In cases where the hydraulic control unit has failed, it will need to be replaced. Wiring Repairĭamaged wiring may require repair or replacement to restore proper ABS functionality.Įnsure that any exposed wiring is protected from the elements and potential damage. Ensure that the new sensor is compatible with your vehicle’s ABS and installed correctly. If a sensor is contaminated or damaged, it will need to be replaced. Common repairs include: Sensor Replacement Repairing ABS MalfunctionsĪfter identifying the cause of the antilock brake system malfunction, proceed with the necessary repairs. Once a fault is established, the repair process becomes much easier. Most reputable repair shops will have one, and the scan tool can produce fault codes that help pinpoint the problem. If you cannot find a physical reason for your ABS issues, using an ABS scan tool can be invaluable. Look for metal shavings and other debris that could cause false feedback to the ABS controller.Īlso, check for damaged or corroded wiring that may result in intermittent or no continuity. Start by physically inspecting all wiring and brake sensors. If you have a malfunction in the ABS, follow these steps to troubleshoot the issue: Physical Inspection Troubleshooting Antilock Brake System Malfunctions In more corrosive environments or cases of severe brake system neglect, brake fluid can become contaminated, and the hydraulic control unit may fail to function. Sensor wiring can also become damaged, resulting in intermittent or no continuity. This contamination can cause false feedback to the ABS controller, leading to unintended ABS activation or failure to function when necessary. The most common ABS problems occur when sensors become contaminated with debris or metal shavings. However, most ABS problems are caused by one or more sensors or the wiring to the sensors becoming damaged or contaminated. If an antilock brake system malfunction occurs, the ABS control module is designed to notify the driver with a warning light. How Long Can You Drive with ABS Light On?.Risks of Driving with a Malfunctioning ABS.Troubleshooting Antilock Brake System Malfunctions.
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