DTC B1377

DTC B1377  : Power Tailgate Inner switch circuit malfunction

NOTE:  If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .

DTC (Power Tailgate Control Unit)

1. Problem verification

   -1. Clear the DTCs with the HDS.

   -2. Open the tailgate with the keyless transmitter.

   -3. Press the power tailgate inside switch for more than 1 second.

   -4. Check for DTCs with the HDS.

   DTC Description	DTC
   B1377 Power Tailgate Inner switch circuit malfunction

   Is DTC B1377 indicated?

   YES 

   Go to step 2.

   NO 

   Intermittent failure, the system is OK at this time. Check for loose or poor connections.

2. Shorted wire check (PTG/PTL CLOSE SW line)

   -1. Turn the vehicle to the OFF (LOCK) mode.

   -2. Disconnect the following connector.

   Power tailgate control unit connector A (24P)

   -3. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode Power tailgate control unit connector A (24P): disconnected
   Test point 1	Power tailgate control unit connector A (24P) No. 24

   Test point 2

   Body ground

   Is there continuity?

   YES 

   Repair a short to ground in the PTG/PTL CLOSE SW wire.

   NO 

   Repair a short to ground in the PTG/PTL SCOM wire.