U · NetworkNetworkSeverity: LowDriveability: NormalUDS
What U0256 means
U0256:87
Lost Communication With Front Controls Interface Module A — Missing Message
Ford · network
LowData confidence97%
Ford SSM 51578 documents U0256:87 as a BCM self-test history DTC on the 2023 F-Super Duty. When all bulletin criteria are met, it reflects the self-test sequence rather than a confirmed module failure.
Possible causes
Incorrect internal measurement sequence during diagnostic self-test
Recommended checks
Perform a full BCM scan
Confirm that no other BCM DTC is present
Confirm that the MIL is off with the engine running
Confirm that no driveability concern is present
Apply Ford SSM 51578 criteria
Applies toFord F-Super Duty P708 2023Body Control Module (BCM)
Generic SAE-standard code: same meaning on every make.
256
Specific fault index within the subsystem.
Frequently asked questions about U0256
What does U0256 mean?
Lost Communication With Front Controls Interface Module A — Missing Message. Ford SSM 51578 documents U0256:87 as a BCM self-test history DTC on the 2023 F-Super Duty. When all bulletin criteria are met, it reflects the self-test sequence rather than a confirmed module failure.
Is U0256 generic or manufacturer-specific?
U0256 exists both as a generic OBD-II code (same meaning on every make) and with 1 manufacturer-specific interpretation(s): Ford. Always read it in the context of your vehicle.
Can TuningBot remove U0256 at file level?
Not guaranteed. Powertrain (P) codes can be reliably disabled in the ECU calibration, but body, chassis and network codes depend on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether U0256 is removable in your case.
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