Electronic Suspension Control Module
2018-2018 Lincoln MKX 3.7L V6
The 2018 Lincoln MKX is equipped with a 3.7L V6 engine. Below you'll find detailed c0300 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
General internal fault in the electronic suspension control module.
Symptoms
- Suspension warning light
- Ride quality degraded
- Vehicle riding at fixed height
- Service suspension message
Common Causes
- Module internal failure
- Module power supply issue
- Software error
- CAN communication fault
Diagnostic Steps
- Check module power and ground connections
- Scan for CAN communication codes
- Attempt module reset
- Check for software updates
- Inspect module connector
Repair Notes
Replace electronic suspension control module. Program and calibrate after installation.
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
C0300 on Other Vehicles
Lincoln Aviator
2003-2003 4.6L V8 DOHC
Lincoln Aviator
2004-2004 4.6L V8 DOHC
Lincoln Aviator
2005-2005 4.6L V8 DOHC
Lincoln Aviator
2020-2020 3.0L Twin-Turbo V6
Lincoln Aviator
2020-2020 3.0L V6 Twin Turbo
Lincoln Aviator
2020-2020 3.0L V6 Twin Turbo Hybrid
Lincoln Aviator
2021-2021 3.0L Twin-Turbo V6
Lincoln Aviator
2021-2021 3.0L V6 Twin Turbo
Common Questions
What does code C0300 mean on a 2018-2018 Lincoln MKX?
C0300 stands for "Electronic Suspension Control Module". General internal fault in the electronic suspension control module.
What are the symptoms of C0300 on a Lincoln MKX?
Common symptoms of C0300 include: Suspension warning light, Ride quality degraded, Vehicle riding at fixed height, Service suspension message.
What causes C0300 on a 2018-2018 Lincoln MKX?
Common causes of C0300 include: Module internal failure, Module power supply issue, Software error, CAN communication fault.
Last updated: March 2026