ABS/Brake/Stability-Traction Control System Indication
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
The brake/stability-traction control system indication is controlled in many instances by the ABS module. The ABS module can illuminate multiple indicators for various fault conditions. The following table provides a summary of the basic fault conditions and the indicators that are illuminated for each condition.
NOTE:
Refer to the Normal Operation and Fault Condition description before each brake/stability-traction control system indicator Pinpoint Test (PPT) for the IPC default action for network/missing message conditions.
| Event/Fault Condition | ABS Warning Indicator Status | Brake Warning Indicator Status | Stability-Traction Control Indicator (Sliding Car Icon) Status | Stability-Traction Control Disabled Indicator (Sliding Car OFF Icon) Status |
|---|---|---|---|---|
| Normal operation | Off | Off | Off | Off |
| Parking brake applied | Off | On | Off | Off |
| Wheel speed sensor faults | On | Off | On | On |
| Pump motor electrical fault | On | On | On | On |
| Invalid or missing PCM data | Off | Off | On | On |
| Steering wheel angle sensor fault | Off | Off | Flashing | On |
| Brake fluid level low | Off | On | Off | Off |
| RCM RAM fault | Off | Off | Flashing | On |
| Stability control EEPROM fault | Off | Off | Flashing | On |
| RCM sensor cluster lateral acceleration sensor failure | Off | Off | Flashing | On |
| RCM sensor cluster longitudinal acceleration sensor failure | Off | Off | Flashing | On |
| RCM sensor cluster yaw rate/lateral acceleration sensor failure | Off | Off | Flashing | On |
| RCM sensor cluster roll rate sensor signal failure | Off | Off | Flashing | On |
| Brake switch failure - pressure sensor offset learned (stability control only applications) | Off | Off | Flashing | On |
| Brake pedal switch failure - signal stuck high | Off | Off | N/A | On |
| Low brake booster vacuum below threshold | Off | On | Flashing | Off |
| Stability control event duration too long | On | Off | On | On |
| ABS control event duration too long | On | On | On | On |
| Traction control system/ESC mode switch stuck on | Off | Off | Flashing | Off |
| Brake booster vacuum sensor signal invalid | Off | On | Flashing | Off |
| Traction control isolation valves over-temperature | Off | Off | Flashing | Off |
| Brake system evacuate and fill process not complete. | Flashing | On | On | On |
| Valve relay general failure | On | On | On | On |
| Valve relay supply circuit short to ground | On | On | On | On |
| Wheel speed sensor incorrectly installed | On | Off | On | On |
| Wheel speed sensor signal wheel rotation direction plausibility failure | Off | Off | Flashing | Off |
| ABS control event plausibility failure | On | Off | On | On |
| Pressure sensor failure | On | On | N/A | On |
| CAN bus off failure | Off | Off | On | On |
| Lost communication with the PCM | Off | Off | On | On |
| Valves general electronic failure | On | On | On | On |
| Configuration not complete | Flashing | On | On | On |
| Calibration file not downloaded or flashed | On | Off | On | On |
| Configuration incompatible or not correct | On | On | On | On |
| Collision mitigation by braking event control request incorrect | Off | Off | Flashing | Off |
| Collision mitigation by braking deceleration plausibility failure | Off | Off | Flashing | Off |
| ACC deceleration plausibility failure | Off | Off | Flashing | Off |
| End of line configuration EEPROM failure | On | Off | On | On |
| RAM failure | On | On | On | On |
| EEPROM failure | On | On | On | On |
| Control module microcontroller failure | On | Off | On | On |
| Control module initialization failure | Off | Off | On | On |
| General electronic failure | On | On | On | On |
| Control module temperature over allowable limit | On | On | On | On |
| Vehicle Identification Number (VIN) HS-CAN2 data mismatch compared with the end of line configuration | On | Off | On | On |
| Control module voltage under limit | On | On | On | On |