DTC Troubleshooting: B1379

DTC B1379: Left Side Power Tailgate Touch Sensor Signal Error

1. Clear the DTCs using the HDS.

1. Cycle the ignition switch to OFF, and then back ON.

1. Open the tailgate fully with the transmitter or manual operation.

1. Close the tailgate fully with the transmitter or the power tailgate inner switch.

1. Check the DTCs by selecting the DTCs MENU (DTCs) from the HDS.

Is DTC B1379 indicated again?

YES | - | Go to Step 6 .
NO | - | Intermittent failure, the system is OK at this time.■

1. Disconnect the 2P connectors from the left power tailgate upper and lower touch sensors.

1. Check for voltage between the No. 1 and No. 2 terminals of the left power tailgate upper and lower touch sensor 2P connectors.

Is there battery voltage?

YES | - | Faulty left power tailgate upper and lower touch sensor; replace it.■
NO | - | Go to Step 8 .

1. Cycle the ignition switch to OFF.

1. Disconnect connector A (26P) from the power tailgate control unit.

1. Check for continuity between the No. 22 terminal of power tailgate control unit connector A (26P) and No. 2 terminal of the left power tailgate upper and lower touch sensor 2P connectors.

Is there continuity?

YES | - | Go to Step 11 .
NO | - | Repair an open in the YEL/GRN (TSEL) wire.■

1. Check for continuity between the No. 25 terminal of power tailgate control unit connector A (26P) and No. 1 terminal of the left power tailgate upper and lower touch sensor 2P connectors.

Is there continuity?

YES | - | Faulty power tailgate control unit; replace it.■
NO | - | Repair an open in the BLK/WHT (SEG2) wire.■