Volvo Link System Service Bulletin page 26

Page 26
MID 142 PSID 004 FMI 12 GPS Module/Interface
General Information
This fault indicates a GPS serial communications failure.
An internal GPS error has occurred, either on power-up
or during operation. The GPS module is part of the
Volvo Link ECU.
Fault code
FMI 12 Bad Component
This displays in the instrument cluster as
"MID 142, PSID 004, Component Failure"
•
Conditions - Volvo Link ECU performs certain error
checking functions during power up.
•
Cause - Volvo Link ECU detects an internal GPS
module/interface failure during power up and sets
an active fault.
•
Reaction from control unit - Set Active Fault.
•
Noticeable external symptoms
Cluster displays fault message when queried for
faults.
Volvo Link will disable itself and no internal op-
erations can be performed. Broadcasting fault
messages is limited to once every 15 sec. Note:
if this fault occurs during operation, there will be
no messages broadcast. All incoming mes-
sages from datalink, ignition, Volvo Action
Service switch input, Orbcomm and GPS will be
ignored.
•
Checks - If this fault code is reported, the Volvo Link
ECU is considered to contain fatal errors and should
be replaced.
W3005015