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DTC U2103: Fewer Controllers On Bus Than Programmed
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Engine Control Module
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Engine Control Module
The Malfunction Indicator Lamp (MIL) is illuminated on the second consecutive drive trip that the diagnostic runs and fails
The ECM records the operating conditions at the time the MIL is illuminated in the Freeze Frame