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What does 'code' mean in a car in Chinese?

3 Answers
OPeter
07/28/25 11:22pm
In automobiles, 'code' indicates the need for a self-check of indicator lights. Detailed explanations about 'code' are as follows: 1. 'Code' in a car signifies the need for a self-check of indicator lights (fault lights): When the self-check button is pressed, all indicator lights on the dashboard illuminate, indicating that all lights can properly report fault conditions. 2. 'Code' in a car refers to the system of the vehicle's detection chip: If the chip cannot be detected, the dashboard light will come on. When this light is on, the car cannot be started, and multiple ignition attempts may lock the engine, commonly known as engine immobilization. 3. For cars already equipped with an engine immobilizer system: Even if a car thief can open the door, they cannot drive the car away.
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MacJohnny
08/12/25 2:41am
I'm just an ordinary young person who has been driving a small car for a few years. Last winter while driving, the 'code' indicator suddenly lit up on the dashboard, which made me nervous at the time. After checking the manual, I learned that it represents a trouble code - an automatically recorded code when the vehicle's computer detects a problem. For example, P0300 is a common misfire code, indicating an issue with the engine's ignition system. Later, I used an OBD scanner borrowed from a friend and plugged it into the port under the steering wheel to read the code, which showed it was caused by aging spark plugs. After the repair, the car returned to normal. When such codes appear, it's recommended not to force driving as it may cause greater damage, especially on highways where the engine might stall. Regular maintenance like periodically changing spark plugs can prevent many such problems.
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Robin
10/01/25 5:37am
I worked at a community auto repair shop for several years and often heard car owners complain about 'codes' popping up in their vehicles. This refers to diagnostic trouble codes (DTCs), which can be read as specific numeric codes through the OBD-II port using a scanner. For example, P0420 indicates catalytic converter efficiency below threshold, and C1234 signals a brake system anomaly. During diagnostics, we first check these codes to help pinpoint the fault, saving significant troubleshooting time. However, not all codes are serious—minor issues like oxidized wiring can also trigger them, but ignoring them may escalate into engine failure. I recommend car owners carry a basic scanner to self-check codes before professional inspection to avoid being overcharged. Regular electronic system inspections can also reduce the likelihood of code occurrences.
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