Transmission Control Module — Toyota Fortuner Legender

Category: Transmission | Severity: medium | Cost: ₹20,000–₹80,000

What is Transmission Control Module?

Electronic unit that controls automatic gear shifting.

How Transmission Control Module Works

Processes sensor data and commands gear shifts electronically.

Why is Transmission Control Module Important?

Ensures smooth and efficient gear changes.

Common Problems

Software glitches
Sensor failure

Symptoms

Erratic shifting
Warning lights

Causes of Failure

Electrical faults
Moisture damage

Impact on Car Performance

Improper gear shifting and reduced efficiency.

DIY Fix Guide — Step by Step

Reset ECU
Check wiring

Maintenance Tips

Avoid water exposure
Regular diagnostics

Replacement Cost in India

Estimated range: ₹20,000 – ₹80,000

Where to Buy Online

When to Replace Transmission Control Module

When electronic failure persists.