ECU (Engine Control Unit) — Volvo XC90
Category: Electrical | Severity: high | Cost: ₹50,000–₹2,00,000
What is ECU (Engine Control Unit)?
Controls engine functions electronically.
How ECU (Engine Control Unit) Works
Processes sensor data to optimize performance.
Why is ECU (Engine Control Unit) Important?
Critical for engine efficiency and emissions.
Common Problems
- Software issues
- ECU failure
Symptoms
- Check engine light
- Poor performance
Causes of Failure
- Electrical surge
- Water damage
Impact on Car Performance
Engine malfunction.
DIY Fix Guide — Step by Step
- Scan with OBD tool
Maintenance Tips
- Avoid water exposure
Replacement Cost in India
Estimated range: ₹50,000 – ₹2,00,000
Where to Buy Online
When to Replace ECU (Engine Control Unit)
When ECU fails or is beyond repair.