Go to step 10.
10. Disconnect power tailgate control unit connector B (20P).
11. Check for continuity between power tailgate control unit connector B (20P) terminal No. 5 and body ground.
Is there continuity?
YES -
Repair a short in the wire.?
NO -
Go to step 12.
12. Do the inside tailgate switch test See: Body and Frame/Doors, Hood and Trunk/Trunk / Liftgate/Trunk / Liftgate Switch/Service and
Repair/Drivers Door Power Tailgate Switch Test/Replacement.
Is the switch OK?
YES -
Replace the power tailgate control unit.?
NO -
Replace the inside tailgate switch.?
B1378
DTC Troubleshooting: B1378
DTC B1378:
Power Tailgate Right Pinch Sensor Circuit Malfunction
1. Open the tailgate manually or with the keyless transmitter.
2. Close the tailgate with the keyless transmitter or driver's door power tailgate switch.
3. Turn the ignition switch to LOCK (0) and then back to ON (II).
4. Clear the DTCs with the HDS.
5. Check for DTCs with the HDS.
Is DTC B1378 indicated?
YES -
Go to step 6.
NO -
Intermittent failure, the system is OK at this time. Check for loose or poor connections between the power tailgate control unit and the power
tailgate right pinch sensor.?
6. Turn the ignition switch to LOCK (0).
