Microcontroller — Nissan Gravite
Category: Electrical | Severity: high | Cost: ₹10,000–₹40,000
What is Microcontroller?
Acts as the brain of various ECUs controlling multiple vehicle functions.
How Microcontroller Works
Processes inputs from sensors and sends commands to actuators.
Why is Microcontroller Important?
Essential for automation and smart vehicle features.
Common Problems
- Software crash
- Hardware failure
Symptoms
- System malfunction
- Random errors
Causes of Failure
- Voltage spikes
- Overheating
Impact on Car Performance
Multiple systems may behave unpredictably.
DIY Fix Guide — Step by Step
- Scan ECU
- Reset system
- Replace ECU if needed
Maintenance Tips
- Avoid voltage fluctuations
Replacement Cost in India
Estimated range: ₹10,000 – ₹40,000
Where to Buy Online
When to Replace Microcontroller
When ECU fails completely.