Lost Communication With Lighting Control Module Rear B — Missing Message
Ford · network
LowData confidence97%
Ford SSM 51578 documents U0252:87 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.
252
Specific fault index within the subsystem.
Frequently asked questions about U0252
What does U0252 mean?
Lost Communication With Lighting Control Module - Rear B. The control module stopped receiving expected network messages from the Lighting Control Module - Rear B node on the vehicle communication bus.
Is U0252 generic or manufacturer-specific?
U0252 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 U0252 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 U0252 is removable in your case.
ItalianoIT
DeutschDE
EspañolES
PortuguêsPT
FrançaisFR
РусскийRU
Ford