Code Definition

U1282 — Lost Communication With MICU

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

About U1282

U1282 is a manufacturer-specific network communication diagnostic trouble code recorded for Honda 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.

U1282 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

The Body Control Module and other body related control units communicate with the Multiplex Integrated Control Unit (MICU) over the body multiplex network on Honda vehicles. The MICU acts as a body electrical hub, managing and relaying functions such as exterior and interior lighting, wipers, door locks, and accessory power. DTC U1282 is set when the BCM or network master receives no valid messages from the MICU for a calibrated period, indicating the MICU is offline or the body network has been interrupted. With the MICU not communicating, the driver may notice several unrelated body electric...

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