Symptom Chart(s)
WARNING: This page is about a different variant/trim than selected.
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: Communications Network . |
| 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 . |
| 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 | Network communication concern Diagnostic Trouble Codes (DTCs) present in the ABS module Diagnostic Trouble Codes (DTCs) present in the PCM Diagnostic Trouble Codes (DTCs) present in the Hybrid Powertrain control Module (HPCM) Diagnostic Trouble Codes (DTCs) present in the BCM |
DIAGNOSE all Diagnostic Trouble Codes (DTCs) in the ABS module, PCM, Hybrid Powertrain Control Module (HPCM) and BCM. If there are no Diagnostic Trouble Codes (DTCs) present in the modules listed above, GO to Pinpoint Test E |