Transfer Case Control Module Communication
2006-2012 Mitsubishi Eclipse 2.4L I4
Description
Loss of communication between the transfer case module and other vehicle systems.
Symptoms
- 4WD light flashing
- Service 4WD warning
- Cannot select drive modes
- Transmission may default to limp mode
Common Causes
- CAN bus wiring fault to module
- Module connector disconnected
- Module power loss
- CAN bus termination issue
Diagnostic Steps
- Check CAN wiring to transfer case module
- Inspect module connector
- Verify power and ground at module
- Look for U-codes related to transfer case
- Check CAN bus resistance
Repair Notes
Repair CAN wiring or connector. Replace module if communication chip failed.
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
C0501 on Other Vehicles
Mitsubishi 3000GT
1991-1999 3.0L V6
Mitsubishi 3000GT VR-4
1991-1999 3.0L Twin Turbo V6
Mitsubishi 3000GT VR-4
1991-1999 3.0L V6 Twin Turbo
Mitsubishi Colt JP
2002-2012 1.3L I4 4A90
Mitsubishi Colt JP
2002-2012 1.5L I4 4A91
Mitsubishi Delica D:5
2019-2025 2.2L I4 Turbo Diesel 4N14
Mitsubishi Diamante
1997-2004 3.5L V6
Mitsubishi Eclipse
1990-1999 2.0L I4
Common Questions
What does code C0501 mean on a 2006-2012 Mitsubishi Eclipse?
C0501 stands for "Transfer Case Control Module Communication". Loss of communication between the transfer case module and other vehicle systems.
What are the symptoms of C0501 on a Mitsubishi Eclipse?
Common symptoms of C0501 include: 4WD light flashing, Service 4WD warning, Cannot select drive modes, Transmission may default to limp mode.
What causes C0501 on a 2006-2012 Mitsubishi Eclipse?
Common causes of C0501 include: CAN bus wiring fault to module, Module connector disconnected, Module power loss, CAN bus termination issue.