SSM73814

3/21/2018
SSM73814 - Vehicle intermittent crank failure. Telematics Control Unit(TCU) 1 and 2 only | TOPIx
Reference
SSM73814
Models
F-PACE / X761
F-TYPE / X152
XE / X760
XF / X260
XJ / X351
Title
Vehicle intermittent crank failure. Telematics Control Unit(TCU) 1 and
2 only
Category
Electrical
Last modified
21-Mar-2018 00:00:00
Symptom
203000 Basic Electrical
Content
Note: Applicable to the following models and model years
XJ: 16MY, 17MY
F Type: 16MY, 17MY
XE: 16MY, 17MY
XF: 16MY, 17MY
F Pace: 17MY
Issue
Customer reports that, intermittently, the vehicle will not crank.
Cause(s)
1. Potential errors within the Telematics Control Unit (TCU)
which will flag the following DTCs:
DTC U0001-87; High Speed CAN Communication Bus Missing message
DTC B1179-04; Integrated GSM/GPRS Unit - System
internal failures
2. Water Ingress into the TCU causing the module to become
unresponsive.
Action
Do not attempt to update the TCU software.
Check TCU module connectors for signs of corrosion, if found
follow Action list A, otherwise follow Action list B.
Action list A - Corrosion found - Do not replace TCU and release
vehicle to the customer until original water ingress source is
located.
https://topix.jaguar.jlrext.com/topix/content/document/view?id=887863
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3/21/2018
SSM73814 - Vehicle intermittent crank failure. Telematics Control Unit(TCU) 1 and 2 only | TOPIx
1. Check for Interior and Exterior signs of water ingress
2. Raise a FRED request
3. Ensure the following is information is included on the FRED
when raised
Picture of the location of the water ingress
Part number of the original water ingress location
Picture of the connectors of the TCU
Harness connector information
4. Replace all damaged components
5. Clear DTCs, retest vehicle and recheck for any remaining
DTC’s, if found raise a TA to Local Technical Support (LTS).
Action list B - No Corrosion
1. Raise a TA ticket.
2. Ensure that you include the following information on the TA
when raised:
Picture of the harness that connects to the TCU
Picture of the pins of the TCU
Picture of the connectors of the TCU
Picture of the TCU serial number
3. If there are signs of water ingress in addition to above
4. Escalate the TA to the Telematics Service Desk (TSD) who
will advise you on the next steps.
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.
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.
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