S2108000146

Case Number: S2108000146
Release Date:
June 2021
Symptom/Vehicle Issue: Check Engine Lamp Comes On, CAN C Loss Communication DTC’s
Setting Stored Or Active Intermittently
Customer Complaint/Technician Observation: Owner complains of the above as
described. Technician Observed Stored loss of communication DTC’s U0001-00, U0418, U11C2-00,
U0422-00, U0101-00.
Discussion: If the DTC’s are not active, wiggle test the involved inline connectors and or STAR
BUS connectors for the CAN C BUS while using the scan tool function (Loss Of Communication
Test). Example: Star connector behind the glove box inspect for any loose connections, seat all
terminals as needed and or replace the suspect star connector if movement while testing duplicates
the above described condition, no parts required Fig 1, Fig 2.
Fig 1
This document does not authorize warranty repairs. This communication documents a record of past experiences. STAR Online
does not provide any conclusions about what is wrong with the vehicle. Rather, it captures all previous cases known that appear
to be similar or related to the vehicle symptom / condition. You are the expert, and you are responsible for deciding on the
appropriate course of action.
Contact STAR Center, or your Technical Assistance Center Via TechCONNECT or eCONTACT ticket if no
solution is found
FCA US LLC
Version 4.3 10/29/2020
Example loose connections
If no loose connections, wiggle test harness at the location and or run the loss of com test while
moving the suspect area/ IP-STAR connector/harness.
Fig 2
This document does not authorize warranty repairs. This communication documents a record of past experiences. STAR Online
does not provide any conclusions about what is wrong with the vehicle. Rather, it captures all previous cases known that appear
to be similar or related to the vehicle symptom / condition. You are the expert, and you are responsible for deciding on the
appropriate course of action.
Contact STAR Center, or your Technical Assistance Center Via TechCONNECT or eCONTACT ticket if no
solution is found
FCA US LLC
Version 4.3 10/29/2020