VIN / Build Split
VIN pos 4-8 identifies model/body/engine. Mazda WMI: JM1, 3MZ. Position 4-5 = model. Position 10 = model year code.
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2018 Mazda MAZDA3 Supported Services
2018 Mazda MAZDA3
ADAS calibration, module programming, and security relearns
Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements.
Technical snapshot
- Platform BP (4th Gen, 2019+) - Skyactiv Vehicle Architecture
- CAN Architecture Mazda CAN FD; OBD2 DLC ISO 15765-4 CAN
- Security Mazda Immobilizer AES; pin extraction via our diagnostic software; AKL requires our diagnostic software + dealer authorization
What do you need fixed?
Choose a service to start your quote.
OVERVIEW
Expert ADAS calibration, module programming, and diagnostic recovery for the 2018 Mazda Mazda3. On this vehicle we cover documented systems include i-Activsense - Forward Camera (SBS / LDW / LKA), i-Activsense - Front Radar (77GHz) - MRCC / AEB, and Blind Spot Monitoring (BSM) + Rear Cross-Traffic Alert, this BP (4th Gen, 2019+) - Skyactiv Vehicle Architecture platform vehicle, SSU immobilizer support. Mobile across the DFW Metroplex; mail-in module service is available nationwide.
Platform
BP (4th Gen, 2019+) - Skyactiv Vehicle Architecture
Production
2004-present
Trim Levels
Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements.
Drivetrain
FWD / AWD
Engine
-
CAN Speed
Mazda CAN FD; OBD2 DLC ISO 15765-4 CAN
YEAR-SPECIFIC NOTES
Exact-year service summary for 2018 Mazda Mazda3
ADAS coverage
This 2018 Mazda Mazda3 page documents 5 ADAS systems, including i-Activsense - Forward Camera (SBS / LDW / LKA), i-Activsense - Front Radar (77GHz) - MRCC / AEB, Blind Spot Monitoring (BSM) + Rear Cross-Traffic Alert, and Mazda Radar Cruise Control (MRCC) - Adaptive Cruise.
View ADAS dataCalibration triggers
Documented calibration triggers include Windshield Replacement, Front Bumper Repair, Rear Bumper Repair, and Any Module Replacement. Use the ADAS tab for the full trigger list.
View triggersProgrammable modules
This page indexes 17 programmable module records across SRS, ECU, BCM, TCU/TCM, ABS, and IPC coverage.
View modulesGateway and security
This page includes 2 gateway, immobilizer, or key-security records for this 2018 Mazda Mazda3.
View securityCore Auto Logic capability
Core Auto Logic supports exact-year diagnostics, ADAS calibration, module programming, and security-access planning for the 2018 Mazda Mazda3 using the documented systems and module data on this page.
Choose a sectionWhat changes on this exact year
Feature availability
Mazda i-ACTIVSENSE: Mazda Radar Cruise Control, LDWS, LAS, Smart Brake Support, - Available; Platform: BP (4th Gen, 2019+) - Confirmed
Driver-assist suite
Mazda i-ACTIVSENSE: Mazda Radar Cruise Control, LDWS, LAS, Smart Brake Support, Blind Spot Monitoring, Rear Cross-Traffic Alert, Driver Attention Alert; G-Vectoring Control+
VIN and build split
VIN pos 4-8 identifies model/body/engine. Mazda WMI: JM1, 3MZ. Position 4-5 = model. Position 10 = model year code.
Infotainment context
Mazda Connect (8.8" or 10.25"); wireless CarPlay/Android Auto
Network and access
CAN: Mazda CAN FD; OBD2 DLC ISO 15765-4 CAN
Tool access for this exact year
Representative tool access paths for this exact model year, gated by the vehicle data and source packet we currently trust.
Factory scan, coding, and calibration access
Mazda MDARS / Mazda IDS
Factory routines and secure server authorization control this path when aftermarket coverage is not enough for the VIN.
Ford-family configuration and service functions
FORScan
Useful for supported configuration and diagnostics; factory programming still moves to OEM software when required.
ADAS scan, setup, and verification
Autel, Launch Tech, Topdon
Used where aftermarket coverage supports the procedure; OEM software remains required for locked factory routines.
Bench cloning and chip-level recovery
Alientech / Autotuner / Orange5 / Scanmatik / Flex / VVDI2 / PCMFlash / CGDI / X-Prog
Used only when the module, donor data, EEPROM, MCU, or crash-data workflow requires bench or chip-level handling.
Bench/chip-level only
Choose a section to view data
SUPPORTED SYSTEMS
What we service on this vehicle
Documented module coverage for the 2018 Mazda MAZDA3. Counts reflect modules our techs have programmed or calibrated on this exact platform.
ADAS Calibration
5 modules documented
Forward camera, radar, surround-view and lane-keep recalibration after windshield, suspension or fascia work.
Open ADAS tabEngine / ECU Programming
4 modules documented
Powertrain reprogramming, calibration updates, replacement ECU configuration and security access.
Open Modules tabBCM / Body Programming
2 modules documented
Body control module, gateway and accessory programming. Includes feature-bit reconfiguration.
Open Modules tabTCU / Transmission
3 modules documented
Transmission control module reprogramming, adaptive learning reset and replacement TCM clone.
Open Modules tabSRS / Airbag Reset
1 module documented
Crash-data clear, hard-code reset and replacement airbag module configuration.
Open Modules tabABS / Brake Module
1 module documented
ABS / EBCM bleed support, replacement module coding and yaw-rate sensor calibration.
Open Modules tabIPC, SAS & Other Modules
4 modules documented
Instrument cluster cloning, steering angle sensor calibration and other supporting modules.
Open Modules tabConnectivity & Accessories
2 modules documented
Infotainment radio, surround view, remote start, trailer brake controller and other equipped systems.
Open Modules tabRecalibration Triggers
8 modules documented
Service events that require ADAS recalibration on this vehicle. Tap to see what triggers what.
Open ADAS tabNeed something not listed? Most undocumented modules can still be programmed.
Get a QuoteFeature availability 2
Mazda i-ACTIVSENSE: Mazda Radar Cruise Control, LDWS, LAS, Smart Brake Support
AvailableCalibration required after windshield replacement, camera/radar service, or structural repair affecting sensor alignment.
Platform: BP (4th Gen, 2019+)
ConfirmedVerify platform code matches when cross-referencing part numbers across model years.
WHAT WE RESOLVE
Common issues on this vehicle
Common Mazda Mazda3 issues we resolve on this platform: i-Activsense - Forward Camera (SBS / LDW / LKA), i-Activsense - Front Radar (77GHz) - MRCC / AEB, Blind Spot Monitoring (BSM) + Rear Cross-Traffic Alert, and Mazda Radar Cruise Control (MRCC) - Adaptive Cruise recalibration after windshield/bumper/suspension/CCM service. Module programming for replacement ECU/PCM, BCM, TCU, or accessory modules - BP (4th Gen, 2019+) - Skyactiv Vehicle Architecture platform uses Mazda CAN FD; OBD2 DLC ISO 15765-4 CAN.
ADAS CALIBRATION MATRIX
ADAS systems on this vehicle
Mazda i-ACTIVSENSE: Mazda Radar Cruise Control, LDWS, LAS, Smart Brake Support, Blind Spot Monitoring, Rear Cross-Traffic Alert, Driver Attention Alert; G-Vectoring Control+
Scroll for part numbers and Details
| System | Type | Category | Cal. Type | Supported | Part # | Actions |
|---|---|---|---|---|---|---|
| i-Activsense - Forward Camera (SBS / LDW / LKA) | Forward Camera | Camera | Static | YES | K670-67-XZ0 | |
| i-Activsense - Front Radar (77GHz) - MRCC / AEB | Front Radar | Radar | Static | YES | TK21-67-XZ0 | |
| Blind Spot Monitoring (BSM) + Rear Cross-Traffic Alert | Side Radar | Radar | Static + Dynamic | YES | TK21-67-RX0 (L), TK21-67-RY0 (R) | |
| Mazda Radar Cruise Control (MRCC) - Adaptive Cruise | Front Radar | Radar | Static | YES | TK21-67-XZ0 | |
| Rear View Camera | Rear Camera | Camera | Static | YES | - |
ADAS SYSTEM
YES Supported
Identification
- System type
- Module category
- Sensor location
Part Numbers
- OEM
- Alternative
Calibration & Triggers
- Calibration type
- Programming approach
- Requires PMI
- Trigger events
Technical Notes
- Chip / MCU
- Service notes
Need this calibrated?
Get a quote for ADAS calibration WHEN IS CALIBRATION REQUIRED?
Triggers for ADAS recalibration
Windshield Replacement Affected: Forward Camera, LDWS, LAS, SBS, DAA
Static ADAS calibration via our diagnostic software. BP-specific target; verify distance in our diagnostic software.
Front Bumper Repair Affected: Front Radar, MRCC, SBS
our diagnostic software radar alignment. Bracket inspection.
Rear Bumper Repair Affected: BSM Radar L/R, RCTA
our diagnostic software BSM initialization if sensors disturbed.
Any Module Replacement Affected: BCM, ECM, SRS ECU, TCM, ABS/DSC
our diagnostic software PMI + VIN coding. IMMO on ECM. GVC+ verify after DSC.
Forward Camera Replacement
Camera module replacement requires full recalibration using MAZDA our diagnostic software.
Any Front-End Collision
Inspect and recalibrate forward camera after any front-end collision using MAZDA our diagnostic software.
BSM Sensor Replacement
Blind spot monitoring sensor replacement requires calibration using MAZDA our diagnostic software.
Mirror Replacement
If BSD sensor is mirror-integrated, recalibration required. Verify sensor location; use MAZDA our diagnostic software if applicable.
SRS Modules
SAS Control Unit BJS757K0002
- Part number
- BJS757K0002
- Location
- Under center console
- Manufacturer
- Mitsubishi Electric
- Notes
- Requires Mazda IDS or M-MDS for SAS unit configuration. DTC B2300 common after crash events. Battery disconnect before removal.
ECU Modules
ECM - Skyactiv-G 2.0L ~PY8V-18-881 OR SIMILAR (VERIFY VIA OUR DIAGNOSTIC SOFTWARE)
- Part number
- ~PY8V-18-881 OR SIMILAR (VERIFY VIA OUR DIAGNOSTIC SOFTWARE)
- Protocol / method
- OBD Programming Port
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Denso or Bosch
- Notes
- our diagnostic software ECM + VIN + IMMO. Throttle idle learn.
ECM - Skyactiv-G 2.5L ~PY8T-18-881 OR SIMILAR (VERIFY VIA OUR DIAGNOSTIC SOFTWARE)
- Part number
- ~PY8T-18-881 OR SIMILAR (VERIFY VIA OUR DIAGNOSTIC SOFTWARE)
- Protocol / method
- OBD Programming Port
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Denso or Bosch
- Notes
- our diagnostic software ECM + VIN + IMMO.
ECM - Skyactiv-G 2.5T Turbo ~PNA2-18-881 OR SIMILAR (VERIFY VIA OUR DIAGNOSTIC SOFTWARE)
- Part number
- ~PNA2-18-881 OR SIMILAR (VERIFY VIA OUR DIAGNOSTIC SOFTWARE)
- Protocol / method
- OBD Programming Port
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Denso or Bosch
- Notes
- Turbo only. our diagnostic software ECM + VIN + IMMO.
TCM - 6-Speed AT or Manual
- Protocol / method
- OBD Programming Port
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Mazda OEM
- Notes
- our diagnostic software TCM + adaptive reset.
BCM Modules
Body Control Module (BCM) ~GSF5-66-DX0 OR SIMILAR (VERIFY VIA OUR DIAGNOSTIC SOFTWARE)
- Part number
- ~GSF5-66-DX0 OR SIMILAR (VERIFY VIA OUR DIAGNOSTIC SOFTWARE)
- Security
- AES
- Coding required
- Yes
- Cloning supported
- Yes
- Notes
- our diagnostic software programming + variant config. VIN-tie required.
Keyless Entry ECU
- Security
- AES
- Coding required
- Yes
- Cloning supported
- No
- Notes
- our diagnostic software + dealer auth for key registration.
TCU / TCM Transmission Modules
TCU - SKYACTIV-DRIVE 6-Speed Auto PE01-21-5T0
- Part number
- PE01-21-5T0
- Protocol / method
- J2534
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Renesas SH72xx
- Notes
- Requires TCM programming via Mazda IDS. ATF: FZ fluid. TCM relearn procedure mandatory after installation.
N/A - 6-Speed Manual
- Protocol / method
- Virgin Flash
- Coding required
- No
- Cloning supported
- No
- Chip / MCU
- N/A
- Notes
- Manual transmission - no TCU/TCM present.
N/A - 6-Speed Manual
- Protocol / method
- Virgin
- Coding required
- No
- Cloning supported
- No
- Chip / MCU
- N/A
- Notes
- Manual transmission - no TCU/TCM present.
ABS / Brake Modules
ABS/DSC Module ~GHP5-43-71X OR SIMILAR (VERIFY VIA OUR DIAGNOSTIC SOFTWARE)
- Part number
- ~GHP5-43-71X OR SIMILAR (VERIFY VIA OUR DIAGNOSTIC SOFTWARE)
- Cloning supported
- Yes
- Notes
- our diagnostic software initialization. Power bleed. SAS zero-point. GVC+ verify after DSC replacement.
Other Modules (IPC, SAS)
Instrument Panel Cluster (IPC) BHN1-55-430
- Part number
- BHN1-55-430
- Cloning supported
- Yes
- Notes
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
Instrument Panel Cluster (IPC) BHN1-55-434
- Part number
- BHN1-55-434
- Cloning supported
- Yes
- Notes
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
Steering Angle Sensor (SAS)
- Coding required
- Yes
- Notes
- INTEGRATED (clock spring / steering column module
Steering Angle Sensor (SAS)
- Coding required
- Yes
- Notes
- cross-year extension)
Connectivity & Accessories
IPC (Instrument Panel Cluster)
- Notes
- our diagnostic software programming + VIN write.
ARCHITECTURE & CONNECTIVITY
Architecture & Connectivity
- Body Construction
- Advanced high-strength steel unibody; shared platform with CX-30
- OBD Protocol
- ISO 15765-4 CAN (500 kbps)
- CAN Architecture
- Mazda CAN FD; OBD2 DLC ISO 15765-4 CAN
- Infotainment
- Mazda Connect (8.8" or 10.25"); wireless CarPlay/Android Auto
- OTA Capable
- No
- ECU/TCM Unlocking
- Contact us
- ECU/TCM Flashing
- Confirmed
Reviewed coverage: 2018 - 2.0 Skyactiv-G M-hybrid.
Confirm the exact engine, ECU, and any prerequisite access method before service.
FREQUENTLY ASKED QUESTIONS
FAQ
How much does ADAS calibration cost for a 2018 Mazda Mazda3?
ADAS calibration pricing for a 2018 Mazda Mazda3 depends on which of its 5 documented systems need work after a repair. This vehicle is documented with i-Activsense - Forward Camera (SBS / LDW / LKA), i-Activsense - Front Radar (77GHz) - MRCC / AEB, Blind Spot Monitoring (BSM) + Rear Cross-Traffic Alert, Mazda Radar Cruise Control (MRCC) - Adaptive Cruise, and Rear View Camera. We provide a fixed quote after confirming the operations performed - send the VIN, the repair scope (windshield R&R, bumper work, alignment, collision), and any DTCs so the quote response can include a real number.
Can you reset the airbag light on a 2018 Mazda Mazda3?
Yes. The 2018 Mazda Mazda3 uses a factory SRS control module that we support. We read and clear stored crash data, then restore the module to factory status so the airbag warning light goes out and the system returns to full operation. Reference part number on this vehicle: BJS757K0002. Mobile diagnosis and programming are available in DFW, and mail-in module service is available nationwide. Send the part number and a description of what triggered the light, and we will provide a quote and scheduling window.
What is needed after replacing the windshield on a 2018 Mazda Mazda3?
After windshield replacement on a 2018 Mazda Mazda3, i-Activsense - Forward Camera (SBS / LDW / LKA), i-Activsense - Front Radar (77GHz) - MRCC / AEB, and Rear View Camera rely on the forward-facing camera and require recalibration before the systems return to operation. We perform the calibration on-site in the DFW Metroplex with OE target fixtures. Mail-in module service is available nationwide for eligible module work.
How long does a 2018 Mazda Mazda3 module service take?
Most 2018 Mazda Mazda3 onsite jobs are typically scheduled within 24-48 hours once vehicle readiness, access, and route timing are confirmed. This vehicle has roughly 16 programmable modules documented in our database (4 ECU, 2 BCM, 2 TCU, 1 ABS, plus IPC/SAS/gateway/accessory). Mobile module work and ADAS calibration are scheduled in the DFW service area after quote review. Mail-in module service is available nationwide.
Do you cover the 2018 Mazda Mazda3 on-site, or is this mail-in only?
We run a mobile unit across the DFW Metroplex for on-vehicle work (ADAS calibration, post-repair recoding, and supported module work). Mail-in module service is available nationwide. Quote the work and we will confirm the active service path for the 2018 Mazda Mazda3. Do not ship a module unless support confirms next steps.
What kind of warranty do you offer on 2018 Mazda Mazda3 programming?
Every programming, cloning, and calibration job on the 2018 Mazda Mazda3 is backed by a workmanship warranty covering the scope of work we performed: 1-year unlimited on all flashes, clones, and ADAS calibrations. If a module we programmed or a calibration we performed fails to function as expected, return it and we restore it at no charge. The warranty covers our work; it does not cover unrelated mechanical or electrical failure of the module itself.
Which modules on a 2018 Mazda Mazda3 can you actually service?
We program, clone, repair, or replace the full programmable-module stack on a 2018 Mazda Mazda3. For this vehicle our database documents:
- 4 engine control (ECU/PCM)
- 2 transmission control (TCU/TCM)
- 2 body control (BCM and related)
- 1 ABS / brake control (EBCM)
- 1 immobilizer / security
- 1 key & fob
- 2 instrument cluster (IPC)
- 2 steering angle sensor (SAS)
- 5 ADAS module
Send the VIN and the operations performed and we will confirm support and pricing.
Additional Module Part Numbers
Additional OEM-sourced part numbers for the 2018 Mazda MAZDA3 covering ADAS, ECU/PCM, BCM, TCU/TCM, SRS, ABS/EBCM, instrument cluster (IPC), gateway, and steering angle sensor modules when available. These reference numbers assist technicians with module identification and sourcing prior to programming.
- ADAS Module Part Numbers
- BHN1-67-YE0, BHN1-67-XE3
- ECU / PCM Part Numbers
- PE01-18-881G, PE01-18-881H
- BCM / Body Module Part Numbers
- ~GSF5-66-DX0 OR SIMILAR (VERIFY VIA OUR DIAGNOSTIC SOFTWARE)
- TCU / TCM Part Numbers
- PE01-21-5T0
- SRS / Airbag Module Part Numbers
- BJS757K0002
- ABS / EBCM Part Numbers
- BHN1-43-7A0, BHN1-43-7A0C
- Instrument Cluster (IPC) Part Numbers
- BHN1-55-430, BHN1-55-434
- Transmission Control Module (TCM) Part Numbers
- PE01-21-5T0
Part numbers are OEM base references. Verify exact suffix via VIN-specific build data before ordering. Core Auto Logic provides mobile programming services for all listed modules in the DFW area.
Different trim or build?
Send your VIN and we'll confirm exact module support and pricing in the quote response.
Hit a security wall? We've got the keys.
1-year unlimited warranty on every flash and calibration.
Shared module fitment
Vehicles sharing modules with the 2018 Mazda Mazda3
These vehicles use one or more of the same replacement modules indexed for this vehicle.
Finish the repair
Need help finishing this repair?
Get onsite help in Dallas-Fort Worth. Ask about same-day availability or a one-time remote session for eligible non-VSP work.
Mazda IDS / MDARS Explore one-time factory coding and programming. We confirm the software and procedure for your vehicle. Module programming & recovery Replacing a module or dealing with a failed programming attempt? Send the part numbers and fault scan for review. Onsite tools & equipment Bring in a technician or ask about hourly, daily and weekly rentals where licensing and equipment availability allow.