2020-2021 TITAN/TITAN XD; TCM COMMUNICATION ERROR
CAUSING A NO START CONDITION
IF YOU CONFIRM
The customer states the engine will not crank and will not start.
(The incident may be intermittent.)
And
There is a U0101 DTC (Lost Comm TCM) in the Engine Control Unit (ECU) and/or the
Shifter Control Unit (SCU). This DTC may be in a PAST or CURRENT status.
Or
The TCM shows “UNKWN†in the PRESENT column or “0†in the PAST column under the
CAN DIAG SUPPORT MNTR tab within the ECU (ENGINE) or the SCU (SHIFT) in
CONSULT-III PLUS (C-III plus). See Figure 1 and Figure 2.
