U2018: Passenger Side Crash Sensor Communication Fault (Non SCP)
LowNetwork/CommunicationNetwork Communication
What does U2018 mean?
U2018 is a diagnostic trouble code indicating "Passenger Side Crash Sensor Communication Fault (Non SCP)". A sensor in the network communication is reporting abnormal data or has lost communication with the ECU. Sensors can fail due to age, contamination, heat exposure, or wiring issues.
Symptoms you may notice
- Check engine light (MIL) illuminated on dashboard
- Intermittent warning lights
- Erratic gauge readings
Estimated repair cost
Typical range in Australia (parts + labour)
$120 – $450 AUD
Common causes
- Faulty network communication component
- Wiring or connector issue in the related circuit
- Failed sensor providing incorrect readings
- Software/calibration issue requiring ECU update
- Related component causing secondary fault
What should you do?
This is a minor or informational code. Monitor for any changes in vehicle behaviour and address it during your next scheduled service visit.
Get a diagnosis for YOUR car
Code U2018 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.