Electronic Suspension Control Module
2011-2011 Mitsubishi Lancer 2.0L I4
The 2011 Mitsubishi Lancer is equipped with a 2.0L inline-4 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
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0025LF Wheel Speed Sensor Circuit Intermittent
- C0026RF Wheel Speed Sensor Circuit Intermittent
- C0027LR Wheel Speed Sensor Circuit Intermittent
- C0028RR Wheel Speed Sensor Circuit Intermittent
- C0035Left Front Wheel Speed Sensor Circuit
- C0036Left Front Wheel Speed Signal Erratic
C0300 on Other Vehicles
Mitsubishi Colt JP
2002-2002 1.3L I4 4A90
Mitsubishi Colt JP
2002-2002 1.5L I4 4A91
Mitsubishi Colt JP
2003-2003 1.3L I4 4A90
Mitsubishi Colt JP
2003-2003 1.5L I4 4A91
Mitsubishi Colt JP
2004-2004 1.3L I4 4A90
Mitsubishi Colt JP
2004-2004 1.5L I4 4A91
Mitsubishi Colt JP
2005-2005 1.3L I4 4A90
Mitsubishi Colt JP
2005-2005 1.5L I4 4A91
Common Questions
What does code C0300 mean on a 2011-2011 Mitsubishi Lancer?
C0300 stands for "Electronic Suspension Control Module". General internal fault in the electronic suspension control module.
What are the symptoms of C0300 on a Mitsubishi Lancer?
Common symptoms of C0300 include: Suspension warning light, Ride quality degraded, Vehicle riding at fixed height, Service suspension message.
What causes C0300 on a 2011-2011 Mitsubishi Lancer?
Common causes of C0300 include: Module internal failure, Module power supply issue, Software error, CAN communication fault.
Last updated: March 2026