MazicBay Diagnostics
MAZICBAYDiagnostics
FTC Reader Disclosure: When you purchase or register through links on our site, we may earn an affiliate commission at no extra cost to you. Read our Editorial & Advertising Policy.

U0415 on RAM ProMaster

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

Factory diagnostic protocol and troubleshooting wire for fault code U0415 specifically for the RAM ProMaster (2020–2026, 3.6L Pentastar V6 (280HP) / 3.0L EcoDiesel (174HP)).

Verified OEM Telemetry & Field Repair Tree
RAM ProMaster2020–2026
RAM ProMaster
Van3.6L Pentastar V6 (280HP) / 3.0L EcoDiesel (174HP)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
ProMaster 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 RAM Model:
Diagnose U0415 on Specific ProMaster Model Year:

1. Symptoms of U0415 on RAM ProMaster

When the Engine Control Module (ECM/PCM) on your RAM ProMaster (3.6L Pentastar V6 (280HP) / 3.0L EcoDiesel (174HP)) logs fault code U0415, drivers commonly observe:

Traction Control, ABS, and 4WD warning lights on on RAM ProMaster (3.6L Pentastar V6 (280HP) / 3.0L EcoDiesel (174HP))
Cruise control inoperative on RAM ProMaster (3.6L Pentastar V6 (280HP) / 3.0L EcoDiesel (174HP))
Speedometer erratic on RAM ProMaster (3.6L Pentastar V6 (280HP) / 3.0L EcoDiesel (174HP))
RAM ProMaster OBD-II Port Location
The 16-pin diagnostic connector is located Driver side lower dash panel near hood release. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on RAM ProMaster

Historical warranty claims and technical repair bulletins for RAM ProMaster point to the following failure distribution:

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

3. Step-by-Step DIY Repair Guide for RAM ProMaster

01
Scan ABS Module for Wheel Speed Faults

Check ABS module for wheel speed codes (C0035, C0040, etc.). on the RAM ProMaster equipped with 3.6L Pentastar V6 (280HP) / 3.0L EcoDiesel (174HP).

Required Tool: ABS Scanner
02
Check Tire Sizes and Pressures

Ensure all 4 tires are identical size and correctly inflated. on the RAM ProMaster equipped with 3.6L Pentastar V6 (280HP) / 3.0L EcoDiesel (174HP).

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

Replace damaged wheel speed sensor and clean tone ring. on the RAM ProMaster equipped with 3.6L Pentastar V6 (280HP) / 3.0L EcoDiesel (174HP).

Required Tool: Socket Set
04
Clear All System Codes

Clear codes across PCM, ABS, and 4WD modules. on the RAM ProMaster equipped with 3.6L Pentastar V6 (280HP) / 3.0L EcoDiesel (174HP).

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

Equipment for Diagnosing RAM ProMaster (U0415)

Prime Fast Delivery & Verified Fitment
Direct-Fit Replacement Part

RAM ProMaster OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for RAM ProMaster.

$45 – $95 Prime
Check Fitment on Amazon
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.

$29.99 Prime
View on Amazon
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.

Compare OEM & Aftermarket Replacement Sensors for RAM ProMasterVerified direct-fit pricing from Denso, Bosch, Motorcraft, and ACDelco on Amazon.
Find Parts on Amazon
* As an Amazon Associate, MazicBay earns from qualifying purchases. Prices & availability subject to change.

Other Common Fault Codes on RAM ProMaster

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the RAM ProMaster:

4. RAM ProMaster U0415 FAQs

What causes code U0415 to trigger on a RAM ProMaster?

On the RAM ProMaster (3.6L Pentastar V6 (280HP) / 3.0L EcoDiesel (174HP)), 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 RAM ProMaster?

On the RAM ProMaster, the 16-pin DLC diagnostic connector is located Driver side lower dash panel near hood release. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my RAM ProMaster 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.