# Service bulletin SA\-036\-21

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: 10194887
- Published by NHTSA: 2021\-06\-03
- Manufacturer's number: SA\-036\-21
- Manufacturer's date: 2021\-05\-18
- NHTSA component: EQUIPMENT ADAPTIVE/MOBILITY; LANE DEPARTURE; EXTERIOR LIGHTING; FORWARD COLLISION AVOIDANCE

## NHTSA's summary

Some vehicles may have one of the following DTCs stored in memory along with a system status notice on the Multi\-information display OR display a system status notice with no DTC: C1001:92 \- Forward sensing camera \(FSC\) poor field of view \[Gen 6 vehicles\], B14F0:92 \- General temporary failure in forward sensing camera \(FSC\) \[Gen 7 vehicles build on or before March 2, 2019\], No DTC \- Gen 7 vehicles built after March 2, 2019, DTC C1001:92 or B14F0:92 set as a past record for low visibility of the Forward Sensing Camera \(FSC\). It does not mean there is an actual FSC defect. In some cases the customer may have a concern with the Lane Departure Warning System \(LDWS\) and/or High Beam Control system \(HBC\). In other cases this DTC might be found without a related customer concern.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10194887-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10194887-9999.pdf)

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

## Components

Driver assistance, Equipment and accessories, Lighting

## Trouble codes named

B14F0, C1001

## Vehicles listed

- 2016 to 2021 MAZDA CX\-3
- 2020 to 2021 MAZDA CX\-30
- 2016 to 2021 MAZDA CX\-5
- 2016 to 2021 MAZDA CX\-9
- 2014 to 2021 MAZDA MAZDA3
- 2014 to 2021 MAZDA MAZDA6
- 2016 to 2021 MAZDA MX\-5

## Recalls for the same vehicles and component

- [23V487000](/recalls/nhtsa/23V487000.md), 2023-07-14: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
- [2020040](/recalls/tc/2020040.md), 2020-02-06: Lights And Instruments
- [20V063000](/recalls/nhtsa/20V063000.md), 2020-02-06: EXTERIOR LIGHTING:HEADLIGHTS
- [19V907000](/recalls/nhtsa/19V907000.md), 2019-12-19: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
- [2019224](/recalls/tc/2019224.md), 2019-05-14: Lights And Instruments
- [16V753000](/recalls/nhtsa/16V753000.md), 2016-10-18: EXTERIOR LIGHTING:TURN SIGNAL

## Other bulletins for the same vehicles and component

- [SA\-038\-26a](/bulletins/11037018.md), 2026-09-04, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM; ENGINE; EXTERIOR LIGHTING. This Service Alert supersedes the previously issued service alert listed below. The changes are noted in Red text. SA\-038/26 06/15/26 DESCRIPTION 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 functions inoperative. Engine Start / Stop Door Lock / Unlock Lights ON / OFF Climate Control 3. MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ". Index MAZDA CONNECT 2 Center Display Status Icon MAZDA CONNECT 3 Center Display Status Icon Remote Engine Start Will Not Function Remote Engine Start Function Will turn engine OFF Customer Subscription Status TCU Communication Line Status
- [09\-005\-26](/bulletins/11028099.md), 2026-02-03, Service bulletin: LANE DEPARTURE: BLIND SPOT DETECTION; ELECTRICAL SYSTEM. If the right\-side Blind Spot Monitoring \(BSM\) control module is replaced for any reason, it is also necessary to replace the left\-side BSM control module in order to complete the radar aiming procedure. If the right\-side BSM control module is replaced alone, "Automatic Configuration" and "BSM Radar Aiming" cannot be completed due to a programming error in the module. In most cases, if the left\-side BSM control module is replaced alone, "Automatic Configuration" and "BSM Radar Aiming" can be completed without any problem \(See CAUTION below for more details\). Other possible symptoms that may be found if the right\-side BSM module is replaced alone: BSM aiming fails “BSM OFF" indicator ON Center Display warning message BSM failsafe \(No operation\) DTC U3000:54 stored in memory DTC U1A4B:54 stored in memory \(CX\-3, MX\-5 only\) NOTE: Since a new BSM control module does not retain the vehicle specification information, it is necessary to acquire and store the vehicle specification information transmitted via CAN communication from the combination meter through automatic configuration after replacement.
- [SA\-023\-25c](/bulletins/11026916.md), 2026-01-04, Service bulletin: ENGINE; EXTERIOR LIGHTING; 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 • 3. MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ". Page
- [SA\-023\-25b](/bulletins/11022725.md), 2025-09-04, Service bulletin: UNKNOWN OR OTHER; ENGINE; ELECTRICAL SYSTEM; EXTERIOR LIGHTING. 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 3. MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ".
- [SA\-023\-25a](/bulletins/11021499.md), 2025-08-05, Service bulletin: EXTERIOR LIGHTING; ENGINE; UNKNOWN OR OTHER. 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 3. MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ".
- [09\-029\-25](/bulletins/11021392.md), 2025-08-05, Service bulletin: EXTERIOR LIGHTING. Some customers may notice an abnormal noise \(i.e. whine, groan, rattle or squeak\) coming from the front combination lights when turning them on, or a few minutes after turning them off. The noise may be due to contamination by foreign matter during the manufacturing process and the fan motor bearing may become worn out during use. To eliminate this concern, the fan motor has been modified. NOTE: It is normal for some noise to occur within the first few seconds after starting the engine, when the front combination lights perform a self check \(sweep\).
- [SA\-023\-25](/bulletins/11019179.md), 2025-06-05, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM; ENGINE; EXTERIOR LIGHTING. 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 3. MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ".
- [09\-047\-24](/bulletins/11010990.md), 2024-12-03, Service bulletin: EXTERIOR LIGHTING. Some customers may complain that the headlights get foggy or have water spots inside. This concern may be caused by the anti\-fog coating not preventing inner condensation under certain situations. To eliminate this concern, the anti\-fog coating performance was improved.
- [SA\-017\-24b](/bulletins/11008573.md), 2024-10-05, Service bulletin: ELECTRICAL SYSTEM; ENGINE; EXTERIOR LIGHTING. 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
- [SA\-063\-24](/bulletins/11008423.md), 2024-10-04, Service bulletin: LANE DEPARTURE: BLIND SPOT DETECTION. The Blind Spot Monitoring \(BSM\) system can malfunction with the following symptoms if the rear side radar sensors are installed facing the wrong direction. BSM system indicates vehicle on the opposite side. i\-ACTIVSENSE indicator ring will not turn green Rear Cross Traffic Alert \(RCTA\) does not work Rear side radar sensor aiming may fail TPMS DTC\(s\) stored

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