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U0415AudiAudi Q5 HubAll Audi U0415High Severity

U0415 on Audi Q5

Invalid Data Received From Anti-Lock Brake System (ABS) Module

Factory diagnostic protocol and troubleshooting wire for fault code U0415 specifically for the Audi Q5 (2020–2026, 2.0L TFSI Turbo / 3.0L Turbo V6 (SQ5 349HP) / 55 TFSI e PHEV).

Verified OEM Telemetry & Field Repair Tree
Audi Q52020–2026
Audi Q5
SUV2.0L TFSI Turbo / 3.0L Turbo V6 (SQ5 349HP) / 55 TFSI e PHEV
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
Q5 SAE Mode $01
ECU Network Bus
500 kbps CAN-FD
ISO 15765-4 Compliant
Drivability Status
Drivable (Short Trip)
High urgency level
Est. Repair Cost
$120 - $450 (DIY: $30 - $150)
Parts & Labor DIY
Check U0415 On Another Audi Model:
Diagnose U0415 on Specific Q5 Model Year:

1. Symptoms of U0415 on Audi Q5

When the Engine Control Module (ECM/PCM) on your Audi Q5 (2.0L TFSI Turbo / 3.0L Turbo V6 (SQ5 349HP) / 55 TFSI e PHEV) logs fault code U0415, drivers commonly observe:

Traction Control, ABS, and 4WD warning lights on on Audi Q5 (2.0L TFSI Turbo / 3.0L Turbo V6 (SQ5 349HP) / 55 TFSI e PHEV)
Cruise control inoperative on Audi Q5 (2.0L TFSI Turbo / 3.0L Turbo V6 (SQ5 349HP) / 55 TFSI e PHEV)
Speedometer erratic on Audi Q5 (2.0L TFSI Turbo / 3.0L Turbo V6 (SQ5 349HP) / 55 TFSI e PHEV)
Audi Q5 OBD-II Port Location
The 16-pin diagnostic connector is located Left side under driver steering column. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Audi Q5

Historical warranty claims and technical repair bulletins for Audi Q5 point to the following failure distribution:

55%
Faulty wheel speed sensor reporting invalid speed data to the ABS module (Audi OEM Part)
25%
Corroded ABS module wiring (Audi OEM Part)
12%
Mismatched tire sizes confusing wheel speed calculation (Audi OEM Part)
* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for Audi Q5.

3. Step-by-Step DIY Repair Guide for Audi Q5

01
Scan ABS Module for Wheel Speed Faults

Check ABS module for wheel speed codes (C0035, C0040, etc.). on the Audi Q5 equipped with 2.0L TFSI Turbo / 3.0L Turbo V6 (SQ5 349HP) / 55 TFSI e PHEV.

Required Tool: ABS Scanner
02
Check Tire Sizes and Pressures

Ensure all 4 tires are identical size and correctly inflated. on the Audi Q5 equipped with 2.0L TFSI Turbo / 3.0L Turbo V6 (SQ5 349HP) / 55 TFSI e PHEV.

Required Tool: Tire Gauge
03
Repair Root ABS Wheel Speed Sensor

Replace damaged wheel speed sensor and clean tone ring. on the Audi Q5 equipped with 2.0L TFSI Turbo / 3.0L Turbo V6 (SQ5 349HP) / 55 TFSI e PHEV.

Required Tool: Socket Set
04
Clear All System Codes

Clear codes across PCM, ABS, and 4WD modules. on the Audi Q5 equipped with 2.0L TFSI Turbo / 3.0L Turbo V6 (SQ5 349HP) / 55 TFSI e PHEV.

Required Tool: OBD-II Scanner
Recommended Parts & Testing Tools

Equipment for Diagnosing Audi Q5 (U0415)

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Direct-Fit Replacement Part

Audi Q5 OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for Audi Q5.

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Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

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Top Mobile OBD-II Scanner

BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

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Other Common Fault Codes on Audi Q5

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Audi Q5:

4. Audi Q5 U0415 FAQs

What causes code U0415 to trigger on a Audi Q5?

On the Audi Q5 (2.0L TFSI Turbo / 3.0L Turbo V6 (SQ5 349HP) / 55 TFSI e PHEV), U0415 is most frequently caused by Faulty wheel speed sensor reporting invalid speed data to the ABS module or Corroded ABS module wiring.

Where is the OBD-II port located on my Audi Q5?

On the Audi Q5, the 16-pin DLC diagnostic connector is located Left side under driver steering column. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Audi Q5 with code U0415?

Caution. Electronic Stability, Traction Control, and 4WD may be disabled. Given that U0415 carries a High severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.