C0300
Electronic Suspension Control Module
2001-2005 BMW 325i E46 2.5L I6 M54
High SeverityChassisGeneric (SAE)
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
Common Questions
What does code C0300 mean on a 2001-2005 BMW 325i E46?
C0300 stands for "Electronic Suspension Control Module". General internal fault in the electronic suspension control module.
What are the symptoms of C0300 on a BMW 325i E46?
Common symptoms of C0300 include: Suspension warning light, Ride quality degraded, Vehicle riding at fixed height, Service suspension message.
What causes C0300 on a 2001-2005 BMW 325i E46?
Common causes of C0300 include: Module internal failure, Module power supply issue, Software error, CAN communication fault.