NHTSA ID Number: 10145994
Manufacturer Communication Number: T-SB-0053-18
TSB/Document Date: 2018-10-22
Summary
TSB: Some 2016 ? 2017 model year Tacoma D-Cab vehicles may exhibit one or more of the following conditions (some conditions may be intermittent). ? No sound from speakers ? No bass from speakers ? Muffled sound from speakers ? Inoperative power door locks ? Inoperative power windows ? No answer-back (beep/chirp) after locking the doors via key fob ? Interior illumination inoperative (lighting within HVAC controls, instrument panel switches, door panel switches, etc.) ? Open fuses for one or more of the systems listed above Follow the Repair Procedure in this bulletin to address these conditions.
1. Disconnect the cable from negative (–) battery terminal.
2. Remove the rear door frame garnish.
Disengage the four clips to remove the rear
door frame garnish.
Figure 8.
NOTICE
Confirm that no clips remain on the
door after the garnish is removed.
Transfer ANY remaining clips to the
garnish side BEFORE installation.
3. Remove the rear door inside handle
bezel plug.
Figure 9.
© 2018 Toyota Motor Sales, USA
T-SB-0053-18
June 26, 2018
Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
4. Remove the rear armrest base upper panel sub-assembly.
A. Disengage the two clips, four claws,
and three guides.
Figure 10.
B. Disconnect the connector to remove
the rear armrest base upper
panel sub-assembly.
Figure 11.
© 2018 Toyota Motor Sales, USA
Page 8 of 21
T-SB-0053-18
June 26, 2018
Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
5. Remove the rear door trim board sub-assembly.
A. Remove the clip and two screws.
Figure 12.
B. Disengage the eight clips.
Figure 13.
C. Disengage the two claws to remove the
rear door trim board sub-assembly.
Figure 14.
© 2018 Toyota Motor Sales, USA
Page 9 of 21
T-SB-0053-18
June 26, 2018
Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
6. Disconnect the door speaker connector.
Figure 15.
7. Disconnect the power window regulator
motor connector.
Figure 16.
© 2018 Toyota Motor Sales, USA
Page 10 of 21
T-SB-0053-18
June 26, 2018
Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
8. Disconnect the power door lock assembly connector.
A. Lift up the part of the (clear plastic)
service hole cover that is covering
the connector.
Figure 17.
B. Disconnect the connector.
Figure 18.
© 2018 Toyota Motor Sales, USA
Page 11 of 21
T-SB-0053-18
June 26, 2018
Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
9. Remove No. 2 rear door service hole cover.
A. Lift up the part of the (clear plastic)
service hole cover that is covering the
(foam) No. 2 rear door service
hole cover.
B. Using a clip remover, remove the clip
and No. 2 rear door service hole cover.
10. Disengage the rear door wire
harness clips (eight).
Figure 19.
Figure 20.
Figure 21.
© 2018 Toyota
Motor Sales, USA
Page 12 of 21
T-SB-0053-18
June 26, 2018
Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
11. Push the rear door wire harness grommet into the door.
A. Squeeze the base of the grommet in.
Figure 22.
B. Push the base of the grommet into
the door.
Figure 23.
C. Squeeze and push the other end of the
grommet into the door as well.
12. Remove the rear door wire harness through the service hole.
Repeat for the other side, if necessary.
© 2018 Toyota Motor Sales, USA
Page 13 of 21
T-SB-0053-18
June 26, 2018
Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
13. Begin installing the NEW harness by
routing the grommet-end of the harness
through the service hole and out the
grommet pass-through hole.
Figure 24.
NOTICE
Make sure to not contaminate the
harness connectors and terminals with
butyl from the plastic service hole cover.
14. Seat the harness grommet at the door
pass-through hole with the grommet arrow
pointing UP.
Figure 25.
© 2018 Toyota Motor Sales, USA
Page 14 of 21
T-SB-0053-18
June 26, 2018
Page 15 of 21
Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
15. Engage the two harness clips on the inner
side of the door.
Figure 26.
NOTE
Confirm the harness does NOT interfere with
the lower glass run.
Figure 27.
1
c
2
c
3
c
1
Grom met
2
Low er Glass Run
3
© 2018 Toyota Motor Sales, USA
T-SB-0053-18
June 26, 2018
Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
16. Engage the remaining six harness clips.
Figure 28.
17. Connect the power door lock
assembly connector.
Figure 29.
18. Install the (foam) No. 2 rear door service
hole cover and clip.
Figure 30.
© 2018 Toyota Motor Sales, USA
Page 16 of 21
T-SB-0053-18
June 26, 2018
Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
19. Place the (clear plastic) service hole cover
back in its original location.
Figure 31.
20. Connect the power window regulator
motor connector.
Figure 32.
21. Connect the door speaker connector.
Figure 33.
© 2018 Toyota Motor Sales, USA
Page 17 of 21
T-SB-0053-18
June 26, 2018
Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
22. Install the rear door trim board sub-assembly.
A. Engage the two claws to remove the
rear door trim board sub-assembly.
Figure 34.
B. Engage the eight clips.
Figure 35.
C. Install the clip and the two screws.
Figure 36.
© 2018 Toyota Motor Sales, USA
Page 18 of 21
T-SB-0053-18
June 26, 2018
Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
23. Install the rear armrest base upper panel sub-assembly.
A. Connect the connector.
Figure 37.
B. Engage the two clips, four claws, and
three guides to install the rear armrest
base upper panel sub-assembly.
Figure 38.
24. Connect the rear door wire harness to the
floor wire harness.
Figure 39.
© 2018 Toyota Motor Sales, USA
Page 19 of 21
T-SB-0053-18
June 26, 2018
Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
25. Install the grommet to the B-pillar, with the arrow pointing UP.
Figure 40.
Figure 41.
26. Engage the three claws to install the rear
door inside handle bezel plug.
Figure 42.
27. Engage the four clips to install the rear
door frame garnish.
Figure 43.
NOTICE
Confirm that no clips remain on the
door BEFORE rear door frame garnish
installation.
Transfer ANY remaining clips to the
rear door frame garnish side
BEFORE installation.
Installing the rear door frame garnish
with ANY clips remaining on the door
side could cause the clips to drop
inside the door.
© 2018 Toyota Motor Sales, USA
Page 20 of 21
T-SB-0053-18
June 26, 2018
Rear Door Wire Harness Symptoms and Diagnosis
Repair Procedure (continued)
28. Connect the cable from negative (–) battery terminal.
Torque: 5.4 N*m (55 kgf*cm, 48 in*lbf)
29. Confirm the repair and clear ANY DTCs.
NOTICE
ALWAYS replace open fuses with NEW fuses of the correct amperage.
© 2018 Toyota Motor Sales, USA
Page 21 of 21
- ALL SIZES YOU NEED - The fuses automotive kit covers 182pcs...
- HIGH QUALITY - The auto fuse is made of Premium zinc alloy...
- EASY TO IDENTIFY - The blade fuses of each current...
- WIDE APPLICATION - variety of sizes that are commonly used...
- FUSE PULLER - The fuses puller is included in the mini
fuses...
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TSB/Document ID: T-SB-0053-18
Replacement Service Bulletin Number:
MFR Communication Date: 2018-06-26
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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