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Old 04-02-2017, 06:52 PM   #1
Join Date: Dec 2014
Location: Boston, MA
Posts: 30
Year: 1995
Coachwork: Thomas
Engine: T444e
Rated Cap: 65
1994 T444e Error Codes

Hey all, I've had my bus for a while, but only found the diagnostic button today (it's in an atypical location, and the previous owner had removed it so it was hidden in a rats nest of wires behind the instrument cluster). I finally am able to read out the codes behind my "engine warn light", and found a few problems.

I'm now getting the following codes:

The 333 code is for the ICP sensor, which I'm dealing with soon.

The 200s and 600s seem to all be related to the VPM - ECM connection, and despite my best efforts I cannot find my VPM to test the wires. I've got a 3800 T444, does anybody know what could be causing these 4 codes, where my VPM or ECM is, or how to fix this?

Bus runs fine, Idle is a bit rough, replaced batteries a few weeks ago so that may have caused one of the codes.

coolbus is offline   Reply With Quote

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