Computer/Controls - Various Driveability And Electrical Concern

Technical Journal

TITLE:
Various CEM symptoms (Horn, Hazard flasher, DIM blank,
No start, Stall)

CAR MARKET:
United States

ISSUING DEPARTMENT:
Technical Service

REF NO:
TJ 27019

ISSUE DATE:

YEAR
2012

MONTH
11

DAY
26

PARTNER:
3 US 7510 Volvo Cars North America

FUNC DESC:
Electric distribution box;
electric dist

FUNC GROUP:
3723

"Fixed Right - First Time"

Attachment





Vehicle Type








CSC Customer Symptom Codes





DTC Diagnostic Trouble Codes

Text

CEM = Central Electronic Module
DIM = Driver Information Module

DESCRIPTION:
Some 2011-2013 XC90 vehicles may intermittently experience these symptoms:
- Horn activating on its own.
- Hazard warning flashers activating on their own.
- "Electrical System Service Required" displayed in DIM with CEM DTCs DD30, DD21 and/or DD20.
- No start, "Anti-skid service required" displayed in DIM with CEM DTC 1A03.
- Engine stalls, CEM DTC 8F1D.
- DIM going blank.

SERVICE:
Do not replace CEM. Follow fault tracing according to VIDA. Check all electrical connections.
If diagnostics indicate an internal CEM fault, download Software Product 31394631, "CEM Repair".

VSTG OPERATION NUMBER:
36004-2 Software control module downloading, see VSTG