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Fault code
Meaning of the fault code
(Hex)
possible reason for fault detection
9C
S.C. to battery voltage at converter lock
up clutch solenoid
TCU detected a wrong voltage at the
output pin, that looks like a S.C. to battery
voltage
Cable is defective and has no contacted
to battery voltage
Converter clutch solenoid has an
internal defect
Connector pin is contacted to battery
voltage
9D
S.C. to ground at retarder solenoid
TCU detected a wrong voltage at the
output pin, that looks like a S.C. to vehicle
ground
Cable is defective and is contacted to
vehicle ground
Retarder solenoid has an internal defect
Connector pin is contacted to vehicle
ground
9E
O.C. at retarder solenoid
TCU detected a wrong voltage at the
output pin, that looks like a O.C. for this
output pin
Cable is defective and has no
connection to TCU
Retarder solenoid has an internal defect
Connector has no connection to TCU
9F
S.C. to battery voltage at retarder
solenoid
TCU detected a wrong voltage at the
output pin, that looks like a S.C. to battery
voltage
Cable is defective and has no
connection to battery voltage
Retarder solenoid has an internal defect
Connector pin is contacted to battery
voltage
Reaction of the TCU
No reaction
OP mode : Normal
No reaction
OP mode : Normal
No reaction
OP mode : Normal
No reaction
OP mode : Normal
3-27
Possible steps to repair
Check the cable from TCU to the
converter clutch solenoid
Check the connectors from
converter clutch solenoid to TCU
Check the resistance* of converter
clutch solenoid
* See page 3-36
Check the cable from TCU to the
retarder solenoid
Check the connectors from
retarder solenoid to TCU
Check the resistance* of retarder
solenoid
* See page 3-36
Check the cable from TCU to the
retarder solenoid
Check the connectors from
retarder solenoid to TCU
Check the resistance* of retarder
solenoid
* See page 3-36
Check the cable from TCU to the
retarder solenoid
Check the connectors from
retarder solenoid to TCU
Check the resistance* of retarder
solenoid
* See page 3-36
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