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post #1 of 4 (permalink) Old 05-03-2012, 09:47 AM Thread Starter
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Sportsman500H.O.2005's Avatar
Join Date: May 2012
Location: canandaigua NY
Posts: 5
Sportsman 500 ECM Rebuild

I have a 2005 sportsman 500 HO and when i connect the battery the fan starts without the key and kill switch off so the ECM certanly is fried, i had the recall done already too. Anyone know how to fix this problem or where to look in the ecm? thanks!!
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post #2 of 4 (permalink) Old 05-03-2012, 04:43 PM
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Join Date: Sep 2010
Location: Wisconsin
Posts: 1,808
You must have gotten am ECM that wasn't upgraded, can't be rebuilt, check with your dealer.
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post #3 of 4 (permalink) Old 05-03-2012, 04:52 PM
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Location: Woodstock, IL
Posts: 226
can be rebuil;t but not worth it. mine was bad, i bought new and sent mine in with a electronic place with deal with at work. came back to repair at 325. I paid 350 for new.

2007 Polaris 500 HO EFI
Polaris front and rear rack extenders
Polaris left and right mirrors
Polaris hand guards
Polaris front brush guard
Moose rear brush guard
K&N filter with pre filter
Polaris front HD springs
viper max winch, rope(remote)
temp gauge with fan on override
reverse override
front and rear A arm guards
full skid plate
hot seat exhaust
EPI red clutch spring
Polaris lock and ride rear cargo box with backrest
Polaris lock and ride front mini tinted windshield
rad relocate
Bear Claw 26x9-12 front 1/4 spacer
bear Claw 26x12-12 rear 1/4 spacer
Engine Ice
SS212 Machined rims
HD EPI rear springs


Illinois Mud Riders

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post #4 of 4 (permalink) Old 05-04-2012, 08:24 AM Thread Starter
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Just found one for $150 so i think i will be buying that if i cant get it free from the dealer, here is the ebay link if anyone else needs one: OEM Polaris Surepower ECM 04-06 Sportsman Scrambler 400 500 2203348 | eBay

Thanks for the info guys!
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