What is the reason for the Baojun 730 EPB system failure causing the car not to start?
2 Answers
Baojun 730 EPB system failure is most likely caused by an electronic parking brake malfunction. EPB stands for Electrical Park Brake, which is the electronic parking brake system commonly referred to as the electronic handbrake. Below is additional information: 1. Confirming the fault: Since an electronic handbrake failure could be due to issues with components such as the wheel speed sensor, throttle position sensor, handbrake switch, wheel speed sensor, or motor, any abnormality in these parts might trigger the EPB warning light. Therefore, it is recommended that the owner take the vehicle to a repair shop for inspection. A diagnostic tool can quickly and accurately identify the source of the fault. 2. Technology: The electronic handbrake is a technology that achieves parking braking through electronic control. Its working principle is the same as that of a mechanical handbrake, both relying on the friction generated between the brake disc and brake pads to control parking braking. The only difference is that the control method has changed from a mechanical handbrake lever to an electronic button. 3. Application: The electronic handbrake has evolved from basic parking functions to include the automatic parking function AUTO-HOLD. The application of AUTO-HOLD automatic parking technology allows drivers to avoid prolonged braking when the vehicle is stopped. With the automatic electronic parking brake engaged, unnecessary sliding of the vehicle is prevented, simply put, the vehicle will not roll backward.
I've been pondering this issue for a long time. The EPB system failure preventing the engine from starting is likely because the electronic parking brake didn't release properly, locking the drivetrain. Modern vehicles are equipped with electronic control units that default to disabling ignition for safety when the parking brake isn't disengaged. Common causes include false sensor signals, such as wheel sensors covered in mud/water mistakenly detecting vehicle slippage, or moisture-induced short circuits in control module circuits. I recommend first disconnecting the battery for several minutes to force a system reboot - this might save some repair costs. If that doesn't work, check if the relevant fuses in the fuse box have blown. Whatever you do, don't force-start the engine to avoid damaging electronic control components; it's best to have a professional technician read the fault codes for detailed diagnosis. Regular cleaning of brake system contaminants can prevent such issues and ensure trouble-free driving.
