Code Definition

U0415 — Invalid data received from ABS

System: Network Communication  |  Type: Generic (OBD-II Standard)  |  Make: Generic

About U0415

U0415 is a generic (obd-ii standard) network communication diagnostic trouble code. It belongs to the U-prefix family of codes, which covers inter-module network communication (CAN, LIN, FlexRay, or similar) faults.

Scanning & clearing: Network (U) codes report communication faults between modules. When diagnosing U-codes, checking the vehicle's CAN bus integrity, supply/ground at each module, and reading all modules for related faults is usually the first step.

Because U0415 is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

This DTC is set by a receiving control module, commonly the PCM, BCM, or TCM, when it detects invalid or implausible data from the ABS control module over the CAN bus. The data may be corrupt, missing, or outside expected parameters, and fails internal validation checks. The fault typically occurs during or shortly after ignition on, or while the vehicle is in motion, depending on the module and its data validation routines. When this code is set functions that rely on ABS data such as traction control, stability control, or speed based features may be limited, and related warning lights can a...

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