Symptom Chart: Parking Brake and Actuation)
WARNING: This page is about a different car, the 2018 Lincoln Navigator. 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 .
| Condition | Possible Sources | Actions |
|---|---|---|
| A module does not respond to the diagnostic scan tool | Fuse Wiring, terminals or connectors ABS module concern |
REFER to:MODULE COMMUNICATIONS NETWORK (2 OF 2) . |
| The red brake warning indicator is always on, never on or flashes | Low brake fluid level Wiring, terminals or connectors Brake fluid level sensor Parking brake applied Brake booster vacuum sensor IPC concern ABS concern |
RETRIEVE all ABS module Diagnostic Trouble Codes (DTCs) and GO to the DTC Chart: Anti-Lock Brake System (ABS) Module . If there are no Diagnostic Trouble Codes (DTCs) present in the module, DIAGNOSE the red brake warning indicator. REFER to:INSTRUMENTATION, MESSAGE CENTER AND WARNING CHIMES (2 OF 2) . |
| The yellow parking brake indicator is always or never on | Parking brake concern Parking brake switch ABS module |
RETRIEVE all ABS module Diagnostic Trouble Codes (DTCs) and GO to the DTC Chart: Anti-Lock Brake System (ABS) Module . |
| Message center displays Park Brake Malfunction Service Now | Parking brake concern Diagnostic Trouble Codes (DTCs) present in the ABS module ABS module concern |
RETRIEVE all ABS module Diagnostic Trouble Codes (DTCs) and GO to the DTC Chart: Anti-Lock Brake System (ABS) Module . |
| Message center displays Park Brake Limited Function Service Required | Diagnostic Trouble Codes (DTCs) present in the ABS module | RETRIEVE all ABS module Diagnostic Trouble Codes (DTCs) and GO to the DTC Chart: Anti-Lock Brake System (ABS) Module . |
| Message center displays Maintenance Mode | Parking brake system is in maintenance mode (service mode) | EXIT maintenance mode (service mode). REFER to:Electronic Parking Brake (EPB) Service Mode Activation and Deactivation . |
| Rear brakes drag | Refer to the Pinpoint Test | GO to Pinpoint Test E |
| The parking brake does not apply or does not hold the vehicle | Refer to the Pinpoint Test | GO to Pinpoint Test E |
| The parking brake does not release using the park brake switch | Refer to the Pinpoint Test | GO to Pinpoint Test E |
| The parking brake automatic release function does not operate | Refer to the Pinpoint Test | GO to Pinpoint Test E |