What does 'no communication with the ABS pump' in the CS75 mean?
4 Answers
No communication with the ABS pump in the CS75 may indicate that there is no current passing through the ABS pump. Check if there is a fault in the wiring. Below is an introduction to the ABS pump: 1. Content: ABS is an improved technology based on conventional braking systems, which can be divided into mechanical and electronic types. Modern vehicles are widely equipped with anti-lock braking systems (ABS), which not only provide the braking function of conventional systems but also prevent wheel lock-up. 2. Function: It ensures directional stability during braking, preventing skidding and deviation, making it the most advanced and effective braking device in vehicles today.
Recently, my CS75 also experienced an ABS pump communication failure. After troubleshooting, I found it's usually one of three common issues: either the pump connector is loose or the pins are oxidized causing poor contact, or the wiring from the control module to the ABS pump is broken. The worst-case scenario is the module itself failing. Remember to try disconnecting the car's power completely for ten minutes first—sometimes electronic systems act up and a power reset can fix it. If the issue appears suddenly after rain, it's likely due to waterlogged wiring or a short circuit in the connector. Last time at the repair shop, I saw the mechanic using a diagnostic tool to check the fault codes. If it shows a U-series communication fault code, it usually points to power supply, grounding, or CAN bus issues, and you'll need to test each circuit's voltage to pinpoint the problem.
Last week, I helped a fellow car owner troubleshoot an ABS pump communication failure. The key areas to check are fourfold: whether the power fuse is blown (inspect the engine compartment fuse box), if the module grounding wire is loose (check the grounding point behind the left front wheel liner), whether the twisted pair wires are damaged (trace along the engine compartment wiring harness), and finally, the module itself. A reminder to everyone: pay special attention if you've modified the central control screen—interference with the ABS CAN bus signal from aftermarket wiring is common. Here's a money-saving tip: disconnect the negative terminal of the battery, wait 15 minutes, then reconnect it to 'reboot'—half of communication failures may disappear immediately. If that doesn't work, borrow an OBD scanner to read the fault codes. If the codes indicate communication loss, it's advisable not to push your luck and head straight to a repair shop.
As a female car owner, I want to share my personal experience: don't panic when encountering ABS pump communication failure. When the ABS warning light appeared on my dashboard and the steering wheel felt heavy, I first checked the small black box labeled 'ABS' in the engine compartment (located behind the battery). I noticed the connectors were slightly wet, and it turned out to be caused by a cracked fender allowing rainwater to splash in and corrode the plug. For temporary repair, I used WD-40 to spray the connectors and dried them, which restored functionality temporarily. Later, the mechanic advised that a waterproof connector replacement would be needed for long-term solution. Here's a useful tip: listen for the 'hum' sound of the ABS pump during startup - absence of this sound often indicates power supply issues. Pay special attention to the sealing of wire harness connectors during rainy days, as plastic parts aging and leaking are very common in older vehicles.
