Nissan Versa (N17): Meter, warning lamp & indicator (MWI)

Other materials:

U0100 Lost communication (ECM A)
DTC Logic DTC DETECTION LOGIC DTC Trouble diagnosis name DTC detection condition Possible causes U0100 Lost Communication With ECM/PCM "A" When the ignition switch is ON, TCM is unable to receive the CAN communications signal from ECM continuously for 2 ...

P0734 4GR Incorrect ratio
Description This malfunction is detected when the A/T does not shift into 4GR position as instructed by TCM. This is not only caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking, improper solenoid valve operation, etc. DTC ...