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Electrical - Weak Battery After Parked For Long Periods

TIE Technical Journal

Title Too high quiescent current may drain the battery

Ref No US23515.50 en-GB

Issuer -

Partner 3 US 7510 Volvo Cars North America

Func Group 3723

Func Desc electric distribution box; electric dist

Status Released

Status Date 2010-10-08

Reference

Attachment





Vehicle Type





CSC

DTC

Text
CSC= Customer Symptom Code

If using a printed copy of this document, always check for the latest online version.

DESCRIPTION:
Customers may report that the battery is weak or has low electrical power after the car has been parked for longer periods.

A software bug in CEM (Central Electronics Module) has been identified in the chassis numbers listed in the header. The SW bug may keep one of the internal CEM relays alive after the car has been turned off and locked.

PRODUCT MODIFICATION:
A new software has been developed and introduced in production from structure week 201032.

SERVICE:
In case of a customer complaint please perform a CEM Upgrade.