S0607900C
Page 23
Transmission Error Codes (ZF)
91 ** S.C. to ground at relay reverse
warning alarm.
TCU detected a wrong
voltage at output pin, that
looks like a S.C. to vehicle
ground.
• Cable is defective and is
contacted to vehicle ground.
• Backup alarm device has an
internal defect.
• Connector pin is contacted
to vehicle ground.
Backup alarm will be
on until TCU power
down even if fault
vanishes (loose
connection).
OP-Mode: normal.
Check cable from
TCU to backup
alarm device.
Check connectors
from backup alarm
device to TCU.
Check resistance
1)
of backup alarm
device.
1)
See
“Measurement of
Resistance at
Actuator/sensors
and Cable” on page
35.
92 ** S.C. to battery voltage at relay
reverse warning alarm.
TCU detected a wrong
voltage at output pin, that
looks like a S.C. to battery
voltage.
• Cable is defective and is
contacted to battery voltage.
• Backup alarm device has an
internal defect.
• Connector pin is contacted
to battery voltage.
No reaction.
OP-Mode: normal.
Check cable from
TCU to backup
alarm device.
Check connectors
from backup alarm
device to TCU.
Check resistance
1)
of backup alarm
device.
1)
See
“Measurement of
Resistance at
Actuator/sensors
and Cable” on page
35.
93 ** O.C. at relay reverse warning
alarm.
TCU detected a wrong
voltage at output pin, that
looks like a O.C. for this output
pin.
• Cable is defective and has
no connection to TCU.
• Backup alarm device has an
internal defect.
• Connector has no
connection to TCU.
No reaction.
OP-Mode: normal.
Check cable from
TCU to backup
alarm device.
Check connectors
from backup alarm
device to TCU.
Check resistance
1)
of backup alarm
device.
1)
See
“Measurement of
Resistance at
Actuator/sensors
and Cable” on page
35.
Fault
Code
(hex)
Meaning of the Fault Code
(Possible reason for fault
detection.)
Reaction of the
TCU
Possible Steps to
Repair
Remarks
* Only Mega 400-III PLUS
** Only Series "V"
Gray shaded boxes are error codes for other applications. They are only given for general reference purposes.
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