Nissan Versa (N17): Horn (HRN)

Other materials:

U0073 Communication bus a off
DTC Logic DTC Trouble diagnosis name DTC detecting condition Possible causes U0073 Control Module Communication Bus "A" Off When the ignition switch is ON, TCM detects a bus-off error continuously for 2 seconds or more. Harness or connector (CA ...

P074C Unable to engage 4GR
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 ...