Code Definition

U2064 — Warning Indicator Requested by Another Control Module

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

About U2064

U2064 is a generic (obd-ii standard) 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.

Because U2064 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

DTC U2064 is a manufacturer specific network code set when a control module receives a request over the CAN bus from another networked module to illuminate or activate a warning indicator, message, or chime. The code indicates the receiving module is working correctly and responding to a valid request, but another control module has detected a fault condition that requires driver notification. U2064 is therefore an informational pointer rather than a direct fault within the receiving module. The real fault, and the codes that explain it, live in the module that requested the warning, so a full...

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