| Documento de origen | Controlador | Pares de fallo |
|---|---|---|
| MM0112 ABS/ESC E-version maintenance manual (05.2020) | ABS/ESC | 113 |
| MM1719 mBSP ABS/ESC maintenance manual (08.2018) | ABS/ESC | 448 |
| Sistema | Pares de fallo |
|---|---|
| Brakes/ABS | 437 |
| Electrical | 105 |
| Engine | 10 |
| Network | 8 |
| Instrument | 1 |
| Familia de fallas | Pares de fallo |
|---|---|
| Wheel-Speed Signal Erratic / Implausible | 141 |
| ECU EEPROM Parameter Group Checksum Fault | 72 |
| Wheel-Speed Sensor Circuit Fault | 61 |
| Configurable Auxiliary Output Solenoid Circuit | 46 |
| ESC Internal Safety-Monitor Cross-Check Fault | 43 |
| ABS Pressure Modulator Valve Solenoid | 34 |
| Yaw Rate / Lateral / Longitudinal Accelerometer Sensor | 27 |
| Wheel-Speed Sensor Air Gap / Wheel-End | 23 |
| Steering Angle Sensor (SAS) Circuit | 18 |
| ABS Modulator Valve Thermal Protection | 14 |
| FMI | Significado | Pares de fallo |
|---|---|---|
| 0 | Reading in-range but far too high | 15 |
| 1 | Reading in-range but far too low | 19 |
| 2 | Signal unstable, intermittent or implausible | 37 |
| 3 | Circuit voltage high / short to supply | 45 |
| 4 | Circuit voltage low / short to ground | 41 |
| 5 | Current too low; open circuit | 40 |
| 6 | Current too high; short to ground | 20 |
| 7 | Mechanical part not reacting or misadjusted | 38 |
| 8 | Wrong frequency, pulse width or period | 20 |
| 9 | Message not arriving at expected rate | 32 |
| 10 | Value changing implausibly fast or slow | 28 |
| 11 | Fault detected, cause undetermined | 17 |
| 12 | Smart device or component defective | 22 |
| 13 | Calibration data outside limits | 53 |
| 14 | See manufacturer-specific instructions | 34 |
| 15 | Slightly above normal range | 10 |
| 16 | Moderately above normal range | 2 |
| 17 | Slightly below normal range | 5 |
| 18 | Moderately below normal range | 4 |
| 19 | Network-received value flagged as error | 6 |
| 20 | Value has drifted upward over time | 3 |
| 21 | Value has drifted downward over time | 2 |
| 22 | Reserved by SAE; some OEMs assign proprietary meanings | 23 |
| 23 | Reserved by SAE; some OEMs assign proprietary meanings | 8 |
| 24 | Reserved by SAE; some OEMs assign proprietary meanings | 5 |
| 25 | Reserved by SAE; some OEMs assign proprietary meanings | 4 |
| 26 | Reserved by SAE; some OEMs assign proprietary meanings | 4 |
| 27 | Reserved by SAE; some OEMs assign proprietary meanings | 4 |
| 28 | Reserved by SAE; some OEMs assign proprietary meanings | 4 |
| 29 | Reserved by SAE; some OEMs assign proprietary meanings | 4 |
| 30 | Reserved by SAE; some OEMs assign proprietary meanings | 4 |
| 31 | Fault present; no further detail | 8 |
En estos pares aparecen 106 SPN distintos. 273 de los 561 pares usan SPN que WABCO asigna por sí mismo (516,096 en adelante), con el nombre de sus propios documentos; el resto usa SPN estándar cuyo significado es el mismo en todas las marcas.
Filas de este fabricante en la muestra gratuita. El conjunto de datos añade los procedimientos ordenados de cada par, con estimaciones de costes y de mano de obra cuando se conocen y el nombre de una pieza cuando hay una asignada.
| SPN | FMI | Código OEM | Descripción | Familia de fallas |
|---|---|---|---|---|
| 704 | 4 | — | Trailer auxiliary output circuit (WABCO aux): circuit shorted to ground (voltage low) | Configurable Auxiliary Output Solenoid Circuit |
| 790 | 8 | — | Wheel speed sensor, steer axle right: signal frequency or pulse width wrong | Wheel-Speed Signal Erratic / Implausible |
| 792 | 6 | 4+3 | Sensor circuit shorted; check for corroded or damaged wiring (drive axle right) | Wheel-Speed Sensor Circuit Fault |
| 794 | 6 | — | Wheel speed sensor, additional axle right: circuit shorted to ground, current too high | Wheel-Speed Sensor Circuit Fault |
| 800 | 4 | — | ABS pressure modulator valve channel, additional axle right: circuit shorted to ground (voltage low) | ABS Pressure Modulator Valve Solenoid |
| 1807 | 7 | 8+6 | ESC disabled; steering ratio implausible, recalibrate SAS after steering/front-axle work | Steering Angle Sensor (SAS) Circuit |
| 520210 | 8 | — | ESC module CAN communication fault: message counter increments incorrectly | Generic J1939 Data Link Fault (Erratic, Slow or Misconfigured) |
| 520504 | 9 | — | Wheel-speed plausibility, axle 2 right: sudden downward jump in wheel-speed reading | Wheel-Speed Signal Erratic / Implausible |