# Service bulletin 09\-007\-20\-3674a

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10185052
- Published by NHTSA: 2021\-01\-05
- Manufacturer's number: 09\-007\-20\-3674a
- Manufacturer's date: 2020\-12\-10
- NHTSA component: EQUIPMENT; SEATS

## NHTSA's summary

At PDI or when new vehicle is delivered, some customers may complain about wrinkles on the leather seat cushion and/or seat back surface. Customers having this concern should have their vehicle repaired by a qualified upholstery repair specialist using the following repair procedure.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10185052-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10185052-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Equipment and accessories, Seats

## Vehicles listed

- 2018 to 2021 MAZDA CX\-3
- 2020 to 2021 MAZDA CX\-30
- 2018 to 2021 MAZDA CX\-5
- 2018 to 2021 MAZDA CX\-9
- 2018 to 2021 MAZDA MAZDA3
- 2018 to 2021 MAZDA MAZDA6

## Recalls for the same vehicles and component

- [21V750000](/recalls/nhtsa/21V750000.md), 2021-09-27: SEATS:MID/REAR ASSEMBLY; SEAT BELTS:REAR/OTHER
- [2021591](/recalls/tc/2021591.md), 2021-09-24: Seats And Restraints
- [2019337](/recalls/tc/2019337.md), 2019-07-05: Seats And Restraints
- [19V514000](/recalls/nhtsa/19V514000.md), 2019-07-05: SEATS:FRONT ASSEMBLY:HEAD RESTRAINT

## Other bulletins for the same vehicles and component

- [09\-016\-26a](/bulletins/11035597.md), 2026-08-04, Service bulletin: SEATS. This bulletin supersedes the previously issued bulletin\(s\) listed below. The changes are noted in Red. 09\-016/26 05/06/26 DESCRIPTION Some customers may complain that the seat warmer does not operate when turning the ignition on while the seat is warm but when turning the ignition off then on again, the seat warmer begins to operate appropriately. DTCs “B1030:13” and/or “B1032:13” are stored. This is caused by the seat warmers fail\-safe mode which prevents it from working during the initial drive cycle. To correct this issue, the seat warmer has been modified to optimize the temperature control. B1030:13 Seat warmer unit \(LH\) circuit malfunction \(Heater side\) B1032:13 Seat warmer unit \(RH\) circuit malfunction \(Heater side\) Customers having this concern should have their vehicle repaired using the following repair procedure. REPAIR PROCEDURE 1. Verify the customer concern. 2. Remove the front seat cushion trim and the front seat back trim for both the driver and passenger seats according to the instructions in MGSS.
- [09\-016\-26](/bulletins/11033115.md), 2026-06-02, Service bulletin: SEATS; ELECTRICAL SYSTEM. DESCRIPTION Some customers may complain that the seat warmer does not operate when turning the ignition on while the seat is warm but when turning the ignition off then on again, the seat warmer begins to operate appropriately. DTCs “B1030:13” and/or “B1032:13” are stored. This is caused by the seat warmers fail\-safe mode which prevents it from working during the initial drive cycle. To correct this issue, the seat warmer has been modified to optimize the temperature control. B1030:13 Seat warmer unit \(LH\) circuit malfunction \(Heater side\) B1032:13 Seat warmer unit \(RH\) circuit malfunction \(Heater side\) REPAIR PROCEDURE 1. Verify the customer concern. 2. Remove the front seat cushion trim and the front seat back trim for both the driver and passenger seats according to the instructions in MGSS.
- [09\-016\-25](/bulletins/11017480.md), 2025-05-02, Service bulletin: SEATS. Some customers may complain of a squeaking noise from the driver side seat back. The noise may be due to rubbing between the lumbar part of the driver’s seat back \(1\) and the rear console lid. The lumbar support pad may be deformed outward and may rub against the rear console lid while driving or when adjusting the seat memory. This can cause a squeaking noise.
- [09\-005\-25](/bulletins/11013658.md), 2025-02-05, Service bulletin: SEATS. Some customers may complain that the seat warmer does not operate when turning the ignition on while the seat is warm but when turning the ignition off then on again, the seat warmer begins to operate appropriately. DTCs “B1030:13” and/or “B1032:13” are stored. This is caused by the seat warmers fail\-safe mode which prevents it from working during the initial drive cycle. To correct this issue, the seat warmer has been modified to optimize the temperature control. B1030:13 Seat warmer unit \(LH\) circuit malfunction \(Heater side\) B1032:13 Seat warmer unit \(RH\) circuit malfunction \(Heater side\)
- [09\-036\-24](/bulletins/11005551.md), 2024-08-02, Service bulletin: SEATS. At PDI or when new vehicle is delivered, some customers may complain about wrinkles on the leather seat cushion and/or seat back surface. NOTE: This repair is not a permanent fix, it is meant to make new seats look their best when the vehicle is first presented to the customer. • Wrinkles may not be completely removed after the repair is completed. • Leather is a natural material and may develop some wrinkles due to aging and wear during normal useage.
- [09\-035\-24](/bulletins/11005550.md), 2024-08-02, Service bulletin: ELECTRICAL SYSTEM; SEATS. Some vehicles may experience the seat ventilation system still on after the engine has been turned off, in some cases this causes the battery to be completely discharged and not rechargeable. This is caused by a deterioration in the seat ventilation control unit. To eliminate this concern, the material for the circuit of the seat ventilation control unit has been modified.
- [SA\-027\-24](/bulletins/10254187.md), 2024-05-04, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; UNKNOWN OR OTHER. Some customers may complain about infotainment center display. Peeling, spider cracks and white dots.
- [SA\-007\-24a](/bulletins/10254185.md), 2024-05-04, Service bulletin: SERVICE BRAKES, HYDRAULIC; FORWARD COLLISION AVOIDANCE; EQUIPMENT ADAPTIVE/MOBILITY. This information will give you the necessary knowledge to respond to customers concerns of Smart Brake Support \(SBS\) unintended braking. By educating the customer on the system operation, it should reduce their anxiety or distrust of the vehicle.
- [SA\-021\-24](/bulletins/10254095.md), 2024-05-03, Service bulletin: EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Some customers may complain about intermittent audio no sound from the MAZDA CONNECT infotainment system and/or static noise from the speakers. The concern may be reproduced by tapping on the dash pad near the MAZDA CONNECT center display and the following DTC's may be stored. U0186:08 Communication error with audio amplifier U2145:08 Communication error with remote tuner \(RT\) U2145:02 Communication error with remote tuner \(RT\)
- [SA\-017\-24](/bulletins/10252509.md), 2024-04-03, Service bulletin: EQUIPMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Some customers may complain about any of the following: 1. Infotainment Center Display does not provide the Authorization Code \(OTP\) during the MyMazda App Connected Vehicle enrollment. 2. Remote function\(s\) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF, Climate control

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