Reference meaning
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.
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A 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.
Scan worksheet →Manufacturer communications
20Original wording in English
FORD, LINCOLN
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 Self-Test. This DTC sets due to an internal BCM timing issue during the self-test process. This specific code h…
LINCOLN
Some 20242026 Nautilus vehicles may have previously exhibited unsuccessful programmable module installation (PMI) starting with a CallGetRestore Invalid hardware error message, when using the Ford Diagnosis and Repair System (FDRS) to program a new door latch control module E (DCME), door latch control module F (DCMF), door latc…
FORD, LINCOLN
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 authentication security keys are not aligned between the modules, a loss of communication is occurring between modul…
FORD, LINCOLN
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 authentication security keys are not aligned between the modules, a loss of communication is occuring between module…
Check vehicle applicability
40A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Ford | BRONCO SPORT ↗ | 2025 |
| Ford | ESCAPE ↗ | 2025 |
| Ford | ESCAPE ↗ | 2024 |
| Ford | EXPEDITION ↗ | 2026 |
| Ford | EXPEDITION ↗ | 2025 |
| Ford | EXPLORER ↗ | 2025 |
| Ford | EXPLORER ↗ | 2024 |
| Ford | F-150 ↗ | 2026 |
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.