Transmission Control Unit (TCU) — Tata Motors Punch
Category: Engine | Severity: high | Cost: ₹15,000–₹50,000
What is Transmission Control Unit (TCU)?
Controls AMT gear shifting operations.
How Transmission Control Unit (TCU) Works
Processes data to manage clutch and gear actuators.
Why is Transmission Control Unit (TCU) Important?
Brain of AMT system.
Common Problems
- Software glitches
Symptoms
- Jerky shifts
- Gear errors
Causes of Failure
- Electrical faults
Impact on Car Performance
Poor shifting.
DIY Fix Guide — Step by Step
- Software scan
Maintenance Tips
- Regular diagnostics
Replacement Cost in India
Estimated range: ₹15,000 – ₹50,000
Where to Buy Online
When to Replace Transmission Control Unit (TCU)
When system fails.