VIN / Build Split
VIN pos 4-8 identifies model/body/engine. Nissan WMI: 1N4, 5N1, JN1. Position 4-5 = model. Position 10 = model year code.
3,200+ Vehicles Supported
1-Year Unlimited Guarantee
DFW Mobile Service
DFW Serving Dallas / Fort Worth
2021 Nissan Altima Supported Services
2021 Nissan Altima
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 D Platform (L34, 6th Gen Altima)
- CAN Architecture Nissan multi-CAN bus; OBD2 DLC ISO 15765-4 CAN 500kbps; CONSULT-III Plus LAN for module flash
- Security Nissan NATS - no OBD pin extraction; AKL via CONSULT-III Plus + ASIST dealer authorization; max 4 keys
What do you need fixed?
Choose a service to start your quote.
OVERVIEW
Expert ADAS calibration, module programming, and diagnostic recovery for the 2021 Nissan Altima. On this vehicle we cover documented systems include Forward Camera (Monocular), Forward Radar (77GHz), and Blind Spot Monitor Sensor - Left (BSM), this D Platform (L34, 6th Gen Altima) platform vehicle, Nissan NATS - CONSULT-III Plus programming immobilizer support, NissanConnect infotainment programming. Mobile across the DFW Metroplex; mail-in module service is available nationwide.
Platform
D Platform (L34, 6th Gen Altima)
Production
2007-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
Nissan multi-CAN bus; OBD2 DLC ISO 15765-4 CAN 500kbps; CONSULT-III Plus LAN for module flash
YEAR-SPECIFIC NOTES
Infotainment
NissanConnect
Exact-year service summary for 2021 Nissan Altima
ADAS coverage
This 2021 Nissan Altima page documents 6 ADAS systems, including Forward Camera (Monocular), Forward Radar (77GHz), Blind Spot Monitor Sensor - Left (BSM), and Blind Spot Monitor Sensor - Right (BSM).
View ADAS dataCalibration triggers
Documented calibration triggers include Windshield Replacement, Forward Camera Replacement, Forward Radar Replacement, and BSD Radar Replacement. Use the ADAS tab for the full trigger list.
View triggersProgrammable modules
This page indexes 21 programmable module records across SRS, ECU, BCM, TCU/TCM, ABS, and IPC coverage.
View modulesGateway and security
This page includes 6 gateway, immobilizer, or key-security records for this 2021 Nissan Altima.
View securityCore Auto Logic capability
Core Auto Logic supports exact-year diagnostics, ADAS calibration, module programming, and security-access planning for the 2021 Nissan Altima using the documented systems and module data on this page.
Choose a sectionWhat changes on this exact year
Feature availability
Nissan Safety Shield 360 (expanded trim availability 2021): Automatic Emergency - Available; Platform: D Platform (L34, 6th Gen Altima) - Confirmed
Driver-assist suite
Nissan Safety Shield 360 (expanded trim availability 2021): Automatic Emergency Braking with Pedestrian Detection (Automatic Emergency Braking with Pedestrian Detection (AEB-P)), Rear Automatic Braking, Blind Spot Warning, Rear Cross-Traffic Alert, Lane Departure Warning, High Beam Assist; ProPilot Assist on Platinum
VIN and build split
VIN pos 4-8 identifies model/body/engine. Nissan WMI: 1N4, 5N1, JN1. Position 4-5 = model. Position 10 = model year code.
Infotainment context
NissanConnect; 8" NissanConnect; Apple CarPlay and Android Auto standard; NissanConnect Services limited OTA
Network and access
CAN: Nissan multi-CAN bus; OBD2 DLC ISO 15765-4 CAN 500kbps; CONSULT-III Plus LAN for module flash
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
Nissan CONSULT-III Plus
Factory routines and secure server authorization control this path when aftermarket coverage is not enough for the VIN.
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 2021 Nissan Altima. Counts reflect modules our techs have programmed or calibrated on this exact platform.
ADAS Calibration
6 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
3 modules documented
Body control module, gateway and accessory programming. Includes feature-bit reconfiguration.
Open Modules tabGateway / Security Access
1 module documented
Secure gateway module identification, bypass workflow and security-access planning before programming.
Open Security tabTCU / Transmission
1 module 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
6 modules documented
ABS / EBCM bleed support, replacement module coding and yaw-rate sensor calibration.
Open Modules tabIPC, SAS & Other Modules
2 modules documented
Instrument cluster cloning, steering angle sensor calibration and other supporting modules.
Open Modules tabConnectivity & Accessories
4 modules documented
Infotainment radio, surround view, remote start, trailer brake controller and other equipped systems.
Open Modules tabRecalibration Triggers
15 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
Nissan Safety Shield 360 (expanded trim availability 2021): Automatic Emergency
AvailableCalibration required after windshield replacement, camera/radar service, or structural repair affecting sensor alignment.
Platform: D Platform (L34, 6th Gen Altima)
ConfirmedVerify platform code matches when cross-referencing part numbers across model years.
WHAT WE RESOLVE
Common issues on this vehicle
Common Nissan Altima issues we resolve on this platform: Forward Camera (Monocular), Forward Radar (77GHz), Blind Spot Monitor Sensor - Left (BSM), and Blind Spot Monitor Sensor - Right (BSM) recalibration after windshield/bumper/suspension/CCM service. Module programming for replacement ECU/PCM, BCM, TCU, or accessory modules - D Platform (L34, 6th Gen Altima) platform uses Nissan multi-CAN bus; OBD2 DLC ISO 15765-4 CAN 500kbps; CONSULT-III Plus LAN for module flash.
ADAS CALIBRATION MATRIX
ADAS systems on this vehicle
Nissan Safety Shield 360 (expanded trim availability 2021): Automatic Emergency Braking with Pedestrian Detection (Automatic Emergency Braking with Pedestrian Detection (AEB-P)), Rear Automatic Braking, Blind Spot Warning, Rear Cross-Traffic Alert, Lane Departure Warning, High Beam Assist; ProPilot Assist on Platinum
Scroll for part numbers and Details
| System | Type | Category | Cal. Type | Supported | Part # | Actions |
|---|---|---|---|---|---|---|
| Forward Camera (Monocular) | Camera | ADAS | Static | YES | ~284A1-6CA (VERIFY VIA OUR DIAGNOSTIC SOFTWARE) | |
| Forward Radar (77GHz) | Radar | ADAS | Static + Dynamic | YES | ~284A0-6CA (VERIFY VIA OUR DIAGNOSTIC SOFTWARE) | |
| Blind Spot Monitor Sensor - Left (BSM) | Radar | ADAS | Static + Dynamic | YES | ~284M0-6CA (VERIFY VIA OUR DIAGNOSTIC SOFTWARE) | |
| Blind Spot Monitor Sensor - Right (BSM) | Radar | ADAS | Static + Dynamic | YES | ~284M0-6CA (R - (VERIFY VIA OUR DIAGNOSTIC SOFTWARE) | |
| ProPilot Assist (Platinum) | Software | ADAS | None | YES | - | |
| High Beam Assist (HBA) | Camera | ADAS | None | 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
CONSULT camera static cal. Level surface, target approx. 3m from front bumper. ProPilot Assist (Platinum): dynamic road cal additionally. Clear ADAS DTC before delivery.
Forward Camera Replacement
CONSULT static cal. ProPilot Platinum: dynamic cal. Confirm L34 part. Clear DTC.
Forward Radar Replacement
CONSULT radar cal. Bumper/grille installed. No metallic obstruction. Perform with camera cal if both disturbed.
BSD Radar Replacement
CONSULT BSD init. Fixed mount. Rear bumper installed. Verify BSW and RCTA. Both DTC-free.
ECM Replacement
2021: QR25DE only - use 6CAxx ASIST file. CONSULT + VIN + NATS. Throttle zero-point + idle relearn. No 6CBxx applicable.
BCM Replacement
CONSULT + VIN tie. All option codes per VIN. Verify NATS and body functions.
ABS / VDC Module Replacement
CONSULT VDC init. SAS zero-point: CONSULT reset + drive straight 25+ mph. AWD torque-split init. Brake bleed if HCU replaced.
Alignment / Steering Component
CONSULT SAS reset after alignment or steering service. Drive straight 25+ mph. Confirm no VDC/ABS DTC. ProPilot Platinum: EPS torque sensor cal if EPS disturbed.
Intelligent Key ECU Replacement
CONSULT + ASIST. All keys erased. All customer keys present. Max 4. Verify all start engine.
CVT TCM Replacement
CONSULT CVT programming + adaptive reset. NS-3 fluid via CONSULT. 100+ mile relearn. AWD: torque split verify.
Any Front-End Collision
Inspect and recalibrate forward camera after any front-end collision using CONSULT-III+.
Front Bumper Repair or Replacement
Forward radar angular alignment required after front bumper R&R. Use CONSULT-III+.
Rear Bumper Repair or Replacement
BSD radar alignment required after rear bumper R&R. Use CONSULT-III+.
BSM Sensor Replacement
Blind spot monitoring sensor replacement requires calibration using CONSULT-III+.
Mirror Replacement
If BSD sensor is mirror-integrated, recalibration required. Verify sensor location; use CONSULT-III+ if applicable.
SRS Modules
SRS Control Unit 98515-6CA8A
- Part number
- 98515-6CA8A
- Location
- Under center console
- Manufacturer
- Continental
- Notes
- Requires Consult III+ or J2534. Clear SRS DTCs after installation. Battery disconnect and 3-minute wait before module removal.
ECU Modules
ECM - 2.5L QR25DE (ALL 2021 trims - VC-Turbo discontinued) ~23710-6CA (VERIFY SUFFIX VIA CONSULT)
- Part number
- ~23710-6CA (VERIFY SUFFIX VIA CONSULT)
- Notes
- 2021: QR25DE is the ONLY engine available - VC-Turbo (KR20DDET) was discontinued after 2020 MY. Use 6CAxx ASIST calibration file only. CONSULT + VIN + NATS coding. Throttle zero-point + idle relearn. No 6CBxx file applicable for any 2021 Altima.
TCM - Xtronic CVT ~31036-6CA (VERIFY VIA CONSULT)
- Part number
- ~31036-6CA (VERIFY VIA CONSULT)
- Notes
- CONSULT CVT programming + adaptive reset. NS-3 fluid level via CONSULT. 100+ mile relearn. AWD: torque split verify.
AWD Control Module (AWD VINs)
- Notes
- CONSULT initialization for AWD VINs. Verify all-wheel engagement in live data.
Display Audio (NissanConnect 8")
- Notes
- CONSULT diagnostic. USB/OTA software update. CarPlay and Android Auto. No coding for base unit swap.
BCM Modules
Body Control Module (BCM) ~284B1-6CA (VERIFY VIA CONSULT)
- Part number
- ~284B1-6CA (VERIFY VIA CONSULT)
- Notes
- CONSULT programming + VIN tie. All option codes per VIN. Verify NATS and all body functions.
Intelligent Key ECU ~285E1-6CA (VERIFY VIA CONSULT)
- Part number
- ~285E1-6CA (VERIFY VIA CONSULT)
- Notes
- CONSULT + ASIST. All keys erased. All customer keys present. Max 4. Verify all start engine.
Power Window Module (if separate)
- Notes
- CONSULT body check. Window learning via CONSULT if required.
TCU / TCM Transmission Modules
TCU - CVT8 Xtronic CVT 31036
- Part number
- 31036
- Protocol / method
- J2534
- Coding required
- Yes
- Cloning supported
- No
- Chip / MCU
- Continental TC397
- Notes
- CVT relearn required via CONSULT III+. NS-3 CVT fluid spec. VIN coding mandatory.
ABS / Brake Modules
ABS/ESC Control Module (VDC) ~47660-6CA (VERIFY VIA CONSULT)
- Part number
- ~47660-6CA (VERIFY VIA CONSULT)
- Notes
- CONSULT VDC initialization. SAS zero-point cal: CONSULT reset + drive straight 25+ mph. AWD: torque-split init. Brake bleed if HCU replaced.
Wheel Speed Sensor - Front Left
- Notes
- Hall-effect. CONSULT DTC clear + 15+ mph verify.
Wheel Speed Sensor - Rear Right
- Notes
- AWD: equal rear signals at same speed. CONSULT verify.
Brake Fluid Actuator (ABS HCU)
- Notes
- CONSULT power bleed. Firm pedal before road test. SAS zero-point after.
Other Modules (IPC, SAS)
Instrument Panel Cluster (IPC) 24810-6CA0B
- Part number
- 24810-6CA0B
- 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 (spiral cable 25554 family)
Connectivity & Accessories
Backup Camera
- Notes
- Standard all trims. CONSULT camera init if replaced. Verify image and guidelines in reverse.
NissanConnect Services (Telematics / OTA)
- Notes
- Emergency call, remote functions, limited OTA. Verify subscription post-transfer.
Wireless Charging Pad (SL / Platinum)
- Notes
- Qi standard. Function verify after replacement.
ProPilot Assist EPS Steering Sensor (Platinum)
- Notes
- CONSULT EPS cal after EPS/steering column service before ProPilot re-enabling.
Gateway / Security Modules
Central Gateway Module
- Manufacturer
- NXP / Freescale
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- MPC5606BK
- Notes
- Compatibility label: X-TRAIL. BCM Notes: Read/Write
ARCHITECTURE & CONNECTIVITY
Architecture & Connectivity
- Body Construction
- D Platform Unibody - Advanced High-Strength Steel (AHSS), FWD or AWD
- OBD Protocol
- ISO 15765-4 CAN (500 kbps)
- CAN Architecture
- Nissan multi-CAN bus; OBD2 DLC ISO 15765-4 CAN 500kbps; CONSULT-III Plus LAN for module flash
- Infotainment
- 8" NissanConnect; Apple CarPlay and Android Auto standard; NissanConnect Services limited OTA
- OTA Capable
- Yes
- Infotainment Name
- NissanConnect
- ECU/TCM Unlocking
- Contact us
- ECU/TCM Flashing
- Contact us
OPENPILOT / COMMA.AI
Openpilot Compatibility
Not Supported
Not supported - 2021 outside openpilot year range (2019-2020, 2024)
Not in openpilot support tree as of April 2026. Supported years: 2019-2020, 2024. Gap years 2021-23 not confirmed in CARS.md.
FREQUENTLY ASKED QUESTIONS
FAQ
How much does ADAS calibration cost for a 2021 Nissan Altima?
ADAS calibration pricing for a 2021 Nissan Altima depends on which of its 6 documented systems need work after a repair. This vehicle is documented with Forward Camera (Monocular), Forward Radar (77GHz), Blind Spot Monitor Sensor - Left (BSM), Blind Spot Monitor Sensor - Right (BSM), and ProPilot Assist (Platinum). 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 2021 Nissan Altima?
Yes. The 2021 Nissan Altima 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: 98515-6CA8A. 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 2021 Nissan Altima?
After windshield replacement on a 2021 Nissan Altima, Forward Camera (Monocular) and Forward Radar (77GHz) 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 2021 Nissan Altima module service take?
Most 2021 Nissan Altima onsite jobs are typically scheduled within 24-48 hours once vehicle readiness, access, and route timing are confirmed. This vehicle has roughly 24 programmable modules documented in our database (4 ECU, 3 BCM, 1 TCU, 6 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 2021 Nissan Altima 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 2021 Nissan Altima. Do not ship a module unless support confirms next steps.
What kind of warranty do you offer on 2021 Nissan Altima programming?
Every programming, cloning, and calibration job on the 2021 Nissan Altima 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 2021 Nissan Altima can you actually service?
We program, clone, repair, or replace the full programmable-module stack on a 2021 Nissan Altima. For this vehicle our database documents:
- 4 engine control (ECU/PCM)
- 1 transmission control (TCU/TCM)
- 3 body control (BCM and related)
- 6 ABS / brake control (EBCM)
- 3 immobilizer / security
- 2 key & fob
- 1 instrument cluster (IPC)
- 1 steering angle sensor (SAS)
- 6 ADAS module
Infotainment on this platform: NissanConnect. 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 2021 Nissan Altima 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
- 284F1-6CA0A, 284G3-6CA5B, 28438-5FA6A
- ECU / PCM Part Numbers
- 23703-6CA3A, 2019-2025), 23703-5NA1B, 2019-2021)
- BCM / Body Module Part Numbers
- ~284B1-6CA (VERIFY VIA CONSULT), ~285E1-6CA (VERIFY VIA CONSULT)
- TCU / TCM Part Numbers
- 31036
- SRS / Airbag Module Part Numbers
- 98515-6CA8A
- ABS / EBCM Part Numbers
- 47660-6CA0A, L34 6TH GEN ALTIMA
- Instrument Cluster (IPC) Part Numbers
- 24810-6CA0B
- Transmission Control Module (TCM) Part Numbers
- 31036
- Steering Angle Sensor (SAS) Part Numbers
- INTEGRATED (SPIRAL CABLE 25554 FAMILY)
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 2021 Nissan Altima
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.
CONSULT III / IV 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.