If your vehicle has to be stopped in an emergency
SpecificationsLost Communication with ECM / PCM "A" (U0100,U0104,U0122,U0125,U0126,U0129)
DESCRIPTION
The millimeter wave radar sensor assembly and ECM communicate with each sensor
and ECU via CAN communication.
If any malfunction is detected in a CAN communication circuit, one or more CAN
communication system DTCs are stored.
DTC No.
Detection Item
...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the forward recognition camera
system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Push Switch / Key Unlock Warning Switch Malfunction (B2780)
DESCRIPTION
This DTC is stored if the transponder key ECU assembly does not detect that the
unlock warning switch assembly is ON even when the key is in the ignition key cylinder.
Under normal conditions, the unlock warning switch assembly is ON when the key is
in the ignition key cylinder.
...