Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2021EDGE SE, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 45 (ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL)DIAGNOSIS AND TESTINGANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROLSYMPTOM CHART: ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL
2021 Ford Edge SE, 4WD
Symptom Chart: Anti-Lock Brake System (ABS) and Stability Control
2021 Ford Edge SE, 4WDSECTION Symptom Chart: Anti-Lock Brake System (ABS) and Stability Control
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.
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to: Diagnostic Methods .
Symptom Chart: ABS and Stability Control
| Condition | Possible Sources | Actions |
|---|---|---|
| A module does not respond to the diagnostic scan tool | Fuse Wiring, terminals or connectors ABS module concern |
REFER to: Communications Network . |
| The brake warning indicator is always or never on | Low brake fluid level Brake fluid level sensor Parking brake applied Parking brake switch IPC concern ABS concern |
RETRIEVE and DIAGNOSE all ABS module Diagnostic Trouble Codes (DTCs). If there are no ABS module Diagnostic Trouble Codes (DTCs), DIAGNOSE the brake warning indicator. Refer to: Instrumentation, Message Center and Warning Chimes . |
| The ABS warning indicator is always or never on | IPC concern ABS concern |
RETRIEVE and DIAGNOSE all ABS module Diagnostic Trouble Codes (DTCs). If there are no ABS module Diagnostic Trouble Codes (DTCs), DIAGNOSE the ABS warning indicator. Refer to: Instrumentation, Message Center and Warning Chimes . |
| The stability-traction control OFF indicator (sliding-car OFF icon) is always on | IPC concern ABS concern |
RETRIEVE and DIAGNOSE all ABS module Diagnostic Trouble Codes (DTCs). If there are no ABS module Diagnostic Trouble Codes (DTCs), DIAGNOSE the stability-traction control OFF indicator. Refer to: Instrumentation, Message Center and Warning Chimes . |
| ABS false activation, ABS too sensitive, ABS activates on normal stop | Refer to the Pinpoint Test | GO to Pinpoint Test AG |
| The traction control system is inoperative or cannot be disabled | Refer to the Pinpoint Test | GO to Pinpoint Test K |
| The Hill Descent Control™ system is inoperative or cannot be disabled | Refer to the Pinpoint Test | GO to Pinpoint Test R |
| The hill start assist feature is inoperative, cannot be disabled or enabled | Network concern IPC concern ABS module concern |
Using a diagnostic scan tool, CARRY OUT the IPC self-test. DIAGNOSE all IPC Diagnostic Trouble Codes (DTCs). Refer to: Instrumentation, Message Center and Warning Chimes
. Using a diagnostic scan tool, CARRY OUT the ABS module self-test. DIAGNOSE all ABS module Diagnostic Trouble Codes (DTCs). GO to DTC Chart: Anti-Lock Brake System (ABS) Module |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.