Section 120-0010
Transmission - Transmission and Mounting
SM 1965 4-00
14
Fault MEANING OF CODE TCU reaction Checks Remarks
Code possible reason for fault detection
(hex)
57 EEC1 TIMEOUT OP-Mode: substitute clutch •check EEC controller
Timeout of CAN-message EEC1 from EEC controller control •check wire of CAN-Bus
•
interference on CAN-Bus •check cable to EEC
•
CAN wire/connector is broken controller
•
CAN wire/connector is defective and has contact to
vehicle ground or battery voltage
58 EEC3 TIMEOUT OP-Mode: substitute clutch •check EEC controller
Timeout of CAN-message EEC3 from EEC controller control •check wire of CAN-Bus
•
interference on CAN-Bus •check cable to EEC
•
CAN wire/connector is broken controller
•
CAN wire/connector is defective and has contact to
vehicle ground or battery voltage
65 ENGINGE TORQUE SIGNAL OP-Mode: substitute clutch •check engine controller
CAN signal for engine torque is defective control •check wire of CAN-Bus
•
engine controller is defective •check cable to engine
•
interference on CAN-Bus controller
66 KICKDOWN SIGNAL no reaction •check engine controller
CAN signal for kickdown is defective •check wire of CAN-Bus
•
engine controller is defective •check cable to engine
•
interference on CAN-Bus controller
69 REFERENCE ENGINE TORQUE SIGNAL OP-Mode: substitute clutch •check engine controller
CAN signal for reference of engine torque is defective control •check wire of CAN-Bus
•
engine controller is defective •check cable to engine
•
interference on CAN-Bus controller
6A ACTUAL ENGINE TORQUE SIGNAL OP-Mode: substitute clutch •check engine controller
CAN signal for actual engine torque is defective control •check wire of CAN-Bus
•
engine controller is defective •check cable to engine
•
interference on CAN-Bus controller
6B NOM FRICTION TORQUE SIGNAL OP-Mode: substitute clutch •check engine controller
CAN signal for nominal friction torque is defective control •check wire of CAN-Bus
•
engine controller is defective •check cable to engine
•
interference on CAN-Bus controller
6E EEC2 TIMEOUT no reaction •check EEC controller
Timeout of CAN-message EEC2 from EEC controller TCU uses default signal •check wire of CAN-Bus
•
interference on CAN-Bus accelerator pedal in idle •check cable to EEC
•
CAN wire/connector is broken position controller
•
CAN wire/connector is defective and has contact to OP-Mode: normal
vehicle ground or battery voltage
6F ACCELERATOR LOW IDLE SWITCH SIGNAL no reaction •check EEC controller if this signal is not
CAN signal for manual downshift is defective TCU uses default signal •check wire of CAN-Bus transmitted via CAN,
•
EEC controller is defective accelerator pedal in idle •check cable to EEC TCU uses default
•
interference on CAN-Bus position controller signal
OP-Mode: normal
71 S.C. TO BATTERY VOLTAGE AT CLUTCH K1 TCU shifts to neutral •check cable from TCU to
1)
see figure 8
the measured resistance value of the valve is out of OP-Mode: limp home gearbox
limit, the voltage at K1 valve is too high. if failure at another •check connectors from
•
cable / connector is defective and has contact to clutch is pending TCU to gearbox
battery voltage TCU shifts to neutral •check regulator resistance
1)
•
cable / connector is defective and has contact to OP-Mode: TCU shutdown •check internal wire
another regulator output of the TCU harness of the gearbox
•
regulator has an internal defect
72 S.C. TO GROUND AT CLUTCH K1 TCU shifts to neutral •check cable from TCU to
1)
see figure 8
the measured resistance value of the valve is out of OP-Mode: limp home gearbox
limit, the voltage at K1 valve is too low. if failure at another •check connectors from
•
cable / connector is defective and has contact to clutch is pending gearbox to TCU
vehicle ground TCU shifts to neutral •check regulator resistance
1)
•
regulator has an internal defect OP-Mode: TCU shutdown •check internal wire
harness of the gearbox
Courtesy of Machine.Market
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