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Re: UEC communication failure Posted by MC [Email] (#1472) [Profile/Gallery] (more from MC) on Wed, 5 Jun 2019 15:14:02 In Reply to: UEC communication failure, MC [Profile/Gallery] , Wed, 5 Jun 2019 14:48:55 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Here is some additional diagnostic run-down.
When viewing BUS "read / reset configuration" menu with the Tech2 it says UEC "NOT EQUIPPED"
if I attempt to ADD control unit it will notify the UEC communication is not possible / lost.
and in the POWER SUPPLY menu UEC battery power supply AND 15+ data are displayed as "*"
I've confirmed T30 and T15 voltage at the UEC connections (UEC removed).
and checked continuity of all the ground wire connections.
Plugged in a spare/used UEC and nothing has changed.
(they could both be faulty, let's not discount that possibility).
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