VIN / Build Split
VIN pos 4-6 identifies model. Audi WMI: WAU, WA1, WAG. Position 4-6 = model code. Position 10 = model year code.
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2018 Audi A4 Supported Services
2018 Audi A4
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 MLB-Evo-B9
- CAN Architecture CAN (powertrain + chassis); FlexRay (zFAS on equipped builds); MOST150 (infotainment); LIN (body); LVDS (Virtual Cockpit)
- Security Audi Kessy Gen 4 AES + ZAS (J518); ODIS + factory authorization required; no OBD pin extraction
What do you need fixed?
Choose a service to start your quote.
OVERVIEW
Expert ADAS calibration, module programming, and diagnostic recovery for the 2018 Audi A4. On this vehicle we cover documented systems include Pre Sense Front / AEB, Active Lane Assist, and Adaptive Cruise Control (ACC) with Stop & Go, this MLB-Evo-B9 platform vehicle, Kessy Gen 4 (AES) / ZAS J518 immobilizer support. Mobile across the DFW Metroplex; mail-in module service is available nationwide.
Platform
MLB-Evo-B9
Production
2009-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
CAN (powertrain + chassis); FlexRay (zFAS on equipped builds); MOST150 (infotainment); LIN (body); LVDS (Virtual Cockpit)
YEAR-SPECIFIC NOTES
Exact-year service summary for 2018 Audi A4
ADAS coverage
This 2018 Audi A4 page documents 5 ADAS systems, including Pre Sense Front / AEB, Active Lane Assist, Adaptive Cruise Control (ACC) with Stop & Go, and Blind Spot Detection / Side Assist.
View ADAS dataCalibration triggers
Documented calibration triggers include Windshield Replacement, Front Bumper Repair or Replacement, Rear Bumper Repair or Replacement, and Any Collision. 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 5 gateway, immobilizer, or key-security records for this 2018 Audi A4.
View securityCore Auto Logic capability
Core Auto Logic supports exact-year diagnostics, ADAS calibration, module programming, and security-access planning for the 2018 Audi A4 using the documented systems and module data on this page.
Choose a sectionWhat changes on this exact year
Feature availability
Audi Pre Sense Front, Active Lane Assist, Adaptive Cruise Control with Stop & Go - Available; Platform: MLB-Evo-B9 - Confirmed
Driver-assist suite
Audi Pre Sense Front, Active Lane Assist, Adaptive Cruise Control with Stop & Go, Blind Spot Detection Side Assist (optional), Park Assist
VIN and build split
VIN pos 4-6 identifies model. Audi WMI: WAU, WA1, WAG. Position 4-6 = model code. Position 10 = model year code.
Infotainment context
MMI Navigation Plus (MIB2); Virtual Cockpit 12.3-inch TFT
Network and access
CAN: CAN (powertrain + chassis); FlexRay (zFAS on equipped builds); MOST150 (infotainment); LIN (body); LVDS (Virtual Cockpit)
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
VW ODIS-S / ODIS-E / Audi VAS 6154
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 2018 Audi A4. 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
3 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 tabGateway / Security Access
3 modules documented
Secure gateway module identification, bypass workflow and security-access planning before programming.
Open Security tabTCU / Transmission
4 modules documented
Transmission control module reprogramming, adaptive learning reset and replacement TCM clone.
Open Modules tabSRS / Airbag Reset
2 modules 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
2 modules documented
Instrument cluster cloning, steering angle sensor calibration and other supporting modules.
Open Modules tabConnectivity & Accessories
3 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
Audi Pre Sense Front, Active Lane Assist, Adaptive Cruise Control with Stop & Go
AvailableCalibration required after windshield replacement, camera/radar service, or structural repair affecting sensor alignment.
Platform: MLB-Evo-B9
ConfirmedVerify platform code matches when cross-referencing part numbers across model years.
WHAT WE RESOLVE
Common issues on this vehicle
Common Audi A4 issues we resolve on this platform: Pre Sense Front / AEB, Active Lane Assist, Adaptive Cruise Control (ACC) with Stop & Go, and Blind Spot Detection / Side Assist recalibration after windshield/bumper/suspension/CCM service. Module programming for replacement ECU/PCM, BCM, TCU, or accessory modules - MLB-Evo-B9 platform uses CAN (powertrain + chassis); FlexRay (zFAS on equipped builds); MOST150 (infotainment); LIN (body); LVDS (Virtual Cockpit).
ADAS CALIBRATION MATRIX
ADAS systems on this vehicle
Audi Pre Sense Front, Active Lane Assist, Adaptive Cruise Control with Stop & Go, Blind Spot Detection Side Assist (optional), Park Assist
Scroll for part numbers and Details
| System | Type | Category | Cal. Type | Supported | Part # | Actions |
|---|---|---|---|---|---|---|
| Pre Sense Front / AEB | Front Camera + Radar Fusion | Fused | Static | YES | 8W0-907-107-B | |
| Active Lane Assist | Forward Camera | Camera | Static | YES | 8W0-907-217-A | |
| Adaptive Cruise Control (ACC) with Stop & Go | Front Radar | Radar | Static | YES | 8W0-907-561-A | |
| Blind Spot Detection / Side Assist | Side Radar | Radar | Static + Dynamic | YES | 8W6-907-541-A (L), 8W6-907-542-A (R) | |
| Park Distance Control (PDC) | Ultrasonic | Ultrasonic | 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 Affected: Front Camera, Pre Sense Front, AEB, Active Lane Assist, zFAS sensor fusion
ODIS static target-based calibration required after windshield R&R. ODIS work order required first, SVM coding applied after calibration pass. OEM-equivalent glass only.
Front Bumper Repair or Replacement Affected: Front Radar (ACC, Pre Sense, AEB), front park sensors
Front 77GHz radar static calibration via ODIS. Inspect radar bracket. Park sensor ODIS adaptation if sensors replaced.
Rear Bumper Repair or Replacement Affected: BSD Side Assist (if equipped), Rear Cross Traffic Alert, rear park sensors
Rear corner side radar ODIS calibration if displaced or replaced. Park sensor adaptation via ODIS.
Any Collision Affected: J234 SRS, zFAS ADAS, front radar, front camera, side impact sensors, all deployed components
Full ODIS scan mandatory. J234 likely replace-only - confirm via ODIS. All deployed airbags and pretensioners replaced. ADAS recalibration after structural or bumper repair. SVM coding on all replaced modules.
Any Module Replacement Affected: All ODIS-coded modules
ODIS SVM coding required. Factory auth for J519, ECM, J518, AKL. Battery SOC >80% before programming.
Forward Radar Replacement
Radar module replacement requires alignment/calibration using ODIS-S.
BSM Sensor Replacement
Blind spot monitoring sensor replacement requires calibration using ODIS-S.
Mirror Replacement
If BSD sensor is mirror-integrated, recalibration required. Verify sensor location; use ODIS-S if applicable.
SRS Modules
Airbag Control Unit (ACU) 8W0-959-655
- Part number
- 8W0-959-655
- Location
- Under center console
- Manufacturer
- Continental
- Chip / MCU
- 95128
- Notes
- Requires VCDS or ODIS for coding and adaptation. Gateway access control may require online login. Battery disconnect 90 seconds before removal.
Airbag Control Unit (ACU) 8W0-959-655-F
- Part number
- 8W0-959-655-F
- Location
- Under center console
- Manufacturer
- Continental
- Chip / MCU
- 95128
- Notes
- Requires VCDS or ODIS for coding and adaptation. Gateway access control may require online login. Battery disconnect 90 seconds before removal.
ECU Modules
ECM - 2.0L EA888 Gen3b TFSI (45 TFSI / 40 TFSI) 8W0-906-259-X
- Part number
- 8W0-906-259-X
- Protocol / method
- ODIS SVM
- Coding required
- Yes
- Cloning supported
- No
- Chip / MCU
- Bosch MED17.1.6
- Notes
- ODIS-E + factory authorization required. SVM adaptation mandatory - ECM receives online SVM token from Audi server during coding. No standalone flash tools compatible. Audi Genuine Parts or authorized remanufactured ECM only. Verify part suffix via ODIS VIN and engine code before ordering. Battery SOC must be above 80% before starting programming session. Immobilizer synchronization performed automatically via ODIS after ECM coding.
TCM - 7-speed S tronic (DL382 / 0CL) 0CL-927-769-X
- Part number
- 0CL-927-769-X
- Protocol / method
- ODIS SVM
- Coding required
- Yes
- Cloning supported
- No
- Chip / MCU
- Continental / Getrag TCM
- Notes
- ODIS SVM required. S tronic adaptation (clutch fill volumes, shift pressure) must be performed after TCM replacement via ODIS adaptation channels. No standalone tools capable. Verify FWD vs quattro application before ordering.
TCM - 8-speed Tiptronic (ZF 8HP)
- Protocol / method
- ODIS SVM
- Coding required
- Yes
- Cloning supported
- No
- Chip / MCU
- ZF / Continental TCM
- Notes
- ODIS SVM required. ZF 8HP TCM adaptation required after replacement. Quattro models only. Verify part suffix via ODIS VIN.
BCM Modules
Central Electronic Module (J519 / BCM) 8W0-937-086-X
- Part number
- 8W0-937-086-X
- Security
- AES Immobilizer
- Coding required
- Yes
- Cloning supported
- No
- Notes
- J519 CEM contains gateway and immobilizer coordination. ODIS SVM mandatory. Factory authorization required. New J519 coded to VIN via ODIS. Aftermarket tools incompatible.
J518 Access and Start Authorization Module (Kessy / ZAS) 8W0-909-131-X
- Part number
- 8W0-909-131-X
- Security
- AES KESSY Gen 4
- Coding required
- Yes
- Cloning supported
- No
- Notes
- Integrates Kessy Gen 4 and ZAS steering column lock. Replacement requires ODIS factory authorization. All key data must be re-programmed after J518 replacement. AKL requires Audi dealer security authorization. Aftermarket tools incompatible.
TCU / TCM Transmission Modules
TCU - 0D9 7-Speed S Tronic 8W0927156
- Part number
- 8W0927156
- Protocol / method
- J2534
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Continental TC1797
- Notes
- VAS 5054A/ODIS required for coding. ATF G 052 529 A2. Basic setting and adaptation after install.
TCU - 0B5 7-Speed S Tronic 8W0927156
- Part number
- 8W0927156
- Protocol / method
- J2534
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Continental TC1797
- Notes
- VAS 5054A/ODIS required for coding. ATF G 052 529 A2. Clutch learn procedure mandatory.
TCU - 09L CVT Multitronic 8W0927156
- Part number
- 8W0927156
- Protocol / method
- J2534
- Coding required
- Yes
- Cloning supported
- No
- Chip / MCU
- Continental TC1797
- Notes
- Original TCU required. CVT fluid G 052 180 A2. Complex adaptation procedure with VCDS/ODIS.
TCU - 0AW Tiptronic 8-Speed 8W0927156
- Part number
- 8W0927156
- Protocol / method
- J2534
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- ZF TC1797
- Notes
- ZF 8HP transmission. ATF ZF LifeGuard 8. Requires shift pattern adaptation and torque converter learn.
ABS / Brake Modules
ABS/ESC Module (Bosch MK C1) 8W0-614-517-B
- Part number
- 8W0-614-517-B
- Cloning supported
- No
- Notes
- Bosch MK C1 ESC/ABS on B9 A4. ODIS required for adaptation and coding after replacement. Automated ODIS brake bleed cycle mandatory after module replacement. Verify suffix via ODIS VIN. No aftermarket tool support.
Other Modules (IPC, SAS)
Instrument Panel Cluster (IPC) 8W0 920 750 A
- Part number
- 8W0 920 750 A
- 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 (J527 clock spring/coil)
Connectivity & Accessories
Virtual Cockpit (J285 Digital Cluster) 8W0-920
- Part number
- 8W0-920
- Notes
- ODIS SVM coding required. VIN-coded. 12.3-inch TFT display.
Audi Phone Box 8W0-035-564-X
- Part number
- 8W0-035-564-X
- Notes
- ODIS coding required if replaced.
Gateway / Security Modules
Central Gateway Module
- Manufacturer
- STMicroelectronics
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- ST10F269
- Notes
- AMP Notes: Read/Write
Central Gateway Module
- Manufacturer
- Renesas
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- D70F3380
- Notes
- Compatibility label: A4/A5/Q5. BCM Notes: Read/Write
Central Gateway Module
- Manufacturer
- Renesas
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- D70F3548 2018
- Notes
- Compatibility label: A4L. Headlight modules Notes: Read/Write
ARCHITECTURE & CONNECTIVITY
Architecture & Connectivity
- Body Construction
- MLB Evo unibody; steel and aluminum composite; B9 pre-facelift (2017-2019)
- OBD Protocol
- ISO 15765-4 CAN; UDS (ISO 14229); ODIS SVM extensions
- CAN Architecture
- CAN (powertrain + chassis); FlexRay (zFAS on equipped builds); MOST150 (infotainment); LIN (body); LVDS (Virtual Cockpit)
- Infotainment
- MMI Navigation Plus (MIB2); Virtual Cockpit 12.3-inch TFT
- OTA Capable
- No
- ECU/TCM Unlocking
- Contact us
- ECU/TCM Flashing
- Confirmed
Reviewed coverage: 2018 - 1.4L TFSI (CVNA), 2.0 TFSI g-tron, 2.0L 35 TDI CR (DEUA), 2.0L 35TFSI 16v MHEV (DMSB), 2.0L 40 TDI CR (DETA), 2.0L 40 TDI CR (DTPA), 2.0L 40 TFSI (DEMA), 2.0L 40 TFSI (DKNA), 2.0L 45 TFSI MHEV (DMTA), 2.0L MHEV (40 TFSI), 2.0L TDI (190) (CNHA), 2.0L TDI (DET), 2.0L TDI CR (DEUA), 2.0L TFSI (CVKB), 2.0L TFSI (CYRB), 2.0L TFSI quattro (CPMB), 2.0L TFSI quattro flexible fuel (CPMB), 2.0L TFSI ultra, 3.0L 45 TDI CR (DCPC), 3.0L 45 TDI CR (DDVE), 3.0L 45 TDI CR (DEND), 3.0L TDI (CSWB), 3.0L TDI CR (CRTC), 3.0L V6 50TDI 24v (DHXA), 30 TDI (2.0), 35 TDI (2.0), 35 TFSI (1.5), 35 TFSI (2.0), 40 TDI (2.0), 40 TFSI (2.0), 40 TFSI g-tron, 45 TDI (3.0), 45 TFSI (2.0), 45 TFSI (2.0) MHEV, 50 TDI (3.0).
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 Audi A4?
ADAS calibration pricing for a 2018 Audi A4 depends on which of its 5 documented systems need work after a repair. This vehicle is documented with Pre Sense Front / AEB, Active Lane Assist, Adaptive Cruise Control (ACC) with Stop & Go, Blind Spot Detection / Side Assist, and Park Distance Control (PDC). 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 Audi A4?
Yes. The 2018 Audi A4 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: 8W0-959-655. 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 Audi A4?
After windshield replacement on a 2018 Audi A4, Pre Sense Front / AEB and Active Lane Assist 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 Audi A4 module service take?
Most 2018 Audi A4 onsite jobs are typically scheduled within 24-48 hours once vehicle readiness, access, and route timing are confirmed. This vehicle has roughly 19 programmable modules documented in our database (3 ECU, 2 BCM, 4 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 Audi A4 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 Audi A4. Do not ship a module unless support confirms next steps.
What kind of warranty do you offer on 2018 Audi A4 programming?
Every programming, cloning, and calibration job on the 2018 Audi A4 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 Audi A4 can you actually service?
We program, clone, repair, or replace the full programmable-module stack on a 2018 Audi A4. For this vehicle our database documents:
- 3 engine control (ECU/PCM)
- 4 transmission control (TCU/TCM)
- 2 body control (BCM and related)
- 1 ABS / brake control (EBCM)
- 1 immobilizer / security
- 1 key & fob
- 1 instrument cluster (IPC)
- 1 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 Audi A4 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
- 8W0 907 107 A
- ECU / PCM Part Numbers
- 8W0 907 115 C, 8W0 907 115 D
- BCM / Body Module Part Numbers
- 8W0-937-086-X, 8W0-909-131-X
- TCU / TCM Part Numbers
- 8W0927156
- SRS / Airbag Module Part Numbers
- 8W0-959-655, 8W0-959-655-F
- ABS / EBCM Part Numbers
- 8W0 614 517 C
- Instrument Cluster (IPC) Part Numbers
- 8W0 920 750 A
- Transmission Control Module (TCM) Part Numbers
- 8W0927156
- Steering Angle Sensor (SAS) Part Numbers
- INTEGRATED (J527 CLOCK SPRING
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 Audi A4
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.
ODIS-S 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.