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Old 07-20-2011, 07:16 PM
Xxtreme Xxtreme is offline
Hummer Novice
 
Join Date: Aug 2004
Location: SoCal
Posts: 20
Xxtreme is off the scale
Default H2 slipping out of gear

I drive a 2003 H2 (original owner), and it currently seems to slip out of gear at various shift points.

I have set all programming back to stock. Only code that came up was 1518 (Electronic Throttle Mod to PCM Comm). It does not seem like the transmission has any other issues, noises, symptoms. All fluid levels are great, and no debris in transmission fluid through dipstick check.

Wondering if it might be one of the controllers or solenoids.

Any suggestions would be helpful.
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