What does the car dashboard code mean?

2 Answers
LeGia
07/24/25 5:12am
The car dashboard code alerts the driver that the engine cooling system is low on antifreeze and needs to be replenished. The specific steps to add antifreeze to the car are: 1. Open the driver's door of the car; 2. Pull the car's hood release lever; 3. Lift the car's engine hood; 4. Slowly unscrew the cap of the car's coolant reservoir to release the internal high-pressure gas; 5. Add antifreeze to the car's coolant reservoir up to the MAX mark. The car code is for detecting the car's chip. If the chip is not detected, the dashboard light will illuminate. When this light is on, the car cannot be started. Attempting to start the engine multiple times may lock the engine, commonly known as engine immobilizer.
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SkylarLee
08/11/25 12:54am
Seeing the word 'code' on the car dashboard, as someone who has driven for over a decade, I've encountered this situation several times. It usually refers to diagnostic trouble codes (DTCs), indicating issues with the engine management system or emission system. Common codes include P, C, B, and U codes. For example, P0171 might signify an air-fuel ratio imbalance, meaning either too much or too little air intake, leading to unqualified exhaust emissions. This often stems from dirty sensors or clogged fuel lines—never ignore it! If the code persists, the car may start shaking, consuming more fuel, and in severe cases, even stall or damage the engine. It's best to immediately use an OBD scanner plugged into the port to read the specific code or drive straight to a professional shop to check sensors and spark plugs. Addressing it promptly prevents minor issues from escalating. Additionally, some codes that flash briefly might be false alarms, but if the light stays on long-term, take it seriously—safety first!
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