NHTSA ID Number: 10201769
Manufacturer Communication Number: 06-001-21-3765a
TSB/Document Date: 2021-10-02
Summary
Some vehicles may exhibit a light resistance and/or an unusual noise when turning the steering wheel in either direction. This concern may be caused by the following causes. The worm wheel gear was out of concentricity tolerance due to an improper manufacturing process. The worm wheel gear was not in the proper distance due to an improper tolerance range, The worm wheel gear has been swelled by water due to improper storage at the factory, To eliminate this concern, the production process for the steering shaft has been further modified.
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TSB/Document ID: 06-001-21-3765a
Replacement Service Bulletin Number:
MFR Communication Date: 2021-09-19
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: STEERING
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
BULLETIN NOTES
This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red text.
Previous TSBs:
Date(s) Issued:
06-001/21
01/20/21
06-001/20
02/05/20
06-005/19
7/22/19
06-002/18
09/14/18
APPLICABLE MODEL(S)/VINS
US Spec.:
2016-2021 CX-3 vehicles with VINs lower than JM1 DK**** ** 515443 (Produced before Apr. 23, 2021)
Mexico Spec.:
2016-2021 CX-3 vehicles with VINs lower than JM1 DK**** ** 515443 (Produced before Apr. 23, 2021)
2016-2021 Mazda2 vehicles (without Lane-keep assist)
NOTE: Mazda2 equipped with Lane-keep assist system is not applicable to this service bulletin due to a difference
of part supplier.
DESCRIPTION
Some vehicles may exhibit a light resistance and/or an unusual noise when turning the steering wheel in either direction.
This concern may be caused by the following causes.
• The worm wheel gear was out of concentricity tolerance due to an improper manufacturing process.
• The worm wheel gear was not in the proper distance due to an improper tolerance range.
• The worm wheel gear has been swelled by water due to improper storage at the factory.
To eliminate this concern, the production process for the steering shaft has been further modified.
Customers having this concern should have their vehicle repaired using the following repair procedure.
REPAIR PROCEDURE
Page 1 of 4
09/16/2021 12:08 PM tlawrenc
1. Verify the customer concern.
NOTE: Since the new parts (DEY*-32-100) have been established, it is no longer necessary to check the lot number.
2. Replace the steering shaft with a modified one according to the instructions on MGSS online:
• CX-3: (STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION)
• Mazda2: (STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION)
3. Verify the repair.
Page 2 of 4
09/16/2021 12:08 PM tlawrenc
PARTS INFORMATION
NOTE: Mazda2 equipped with Lane-keep assist system is not applicable since the part supplier is different.
Parts Number
Description
Qty.
Notes
DEY0-32-100
Shaft, Steering
1
2016-2017 Mazda2 (for DA7H-32-100*)
DEY4-32-100
Shaft, Steering
1
2018-2019 Mazda2 (for DG7L-32-100*)
DEY4-32-100
Shaft, Steering
1
2020-2021 Mazda2 (for DHM1-32-100*)
DEY1-32-100
Shaft, Steering
1
2016-2017 CX-3 (for DB4G-32-100*)
DEY5-32-100
Shaft, Steering
1
2018-2019 CX-3 (for DH1E-32-100)
DEY3-32-100
Shaft, Steering
1
2020-2021 CX-3 (for DM6F-32-100*)
B455-32-099B
Shaft, Bolt
1
[R]
D10J-32-099
Shaft, Bolt
1
[R]
9YA0-11-003A
1
[R] (*1)
KA01-66-154
Bolt, Set
2
[R] (*2)
NOTE 1: There is no need to check the lot number on the parts when using the new parts DEY*-32-100.
NOTE 2: Select applicable steering shaft and replacement parts according to the GEPC.
[R] = Replace
[R] Parts (*1) (*2) Location:
Bolt at Steering Wheel
Bolt Set at Start Stop Unit
Page 3 of 4
09/16/2021 12:08 PM tlawrenc
WARRANTY INFORMATION
NOTE:
• This warranty information applies only to verified customer complaints on vehicles eligible for warranty repair.
• This repair will be covered under Mazda
’s New Vehicle Limited Warranty term.
• Additional diagnostic time cannot be claimed for this repair.
Warranty Type
A
Symptom Code
31
Damage Code
91
Part Number Main Cause
Quantity
Operation Number / Labor Hours:
****-32-100*
1
XXP66XRX / 0.9 Hr. (includes steering shaft unit, R&R)
Page 4 of 4
09/16/2021 12:08 PM tlawrenc
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