Vehicle Questions and Answers
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The DTC D900 fault code isn't a real issue and might just be a glitch between the car's computer and dashboard display. It could suggest a problem, but to confirm, you should use an OBD scanner to scan the car. If the scan doesn't show anything, the code is likely a mistake. Restarting the car may clear it, but if it persists, you might need to have the car's computer system updated. While it's important not to ignore it, there's no need to panic. If you see this code and the check engine light isn't on, you're probably fine.
What happens if the error code reappears each time I turn on the engine? Appreciate your help.
In a Ford Focus, the error code DTC D900 indicates a communication issue that will be resolved after several successful vehicle starts.
I've been dealing with this persistent error code for more than two weeks now, and despite numerous attempts and using the car every day, it hasn't gone away.
Could you please provide the fault code A103 for the Ford Focus?
Hello there... Your vehicle requires an OBD scan with a D900 OBD scanner.