SSM73298

TOPIx - SSM73298 - Telematics Control Module (TCU) fails activation and DTC U2109... Page 1 of 2
Reference
SSM73298
Models
F-PACE / X761
F-TYPE / X152
XE / X760
XF / X260
XJ / X351
Title
Telematics Control Module (TCU) fails activation and DTC U2109 flagged
Category
Electrical
Last modified
08-Sep-2017 00:00:00
Symptom
207000 Entertainment Systems
Content
Issue
Technician may report one of the following conditions during or post PDI:
DTC U2109-09 (Back up Battery Component Failures)
During PDI it may not be possible to activate Telematics services
Vehicle message centre may display "SOS Limited functionality", coupled with a DTC
U2109-09
Cause
Telematic Control Module(TCU) backup batteries have lower state of charge than
design intent.
Action
Update the TCU software using SDD_150.05.001 or Pathfinder 96
Switch ignition to on for continuous 40 minutes. (Battery support will be required if the
engine is not running)
The vehicle can be used/driven whilst this happening, as the TCU battery will charge in
this vehicle usage condition
After 40 minutes have elapsed clear the DTC.
If the DTC or warning message persists please submit an EPQR and attach a session
file
Technicians - Please rate this SSM and provide comments so that future
communications can be improved.
1 = Poor – Basic information provided – The SSM does not help me resolve the
customer concern.
https://topix.jaguar.jlrext.com/topix/service/document/816624
10/3/2017
TOPIx - SSM73298 - Telematics Control Module (TCU) fails activation and DTC U2109... Page 2 of 2
3 = Average – Adequate information provided – The SSM partially helps me resolve the
customer concern.
5 = Excellent – All required information provided to resolve the customer concern.
https://topix.jaguar.jlrext.com/topix/service/document/816624
10/3/2017