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2007 apex gt ER-1 code

Bear345051

Newbie
Joined
Nov 13, 2023
Messages
3
Age
55
Location
NJ
Country
USA
Snowmobile
2007 apex gt
I went to start my sled, which is garage kept, and I’m getting the ER1 code. My battery is weak so I put my charger on it and I’m still getting this code. The load relay isn’t working either. I’m a diesel mechanic so I checked and found the relay isn’t being supplied a ground signal from the ecu on this relay and my fuel pump relay. I checked the ground junction blocks , none were burnt. I unplugged the ecu and checked the 2 black ground wires for the ecu, they ohmed out fine. Has anyone else seen this. Any help would be appreciated
 

I’ll see if I can order one tonight.
I have to correct myself. Looking back in some threads and my code was ER-12 not ER-1 as you have.
Type in ER-1 in the search tab in the upper right corner. There are a few threads covering this issue. Some point to battery, gauge cluster and to the ecu.
 
I had the ER-1 and replaced the gauge cluster.
 
thanks everyone, it was the AGM battery . Had plenty of volts and enough CCA’s to turn it over but I guess not enough to run all the electronics which isn’t a lot lol.
 
Check your ground wire coming from the battery. It has a spade connector that can corrode.
 


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