Control Nodes — Tata Motors Punch

Category: Electrical | Severity: high | Cost: ₹8,000–₹40,000

What is Control Nodes?

Electronic modules communicating via CAN network.

How Control Nodes Works

Exchange data between ECUs.

Why is Control Nodes Important?

Ensures system coordination.

Common Problems

Communication failure

Symptoms

Multiple warning lights

Causes of Failure

CAN line fault

Impact on Car Performance

System errors.

DIY Fix Guide — Step by Step

Diagnostic scan required

Maintenance Tips

Check wiring

Replacement Cost in India

Estimated range: ₹8,000 – ₹40,000

Where to Buy Online

When to Replace Control Nodes

When communication fails repeatedly.