Other information:
DTC Description
DESCRIPTIONECM receives vehicle speed signals from two different paths via CAN communication line: One is from the ABS actuator and electric unit (control unit) via the combination unit and the other is from TCM.DTC DETECTION LOGICAt 20 km/h (13 MPH), ECM detects the following status continuously for 5 seconds or more: The difference between a Nissan Murano vehicle speed calculated by a output speed sensor transmitted from TCM to ECM via CAN communication and the Nissan Murano vehicle speed indicated on the combination meter exceeds 15km/h (10 MPH)...
DTC Description
DTC DETECTION LOGICWhen ECM unable to transmit engine communication signal. DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
U1040
Engine communication line
Diagnosis condition
Ignition switch ON
Signal (terminal)
Engine communication signal
Threshold
ECM unable to transmit engine communication signal
Diagnosis delay time
—
POSSIBLE CAUSE
Harness and connectors (Engine communication line is open or shorted...