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.
U101100supply voltage too low
Manufacturer communications
13Original wording in English
FORD
This article supersedes TSB 21-2245 to update labor times from M-time to AP-time and add a cap. Some of the vehicles listed in the Model statement above may exhibit at least one of the following conditions: * "Stop Safely Now" message in the instrument panel cluster (IPC) * Illuminated powertrain malfunction (wrench) indicator w…
AUDI
This TSB provides information when the 12V battery is discharged/drive system not activated/keyless opening is inoperatble; DTCs U101100, B1802F1, U140A00, U140000, B10CD00.
AUDI
This TSB provides information when the 12V battery is discharged/drive system not activated/keyless opening is inoperatble; DTCs U101100, B1802F1, U140A00, U140000, B10CD00.
BENTLEY
Customer statement: Drivers Information panel (DIP) goes blank -Once blank no information is visible within the DIP -No error messages are shown within the DIP Workshop findings: DTC U101100 evident within address 09 - DIP Unrecoverable due to low voltage
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 |
|---|---|---|
| Audi | A4 ↗ | 2013 |
| Audi | A4 ↗ | 2010 |
| Audi | A4 ↗ | 2009 |
| Audi | A4 ALLROAD ↗ | 2014 |
| Audi | A4 ALLROAD ↗ | 2013 |
| Audi | A4 AVANT ↗ | 2012 |
| Audi | A4 AVANT ↗ | 2011 |
| Audi | A5 ↗ | 2014 |
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
SCP (J1850) Invalid or Missing Data for Engine Air Intake
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.