What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Manufacturer communications
8Original wording in English
FORD, LINCOLN
Reported code forms U211B U211B:43
Some 2024-2026 F-150, 2025 Explorer/Aviator, 2025-2026 Expedition/Navigator, or 2026 F-Super Duty vehicles may exhibit diagnostic trouble code (DTC) U211B:43:48 stored in the body control module (BCM) when performing a…
FORD, LINCOLN
Reported code forms U211B
After replacement of any TRON module, the gateway module (GWM) and the TRON capable modules can set diagnostic trouble codes (DTCs) U211A, U211B, U211C, U3034, U3035, U3036, U35D9, U35DA and/or U35DB if the secret…
FORD, LINCOLN
Reported code forms U211B
After replacement of any TRON module, the gateway module (GWM) and the TRON capable modules can set diagnostic trouble codes (DTCs) U211A, U211B, U211C, U3034, U3035, U3036, U35D9, U35DA and/or U35DB if the secret…
FORD, LINCOLN
Reported code forms U211B:51
Some 2023-2024 F-Super Duty and 2024 F-150/Nautilus vehicles may set DTC U211B:51 in the telematics control unit (TCU) module after a software update on the TCU is performed at dealer or via over the air (OTA) Update.…
FORD
Reported code forms U211B:87
Some 2023 F-Super Duty vehicles may set diagnostic trouble code (DTC) U211B:87 in various modules when a diagnostic self-test is performed, which includes: powertrain control module (PCM), advanced driver assistance…
FORD
Reported code forms U211B:87
Some 2023 F-Super Duty vehicles equipped with SYNC 4 may experience programming errors after a replacement of the body control module (BCM) for various concerns. After programmable module installation (PMI) of the new…
Check vehicle applicability
4A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.