Active Steering System Malfunction
2011-2011 Mitsubishi Lancer 2.4L I4
The 2011 Mitsubishi Lancer is equipped with a 2.4L inline-4 engine. Below you'll find detailed c0240 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
General fault in the active steering system that adjusts steering ratio based on vehicle speed.
Symptoms
- Active steering warning light
- Fixed steering ratio
- Steering feels different at various speeds
- Driver assist features limited
Common Causes
- Active steering motor failure
- Control module fault
- Position sensor malfunction
- CAN communication error
Diagnostic Steps
- Scan for active steering module codes
- Test active steering motor
- Check CAN communication to module
- Inspect wiring and connectors
- Test position feedback sensors
Repair Notes
Diagnose specific active steering component. System defaults to fixed ratio when faulted.
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
C0240 on Other Vehicles
Mitsubishi Colt JP
2005-2005 1.3L I4 4A90
Mitsubishi Colt JP
2005-2005 1.5L I4 4A91
Mitsubishi Colt JP
2006-2006 1.3L I4 4A90
Mitsubishi Colt JP
2006-2006 1.5L I4 4A91
Mitsubishi Colt JP
2007-2007 1.3L I4 4A90
Mitsubishi Colt JP
2007-2007 1.5L I4 4A91
Mitsubishi Colt JP
2008-2008 1.3L I4 4A90
Mitsubishi Colt JP
2008-2008 1.5L I4 4A91
Common Questions
What does code C0240 mean on a 2011-2011 Mitsubishi Lancer?
C0240 stands for "Active Steering System Malfunction". General fault in the active steering system that adjusts steering ratio based on vehicle speed.
What are the symptoms of C0240 on a Mitsubishi Lancer?
Common symptoms of C0240 include: Active steering warning light, Fixed steering ratio, Steering feels different at various speeds, Driver assist features limited.
What causes C0240 on a 2011-2011 Mitsubishi Lancer?
Common causes of C0240 include: Active steering motor failure, Control module fault, Position sensor malfunction, CAN communication error.
Last updated: March 2026