Group 38 Fault Codes, Instrument Cluster Troubleshooting
MID 140 SID 240 Program Memory
T2012704
General information
At start-up a checksum is calculated for the software in
the flash memory for the instrument cluster. This is com-
pared with a previously stored checksum to check that
the software is correct.
Component: A03 instrument cluster
Fault code
FMI 2
Intermittent or incorrect data.
Conditions for fault code:
•
If the checksum calculated at start-up does not
agree with the previously saved checksum, the in-
strument cluster interprets this as a fault and a fault
code is set.
Note: If a fault code is set, reprogram the instru-
ment cluster.
Possible cause:
•
Software fault.
•
Faulty memory circuit.
Reaction from the instrument cluster:
•
”Boot mode” requested.
Noticeable external symptoms:
•
”Boot mode” shown on the display.
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