ACC Radar Module Communication Fault
2007-2013 Suzuki SX4 2.0L I4
Description
Loss of CAN bus communication with the ACC radar module.
Symptoms
- ACC disabled
- Multiple driver assist warnings
- Forward collision alert unavailable
Common Causes
- CAN wiring fault to radar module
- Module connector disconnected
- Radar module power loss
- CAN bus termination issue at module
Diagnostic Steps
- Check CAN communication to radar module
- Inspect module connector
- Verify power and ground at module
- Check CAN bus wiring continuity
- Look for U-codes related to radar module
Repair Notes
Repair CAN bus wiring or connector. Replace module if communication chip has 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
C0411 on Other Vehicles
Suzuki Alto Works
2015-2021 0.66L I3 Turbo R06A
Suzuki Carry
2013-2025 0.66L I3 R06A
Suzuki Escudo JP
2015-2025 1.4L I4 Turbo K14C
Suzuki Every
2015-2025 0.66L I3 R06A
Suzuki Every
2015-2025 0.66L I3 Turbo R06A
Suzuki Grand Vitara
1999-2013 2.4L I4
Suzuki Hustler
2020-2025 0.66L I3 R06D
Suzuki Hustler
2020-2025 0.66L I3 Turbo R06A
Common Questions
What does code C0411 mean on a 2007-2013 Suzuki SX4?
C0411 stands for "ACC Radar Module Communication Fault". Loss of CAN bus communication with the ACC radar module.
What are the symptoms of C0411 on a Suzuki SX4?
Common symptoms of C0411 include: ACC disabled, Multiple driver assist warnings, Forward collision alert unavailable.
What causes C0411 on a 2007-2013 Suzuki SX4?
Common causes of C0411 include: CAN wiring fault to radar module, Module connector disconnected, Radar module power loss, CAN bus termination issue at module.