NHTSA ID Number: 11013808
Manufacturer Communication Number: TSB250014
TSB/Document Date: 2025-02-06
Summary
This Technical Service Bulletin describes the resolution steps for the system control module calibration of the battery electric system which may include enabled diagnostics for real time clock errors when the battery electric system is not equipped with real time clock capabilities, resulting in fault code 319 (Real Time Clock - Data Erratic, Intermittent, or Incorrect) being set.
Technical Service Bulletin
Technical Service Bulletin: TSB250014
Released Date: 29-Jan-2025
System Control Module (SCM) Calibration for Fault Code 319
System Control Module (SCM) Calibration for Fault
Code 319
Warranty Statement
The information in this document has no effect on present warranty coverage or repair practices,
nor does it authorize TRP or Campaign actions.
Contents
Product Affected
BES CM2450 EV101B
BES CM2450 EV109B
Issue
Symptom:
Fault Code 319
Root Cause:
Battery electric system is not equipped with real time clock capabilities and real time clock
error is not disabled in the system control module (SCM).
Resolution
Update SCM to the latest calibration revision.
For BES CM2450 EV101B, see Service Bulletin, System Control Module Calibration and
Battery Management System Software Version Compatibility, Bulletin 6482525 to verify
that the latest calibration is compatible with the battery management system software.
For BES CM2450 EV109B, see Service Bulletin, System Control Module (SCM)
Calibration Reference, Bulletin 6590048 to verify that the latest calibration is compatible
with the battery management system software.
If SCM is already at the latest SCM calibration, reflash the latest calibration revision to clear
the fault code.
If Fault Code 319 persists, follow technical escalation process.
Document History
Date
2025-1-28
Last Modified: 29-Jan-2025
Details
Module Created
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TSB/Document ID: TSB250014
Replacement Service Bulletin Number:
MFR Communication Date: 2025-01-30
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: FUEL/PROPULSION SYSTEM
MFR Component System:
MFR Component Subsystem:
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