Electronic Parking Brake Control Module
2016-2018 Lincoln MKX 3.7L V6
Description
Internal fault in the electronic parking brake control module.
Symptoms
- EPB warning light on
- EPB functions inoperative
- Hill-hold not working
- Auto-hold not functioning
Common Causes
- EPB module internal failure
- Module software corruption
- Power supply issue to module
- CAN communication fault to module
Diagnostic Steps
- Check module power supply and ground
- Scan for CAN communication codes
- Attempt module reset
- Check for software updates
- Test module inputs and outputs
Repair Notes
Replace EPB control module. Requires programming and calibration.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0025LF Wheel Speed Sensor Circuit Intermittent
- C0025LF Wheel Speed Sensor Circuit Intermittent
C0123 on Other Vehicles
Lincoln Aviator
2020-2024 3.0L Twin-Turbo V6
Lincoln Aviator
2020-2024 3.0L V6 Twin Turbo
Lincoln Aviator Grand Touring
2020-2024 3.0L Twin Turbo V6 PHEV
Lincoln Aviator Grand Touring
2020-2024 3.0L Twin-Turbo V6 Hybrid
Lincoln Aviator Grand Touring
2020-2024 3.0L V6 Twin Turbo Hybrid
Lincoln Continental
2017-2020 2.7L EcoBoost V6
Lincoln Continental
2017-2020 2.7L Twin-Turbo V6
Lincoln Continental
2017-2020 2.7L V6 Twin Turbo
Common Questions
What does code C0123 mean on a 2016-2018 Lincoln MKX?
C0123 stands for "Electronic Parking Brake Control Module". Internal fault in the electronic parking brake control module.
What are the symptoms of C0123 on a Lincoln MKX?
Common symptoms of C0123 include: EPB warning light on, EPB functions inoperative, Hill-hold not working, Auto-hold not functioning.
What causes C0123 on a 2016-2018 Lincoln MKX?
Common causes of C0123 include: EPB module internal failure, Module software corruption, Power supply issue to module, CAN communication fault to module.