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
16Original wording in English
VOLVO
This is a Technical Journal: DTC ASDM-U230055 after software download. It will be cleared automatically after two driving cycles.
FORD
Some 2013-2016 Escape vehicles may exhibit an ABS warning indicator with diagnostic trouble code (DTC) U2300 after the ABS module is replaced.
LINCOLN
Some 2024 Nautilus vehicles may exhibit diagnostic trouble code (DTC) U2300:29 in the power steering control module (PSCM) when a diagnostic self-test is performed. This may be due to an internal counter reaching a specified timeframe. The history state DTC U2300:29 has no effect on functionality. Replacement or reprogramming of…
VOLVO
Ghost DTC set, VCU1-U230056
Check vehicle applicability
46A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
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.