TCU (Transmission Control Unit) for Maruti Suzuki Swift — Price, Symptoms & Replacement Guide
Category: Electrical | Failure Severity: High | Replacement Cost in India: ₹20,000–₹60,000
What is the TCU (Transmission Control Unit)?
Controls automatic/AMT transmission operations.
How the TCU (Transmission Control Unit) Works
Manages gear shifts electronically.
Why the TCU (Transmission Control Unit) is Important
Essential for AMT/automatic performance.
Common Problems with the TCU (Transmission Control Unit)
- Shift delay
Warning Symptoms of a Failing TCU (Transmission Control Unit)
- Gear jerks
Common Causes of TCU (Transmission Control Unit) Failure
- Software fault
Impact on Car Performance
Transmission issues.
DIY Fix Guide — Step by Step
- Run diagnostics
Maintenance Tips
- Software updates
TCU (Transmission Control Unit) Replacement Cost in India
Expect to pay between ₹20,000 and ₹60,000 for genuine parts plus labour at an authorised Maruti Suzuki workshop. Local garages and aftermarket parts can be 20–40% cheaper but may compromise warranty.
Where to Buy TCU (Transmission Control Unit) Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade TCU (Transmission Control Unit) listings.
When to Replace the TCU (Transmission Control Unit)
When shifting fails.