No idea how). Code is active, have cleaned all the cables and grounds I can find, checked relays and fuses. Insite ecm voltage while running is 13.5 to 13.75 all the time. Dash gauge is 13.75-14.0. Batteries read 14.2.
Also changed alternator. I checked insite and it doesn’t even acknowledge the code. The description is battery potential input 1 out of calibration.
Hope someone has a idea. Cause this truck has had weird issues with running sensors and such.
Thanks.
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02-22-2021, (Subject: Weird trouble code spn 168 fmi 13 ) 
Post: #2
RE: Weird trouble code spn 168 fmi 13
unhook batteries for a solid 30 mins (to kill the cab controller memory) then re-connect and clear all codes using some generic software like Jpro, etc... insite will not clear codes on the dash modules.


User's Signature: ->: What I post is just my own thoughts and Opinions! --- I AM Full Of S__T!.
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02-22-2021, (Subject: Weird trouble code spn 168 fmi 13 ) 
Post: #3
RE: Weird trouble code spn 168 fmi 13
(02-22-2021 )Rawze Wrote:  unhook batteries for a solid 30 mins (to kill the cab controller memory) then re-connect and clear all codes using some generic software like Jpro, etc... insite will not clear codes on the dash modules.

I’ll try it out tonight. Thanks Rawze
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