Crash Sensor — Hyundai Creta
Category: Electrical | Severity: high | Cost: ₹2,500–₹8,000
What is Crash Sensor?
The crash sensor detects sudden deceleration or impact and triggers safety systems like airbags and fuel cut-off.
How Crash Sensor Works
It uses accelerometers to measure impact force. When a threshold is exceeded, it sends signals to the airbag control module.
Why is Crash Sensor Important?
Ensures timely deployment of airbags during accidents, reducing injury risk.
Common Problems
- Sensor malfunction
- Wiring damage
- False triggering
Symptoms
- Airbag warning light ON
- Airbags not deploying
- Error codes in ECU
Causes of Failure
- Accident impact
- Water ingress
- Electrical faults
Impact on Car Performance
Failure may prevent airbags from deploying, increasing safety risk.
DIY Fix Guide — Step by Step
- Scan OBD for errors
- Inspect wiring harness
- Replace faulty sensor
Maintenance Tips
- Avoid water exposure
- Check after accidents
- Use OEM parts
Replacement Cost in India
Estimated range: ₹2,500 – ₹8,000
Where to Buy Online
When to Replace Crash Sensor
After accident or if warning light persists
Frequently Asked Questions
- What does crash sensor do?
- It detects impact and triggers airbags instantly.
- Can I drive with faulty crash sensor?
- Not recommended as airbags may fail.
- Is it repairable?
- Usually replaced, not repaired.