Code Definition

U3002 (62) — Vehicle Identification Number (VIN) Signal Compare Failure

System: Network Communication  |  Type: Manufacturer-Specific  |  Make: Ford

About U3002

U3002 is a manufacturer-specific network communication diagnostic trouble code recorded for Ford vehicles. 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.

U3002 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

DTC U3002 is a manufacturer specific code set when a control module compares the Vehicle Identification Number received over the CAN bus against its internally stored VIN, or against the VIN held by another module, and detects a mismatch. During initialisation or security validation, modules cross check the VIN to confirm vehicle identity, and this fault logs when the VIN data does not match, indicating a configuration or data integrity issue rather than a communication failure. It most often appears after a module is replaced or reprogrammed without writing the correct VIN. Symptoms can inclu...

Join TaT to view the complete code information and diagnostic details.

Quick Facts