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Fault code
Meaning of the fault code
(Hex)
possible reason for fault detection
97
S.C. to ground at park brake solenoid
TCU detected a wrong voltage at the
output pin, that looks like a S.C. to vehicle
ground
Cable is defective and is connection to
vehicle ground
Park brake solenoid has an internal
defect
Connector pin is contacted to vehicle
ground
98
S
S
.C. to battery voltage at park brake
solenoid
TCU detected a wrong voltage at the
output pin, that looks like a S.C. to battery
voltage
Cable is defective and is connection to
battery voltage
Park brake solenoid has an internal
defect
Connector pin is contacted to battery
voltage
99
O
O
.C. at park brake 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
Park brake solenoid has an internal
defect
Connector has no connection to TCU
9A
S
S
.C. to ground at converter lock up
clutch 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
Converter clutch solenoid has an
internal defect
Connector pin is contacted to vehicle
ground
9B
O
O
.C. at converter lock up clutch
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
Converter clutch solenoid has an
internal defect
Connector has no connection to TCU
Reaction of the TCU
No reaction
OP mode : Normal
No reaction
Optional : (Some customers)
TCU shifts to neutral caused
by park brake feed back
OP mode : Normal
No reaction
Optional : Some customers
TCU shifts to neutral caused
by park brake feed back
OP mode : Normal
No reaction
OP mode : Normal
Converter clutch always open,
retarder not available
OP mode : Normal
3-26
Possible steps to repair
Check the cable from TCU to the
park brake solenoid
Check the connectors from park
brake solenoid to TCU
Check the resistance* of park
brake solenoid
* See page 3-36
Check the cable from TCU to the
park brake solenoid
Check the connectors from park
brake solenoid to TCU
Check the resistance* of park
brake solenoid
* See page 3-36
Check the cable from TCU to the
park brake solenoid
Check the connectors from park
brake solenoid to TCU
Check the resistance* of park
brake solenoid
* See page 3-36
Check the cable from TCU to the
converter clutch solenoid
Check the connectors from
converter clutch solenoid to TCU
Check the resistance* of park
brake solenoid
* See page 3-36
Check the cable from TCU to the
converter clutch solenoid
Check the connectors from
converter clutch solenoid to TCU
Check the resistance* of park
brake solenoid
* See page 3-36
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