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Service bulletins for the 2017 Mazda CX-5

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.

572 on file from NHTSA, as of 2026-10-19.

About U3000 on the 2017 Mazda CX-5: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: U3000 are shown. Show all

Bulletins, newest first
15-002-21-38122021-08-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Some customers may experience a SBS/SCBS, LAS/LDWS and/or HBC warning light on. A system error message may also be found in the center display. DTC U3000:04-0A (Forward sensing camera (FSC) internal malfunction). DTC U3000:04-0A (Forward sensing camera (FSC) internal malfunction) is stored in the FSC module and cannot be erased. This concern may be caused by a hardware failure of an internal device of the FSC, which results in a malfunction detection. To eliminate this concern, the production process of the FSC has been modified.
15-002-19-3542a2019-03-29. Service bulletin. EXTERIOR LIGHTING; EQUIPMENT ADAPTIVE/MOBILITY; LANE DEPARTURE; SERVICE BRAKES, HYDRAULIC; FORWARD COLLISION AVOIDANCE. Some customers may experience a SBS/SCBS, LAS/LDWS and/or HBC warning light on. A system error message may also be found in the center display. DTC U3000:04-0A (Forward sensing camera (FSC) internal malfunction).Master Warning Light, Smart Brake Support/Smart City Brake Support (SBS/SCBS) Indicator Light, Lane-keep Assist System (LAS) Lane Departure Warning System (LDWS) Warning Light, High Beam Control (HBC) system Warning Light (amber). DTC U3000:04-0A (Forward sensing camera (FSC) internal malfunction) is stored in the FSC module and cannot be erased. This concern may be caused by a hardware failure of an internal device of the FSC, which results in a malfunction detection. To eliminate this concern, the production process of the FSC has been modified.
15-002-19-35422019-03-11. Service bulletin. ELECTRICAL SYSTEM. Some customers may experience a SBS/SCBS, LAS/LDWS and/or HBC warning light on. A system error message may also be found in the center display. DTC U3000:04-0A (Forward sensing camera (FSC) internal malfunction). DTC U3000:04-0A (Forward sensing camera (FSC) internal malfunction) is stored in the FSC module and cannot be erased. This concern may be caused by an internal FSC failure. To eliminate this concern, the production process of the FSC has been modified.
MT-010-182019-02-19. Service bulletin. ELECTRICAL SYSTEM. Some vehicles (with MAZDA CONNECT) may exhibit a condition where DTC U0323(PCM) / U0423(ABS) /U3000(IC) CANNOT be deleted when the TPMS warning light flashes and/or the TCS/DSC indicator lights are illuminated. This can happen if the ignition is turned OFF within 20 seconds after the ignition is turned ON in one of the following two situations. 1. The ?ROOM? fuse (Engine compartment) is NOT installed when battery level is low. 2. The CMU (Connectivity Master Unit) is NOT connected.
15-002-18-3502a2019-02-19. Service bulletin. ELECTRICAL SYSTEM. Some customers may complain about one or more warning lights ON when they start the vehicle during hot weather. The following DTC is stored in memory: U3000:98 - Forward sensing camera (FSC) stops functioning due to temporary high temperature. The combination of warning lights mentioned by the customer may include: SCBS/SBS, LAS/LDWS, HBC, Master Warning Light. Instrument Cluster Multi-Information Display (if equipped) warning messages may include: Forward Smart City Brake Support Malfunction, Smart Brake System Malfunction, Front Camera Sensor System Malfunction. MAZDA CONNECT center display warning messages may include: High Beam Control [HBC] / Lane-keep Assist System [LAS] Malfunction. Have the vehicle checked by a dealer if this indicator stays on. Smart City Brake Support [SCBS] Malfunction. Have the vehicle checked by a dealer immediately. Note: The center display Warning Messages are only displayed when the customer selects Applications>Vehicle Status Monitor>Warning Guidance>Warnings. This condition may be caused by poor heat radiation performance of the FSC. To eliminate this concern, a thermal pad has been added to the FSC.
MT-010-182018-12-17. Service bulletin. ELECTRICAL SYSTEM; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Some vehicles (with MAZDA CONNECT) may exhibit a condition where DTC U0323(PCM) / U0423(ABS) /U3000(IC) CANNOT be deleted when the TPMS warning light flashes and/or the TCS/DSC indicator lights are illuminated. This can happen if the ignition is turned OFF within 20 seconds after the ignition is turned ON in one of the following two situations. 1. The ?ROOM? fuse (Engine compartment) is NOT installed when battery level is low. 2. The CMU (Connectivity Master Unit) is NOT connected.
15-002-18-35022018-08-20. Service bulletin. FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA; ELECTRICAL SYSTEM. Some customers may complain about one or more warning lights ON when they start the vehicle during hot weather. The following DTC is stored in memory: U3000:98 - Forward sensing camera (FSC) stops functioning due to temporary high temperature. The combination of warning lights mentioned by the customer may include: SCBS/SBS LAS/LDWS HBC Master Warning Light Instrument Cluster Multi-Information Display (if equipped) warning messages may include: Forward Smart City Brake Support Malfunction. Smart Brake System Malfunction. Front Camera Sensor System Malfunction. MAZDA CONNECT center display warning messages may include: High Beam Control [HBC] / Lane-keep Assist System [LAS] Malfunction. Have the vehicle checked by a dealer if this indicator stays on. Smart City Brake Support [SCBS] Malfunction. Have the vehicle checked by a dealer immediately. Note: The center display Warning Messages are only displayed when the customer selects Applications>Vehicle Status Monitor>Warning Guidance>Warnings. This condition may be caused by the FSC not being durable enough in high temperatures. [Earlier production Mazda3, Mazda6, CX-3 and CX-5 until summer 2017] The warning lights may stay on and these functions are deactivated until the ignition switch is turned off. Both U3000:98 (FSC) and U3000:04 (FSC) are stored. U3000:04 - Forward sensing camera (FSC) internal malfunction. If only U3000:04 (FSC) is stored, this TSB does not apply. This condition may be caused by FSC control logic that is too sensitive. When the FSC detects DTC U3000:98 during high temperature, it stops the internal communication and stores DTC U3000:04. DTC U3000:04 will not clear and SCBS/SBS, LAS/LDWS, and/or HBC functions will not resume until the ignition switch has been turned OFF even if the temperature of the FSC cools.
15-006-17-3388a2018-02-26. Service bulletin. ELECTRICAL SYSTEM. Some customers may complain about one or more warning lights ON when they start the vehicle during hot weather. The following DTCs are stored in memory: U3000:98 - Forward sensing camera (FSC) stops functioning due to temporary high temperature. U3000:04 - Forward sensing camera (FSC) internal malfunction. The combination of warning lights mentioned by the customer may include: SCBS/SBS, LAS/LDWS, HBC, Master Warning LightInstrument Cluster Multi-Information Display (if equipped) warning messages may include: Forward Smart City Brake Support Malfunction, Smart Brake System Malfunction, Front Camera Sensor System Malfunction, MAZDA CONNECT center display warning messages may include: High Beam Control [HBC] / Lane-keep Assist System [LAS] Malfunction. Have the vehicle checked by a dealer if this indicator stays on. Smart City Brake Support [SCBS] Malfunction. Have the vehicle checked by a dealer immediately. Note: The center display Warning Messages are only displayed when the customer selects Applications>Vehicle Status Monitor>Warning Guidance>Warnings. This condition may be caused by FSC control logic that is too sensitive. When the FSC detects DTCU3000:98 during high temperature, it stops the internal communication and stores DTC U3000:04. DTC U3000:04 will not clear and SCBS/SBS, LAS/LDWS, and/or HBC functions will not resume until the ignition switch has been turned OFF, even if the temperature of the FSC cools. Before FSC Reprogramming: The warning lights/messages will be displayed until the FSC cools and the ignition is turned OFF, then back ON. Instrument Instrument Cluster Warning Lights and MAZDA CONNECT Warning Messages Cluster Warning Messages Warning Lights (With Multi-Information Display) (Without Multi-Information Display), Note: These Warning Messages are displayed when the customer selects Applications>Vehicle Status Monitor>Warning Guidance>Warnings.
15-006-17-33882017-11-14. Service bulletin. BACK OVER PREVENTION: CAMERA SYSTEM; ELECTRICAL SYSTEM; SERVICE BRAKES. Some customers may complain about one or more warning lights ON when they start the vehicle during hot weather. The following DTCs are stored in memory: U3000:98 - Forward sensing camera (FSC) stops functioning due to temporary high temperature. U3000:04 - Forward sensing camera (FSC) internal malfunction. The combination of warning lights mentioned by the customer may include: Instrument Cluster Multi-Information Display (if equipped) warning messages may include: Forward Smart City Brake Support Malfunction, Smart Brake System Malfunction, Front Camera Sensor System Malfunction, MAZDA CONNECT center display warning messages may include: High Beam Control [HBC] / Lane-keep Assist System [LAS] Malfunction. Have the vehicle checked by a dealer if this indicator stays on. Smart City Brake Support [SCBS] Malfunction. Have the vehicle checked by a dealer immediately. Note: The center display Warning Messages are only displayed when the customer selects Applications>Vehicle Status Monitor>Warning Guidance>Warnings. This condition may be caused by FSC control logic that is too sensitive. When the FSC detects DTC U3000:98 during high temperature, it stops the internal communication and stores DTC U3000:04. DTC U3000:04 will not clear and SCBS/SBS, LAS/LDWS, and/or HBC functions will not resume until the ignition switch has been turned OFF even if the temperature of the FSC cools.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.