What are the reasons for the failure to start due to the PEPS malfunction in BAIC Huansu?
3 Answers
Here are the reasons for the failure to start due to the PEPS malfunction in BAIC Huansu: 1. Relay: The failure to start is caused by poor operation of the fuel pump relay. 2. Fuel pump: The failure to start is caused by poor operation of the fuel pump. 3. Fuel level: The failure to start is due to insufficient fuel level. Below are extended materials related to fault detection: 1. Detection of the fuel pump relay: When you turn the key switch, you will hear a "click" sound, indicating that the relay is working normally. If there is continuous "clicking" sound, check whether the ground wire is loose. If the relay is determined to be damaged, you can swap the lighting relay with the fuel pump relay. Drive to the repair shop and buy a new relay. 2. Detection of the fuel pump: Generally, a fuel pressure gauge is used for inspection, as it is for self-troubleshooting.
I once encountered a similar PEPS (Passive Entry Passive Start) fault on a BAIC Huansu that prevented the car from starting. Generally, the most common cause is a dead battery in the key fob—when the battery is low, the system simply can't detect the signal. Another possibility is strong signal interference in the surrounding environment, such as parking near tall buildings or large equipment, which can disrupt the induction module. Sometimes, the PEPS system's module itself malfunctions and requires reprogramming or part replacement. My suggestion is to first try replacing the battery. If that doesn’t work, move the car to a different location to eliminate interference, or disconnect and restart the vehicle’s system. If the issue persists, it’s best to have it checked by a professional shop to avoid delays that could affect daily use. Battery replacement is cheap and simple—don’t skimp on this small expense.
I encountered a PEPS issue with my BAIC Huansu where the car wouldn't start. It turned out the key fob battery had aged and wasn't replaced in time, preventing signal transmission. It could also be due to a weak vehicle battery causing insufficient power supply, making the PEPS module malfunction. Try placing the key close to the start button to see if it can be detected—sometimes minor adjustments can fix it. I always remember to regularly check these details to avoid problems. When the car won't start, avoid repeatedly attempting to restart, as it might blow a fuse and make repairs harder. Address the issue promptly to avoid being stranded in dangerous situations.
