Rames, Info. found at Insightcentral. Older insights 00-04, code P1448 may set if the batteries inlet duct or exhaust duct get blocked. If not blocked check the battery fan. If the fan works, the battery may be at fault and needs to be rebuilt or replaced. Check the attached links,instruction and guides, Good luck.

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http://www.insightcentral.net/forums/pro...

http://www.crzforum.com/forum/engine-bat...