Code No. P0893: Interlock Detection




DIAGNOSIS CODE SET CONDITIONS

PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. Check the diagnosis code.


Check if the following diagnosis codes are set.

  • P0720 output shaft speed sensor
  • P0743 lock-up and low-reverse brake linear solenoid valve
  • P0753 low clutch linear solenoid valve
  • P0758 2-6 brake linear solenoid valve
  • P0763 3-5 reverse clutch linear solenoid valve
  • P0768 high clutch linear solenoid valve
  • P1753 low clutch shift solenoid valve
  • P1758 low-reverse brake shift solenoid valve
  • P0846 2-6 brake pressure switch
  • P0876 high clutch pressure switch
  • P0988 low-reverse brake pressure switch

Q. Is the check result normal?

Go to Step 2.
Repair or replace the failure section.

STEP 2. Check A/T-ECU related to the solenoid, pressure switch and output shaft speed sensor, the A/T control solenoid valve assembly connector pin terminals, and the connection status.


Q. Is the check result normal?

Replace the A/T-ECU, and then go to Step 3.
Repair or replace the failure section.

STEP 3. Erase the diagnosis code, and drive the vehicle for a while.


Check that the normal code is displayed.

Q. Is the check result normal?

The procedure is complete.
Replace the transmission assembly.