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.
Narrow by vehicle
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 wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
U2101Control Module Configuration Incompatible
Manufacturer communications
16Original wording in English
LINCOLN
Some 2025 Aviator vehicles equipped with 28 radio speakers (minor feature code IDBBN) may have previously exhibited at least one of the following error messages in Ford Diagnosis and Repair System (FDRS) while programming the audio digital signal processing module (DSP):<br /><br /> * "Procedure Unsuccessful - ReadDTCs DTCs pres…
FORD
Some 2023-2025 F-Super Duty vehicles may display an error during replacement of the SCCM that contains the following message: "Reprogramming has failed, would you like to retry?". If this error is present, the SCCM will not complete PMI and may store diagnostic trouble codes (DTC) U2100 and/or U2101 in the SCCM. This may be due …
FORD
Some 2023 F-150 vehicles equipped with a 3.5L PowerBoost engine may exhibit an illuminated stability-traction control indicator with diagnostic trouble codes (DTCs) U2017:57 and U2101:00 in the ABS module. This may occur immediately after a coordinated module software update to the PCM using the Ford Diagnosis and Repair System …
FORD
Some 2023 Bronco vehicles may exhibit diagnostic trouble code (DTC) U2101 stored in accessory protocol interface module (APIM) and/or telematics control unit (TCU) after TCU module programming with no additional symptoms present. This may be due to the TCU configuration. To correct the concern, download and run the TCU-Telematic…
Check vehicle applicability
74A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Ford | BRONCO ↗ | 2023 |
| Ford | BRONCO SPORT ↗ | 2021 |
| Ford | ECOSPORT ↗ | 2021 |
| Ford | ECOSPORT ↗ | 2020 |
| Ford | ECOSPORT ↗ | 2019 |
| Ford | ECOSPORT ↗ | 2018 |
| Ford | ESCAPE ↗ | 2021 |
| Ford | ESCAPE ↗ | 2020 |
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.