Other information:
DTC Description
DTC DETECTION LOGICWhen the ignition switch is ON, TCM is unable to receive the CAN communications signal from AWD control unit continuously for 2 seconds or more. DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
U0102
LOST COMM (TRANSFER)
(Lost Communication With Transfer Case Control Module)
Diagnosis condition
When the ignition switch is ON
Signal
CAN communication signal
Threshold
TCM is unable to receive the CAN communications signal from AWD control unit
Diagnosis delay time
Continuously for 2 seconds or more
POSSIBLE CAUSE
AWD control unit
Harness or connector (CAN communication line is open or shorted)
FAIL-SAFENot changed from normal driving
DTC Confirmation Procedure
PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test...
DTC Description
DTC DETECTION LOGIC
ECM back up system does not function properly.
EEPROM (built-in microcomputer) system internal ECM does not function properly.
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0603
ECM BACK UP/CIRCUIT
[Internal Control Module Keep Alive Memory (KAM) Error]
Diagnosis condition
Ignition switch ON
Signal (terminal)
—
Threshold
ECM back up system does not function properly
Diagnosis delay time
—
P062F
CONTROL MODULE
(Internal control module EEPROM error)
Diagnosis condition
Start engine and let it idle
Signal (terminal)
—
Threshold
EEPROM (built-in microcomputer) system internal ECM does not function properly
Diagnosis delay time
—
POSSIBLE CAUSEDTC P0603
Harness or connectors
[ECM power supply circuit is open or shorted...