NHTSA ID Number: 10198684
Manufacturer Communication Number: A21-048
Summary
Service Bulletin – There is a whining, squeak, or squeal type noise coming from the driver’s seat frame when adjusting the seat.
8 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| HONDA | ACCORD | 2018-2019 |
| HONDA | ACCORD HYBRID | 2018-2019 |
| HONDA | CR-V | 2018-2019 |
| HONDA | ODYSSEY | 2019-2020 |
SYMPTOM
There is a whining, squeak, or squeal type noise coming from the driver’s seat frame when adjusting the seat.
POSSIBLE CAUSE
There is insufficient grease applied to the Up-Down Motor nylon gear.
CORRECTIVE ACTION
Apply grease to the Up-Down Motor nylon gear.
REQUIRED MATERIALS
| Part Name | Quantity | Part Number |
| MULTEMP SH-U Grease (1 container repairs 12 vehicles) | 1 | 08798-9066 |
TOOL INFORMATION
| Tool Name | Tool Number | Quantity |
| Prying Tool | Commercially available | 1 |
SEOCONTENT-START
CUSTOMER INFORMATION: The information in this bulletin is intended for use only by skilled technicians who have the proper tools, equipment,
and training to correctly and safely maintain your vehicle. These procedures should not be attempted by “do-it-yourselfers,” and you should not
assume this bulletin applies to your vehicle, or that your vehicle has the condition described. To determine whether this information applies, contact
an authorized Honda automobile dealer.
© 2021 American Honda Motor Co., Inc. – All Rights Reserved Page 1 of 7
Service Bulletin
21-048
June 30, 2021 Version 2
Driver’s Seat Frame Noise
Supersedes 21-048, dated May 28, 2021, to revise the information highlighted in yellow.
AFFECTED VEHICLES
Year
Model
Trim Level
VIN Range
2018
Accord
EX
1HGCV1…JA232738 thru 1HGCV1…JA235194
1HGCV2…JA049936 thru 1HGCV2…JA052378
Sport
1HGCV1…JA236698 thru 1HGCV1…JA269156
1HGCV2…JA048169 thru 1HGCV2…JA054592
Touring
1HGCV1…JA246793 thru 1HGCV1…JA246794
1HGCV2…JA049468 thru 1HGCV2…JA054418
2019
Accord
EX
1HGCV1…KA000304 thru 1HGCV1…KA168430
1HGCV2…KA000639 thru 1HGCV2…KA032918
Sport
1HGCV1…KA000909 thru 1HGCV1…KA169091
1HGCV2…KA000298 thru 1HGCV2…KA034716
Touring
1HGCV2…KA000014 thru 1HGCV2…KA034770
2018
Accord Hybrid
EX-L
1HGCV3…JA012382 thru 1HGCV3…JA015128
Touring
1HGCV3…JA007089 thru 1HGCV3…JA017116
2019
Accord Hybrid
EX
1HGCV3…KA000024 thru 1HGCV3…KA020829
EX-L
1HGCV3…KA000128 thru 1HGCV3…KA020984
Touring
1HGCV3…KA000066 thru 1HGCV3…KA020955
(continued on next page)
Page 2 of 7
AFFECTED VEHICLES (CONTINUED)
2018 CR-V
EX
2HKRW1…JH519064 thru 2HKRW1…JH523679
2HKRW2…JH677054 thru 2HKRW2…JH699914
5J6RW1…JL013496 thru 5J6RW1…JL017016
5J6RW2…JL028716 thru 5J6RW2…JL037692
5J6RW1…JA000274 thru 5J6RW1…JA014550
5J6RW2…JA000037 thru 5J6RW2…JA002730
7FARW1…JE049878 thru 7FARW1…JE057125
7FARW2…JE089576 thru 7FARW2…JE106250
Touring
2HKRW1…JH519164 thru 2HKRW1…JH521486
2HKRW2…JH678837 thru 2HKRW2…JH695094
5J6RW1…JL013615 thru 5J6RW1…JL016540
5J6RW2…JL029223 thru 5J6RW2…JL037460
7FARW1…JE050189 thru 7FARW1…JE055383
7FARW2…JE089886 thru 7FARW2…JE102045
2019 CR-V
EX
2HKRW1…KH500094 thru 2HKRW1…KH509900
2HKRW2…KH600069 thru 2HKRW2…KH660211
5J6RW1…KL000068 thru 5J6RW1…KL007202
5J6RW2…KL000237 thru 5J6RW2…KL025852
5J6RW1…KA000194 thru 5J6RW1…KA047193
5J6RW2…KA000069 thru 5J6RW2…KA018251
7FARW1…KE000164 thru 7FARW1…KE031755
7FARW2…KE000073 thru 7FARW2…KE051641
Touring
2HKRW1…KH500003 thru 2HKRW1…KH505676
2HKRW2…KH600009 thru 2HKRW2…KH659701
5J6RW1…KL000008 thru 5J6RW1…KL004115
5J6RW2…KL000001 thru 5J6RW2…KL025472
7FARW1…KE000183 thru 7FARW1…KE018870
7FARW2…KE000013 thru 7FARW2…KE050711
2019 Odyssey
LX 5FNRL6…KB036508 thru 5FNRL6…KB137894
EX 5FNRL6…KB035708 thru 5FNRL6…KB138703
Elite 5FNRL6…KB035808 thru 5FNRL6…KB126634
Touring 5FNRL6…KB032754 thru 5FNRL6…KB126429
2020 Odyssey
LX 5FNRL6…LB000285 thru 5FNRL6…LB005445
EX 5FNRL6…LB000586 thru 5FNRL6…LB005652
Elite 5FNRL6…LB000011 thru 5FNRL6…LB005202
Touring 5FNRL6…LB000047 thru 5FNRL6…LB005501
Page 3 of 7
REVISION SUMMARY
Under AFFECTED VEHICLES, 2020 Odyssey and 2018 Accord Hybrid VINs were added. VIN ranges were updated throughout the rest of the list.
SYMPTOM
There is a whining, squeak, or squeal type noise coming from the driver’s seat frame when adjusting the seat.
POSSIBLE CAUSE
There is insufficient grease applied to the Up-Down Motor nylon gear.
CORRECTIVE ACTION
Apply grease to the Up-Down Motor nylon gear.
REQUIRED MATERIALS
Part Name
Part Number
Quantity
MULTEMP SH-U Grease (1 container repairs 12 vehicles)
08798-9066
1
TOOL INFORMATION
Tool Name
Tool Number
Quantity
Prying Tool
Commercially available
1
WARRANTY CLAIM INFORMATION
The normal warranty applies.
Operation Number
Description
Flat Rate Time
Defect Code
Symptom Code
Template ID
Failed Part Number
8510B0
2018-19 Accord and 2019 Accord Hybrid Apply grease to the Up-Down Motor nylon gear.
0.3 hr
07409
03214
A21048A
81526-TVA-L11
2018-19 CR-V Apply grease to the Up-Down Motor nylon gear.
A21048B
81526-TLA-A51
2019 Odyssey Apply grease to the Up-Down Motor nylon gear.
A21048C
81526-THR-A83
Skill Level: Repair Technician
INSPECTION PROCEDURE
Move the seat to the upmost position. Lower the seat without anyone sitting on it and listen for any whining, squeak or squeal noises. If any noise is heard, move on to repair procedure.
Page 4 of 7
REPAIR PROCEDURE
1. Move the driver’s seat to its most forward and highest position.
2. Remove the driver’s power seat adjustment cover using the prying tool.
NOTE: Do not disconnect the power seat switch connectors.
Page 5 of 7
3. Remove the leather cover by detaching it from the bottom.
4. Using the power seat adjustment switch, move the seat down to the lowest point.
NOTE: This is important to gain access to the nylon gear.
5. Remove the Up-Down Motor nuts.
Page 6 of 7
6. Remove the Up-Down Motor using the prying tool.
NOTE: Before removing the Up-Down Motor, move the seat down to the lowest point.
NOTE: When removing the Up-Down Motor, the nylon gear may come out with the motor or stay on the seat frame.
7. Remove the nylon gear and apply a layer of grease.
NOTE: Grease must be applied evenly to both metal and nylon teeth.
Page 7 of 7
8. Install the nylon gear to the seat frame.
NOTE: The metal teeth of the nylon gear must be aligned with the seat frame teeth when reinstalling. The nylon gear should be flush with the frame.
9. Install the Up-Down Motor to the seat frame.
NOTE: Install slowly to make sure the gears fit together.
10. Torque both nuts to 19 N·m (14 lb-ft).
NOTE: Do not overtighten nuts.
11. Operate the seat to confirm proper function, and that the noise is not present.
12. Install all removed parts in the reverse order.
END
SEOCONTENT-END
NHTSA ID Number: 10194966
Manufacturer Communication Number: A21-048
Summary
Service Bulletin – There is a whining, squeak, or squeal type noise coming from the driver’s seat frame when adjusting the seat.
1 Associated Document
Manufacturer Communications
A21-048
May 28, 2021
Version 1
MC-10194966-0001.pdf 2035.913KB
1 Associated Document
Manufacturer Communications
A21-048
June 30, 2021
Version 2
MC-10198684-0001.pdf 2042.477KB
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