What does c100002 mean when it appears on 12123?

2 Answers
GiselleLee
07/28/25 2:19pm
12123 displaying c100002 may indicate a local data center issue, which is a server problem, or it could be caused by too many users logging in simultaneously, leading to service abnormalities. Here is an extended explanation: Check if there is an issue with the phone itself: First, verify the phone's network status and try logging into other applications to see if they work properly; if the phone's memory is overloaded and its performance is restricted, clear the phone's cache. Check if there is an issue with the software: Log out and then re-register or log in again, or wait for more than 10 minutes before trying again; try logging in with another phone to see if others around you can log in or register successfully.
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VanEmilio
08/11/25 10:27pm
Oh, I see you're asking about the C100002 code appearing on 12123. This is usually a fault alert from the vehicle control system, especially when the system detects sensor or communication issues. As someone who frequently deals with similar faults, I think common causes include communication interruptions in the ECU (Engine Control Unit) or ABS module, possibly due to aging wiring, short circuits, or damage to the module itself. Don't panic—the first step is to check if the fuses are intact or use an OBD scanner to read specific data streams to pinpoint the issue. Leaving such problems unresolved may cause the vehicle to suddenly lose power or brake assistance while driving, posing significant safety risks. I recommend taking it to a professional repair shop as soon as possible. They can use specialized equipment to diagnose and fix the problem—similar cases often require replacing a sensor or reprogramming, with costs ranging from a few hundred to over a thousand yuan depending on the vehicle model. Regularly inspecting the electrical system and connector interfaces during routine maintenance can help prevent such issues.
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