Sometimes the sensors are fine, but the wire connecting the ABS module to the rest of the car is damaged. On Renaults like the , the wiring loom near the ABS pump is known to chafe against the metal of the wheel arch.
| Cause | Solution | |--------|----------| | Loose/corroded connector | Clean with contact cleaner, resecure. Use dielectric grease on terminals (sparingly). | | Broken wire | Repair with soldering + heat shrink (do not use twist connectors in airbag circuits). | | Faulty clock spring | Replace clock spring (requires steering wheel removal). | | High resistance in pretensioner | Replace seatbelt pretensioner (part of seatbelt assembly). | | Passenger airbag connector | Check under dash or glovebox area. | renault b1318