PCM (Powertrain Control Module) — Maruti Suzuki Swift

Category: Fuel System | Severity: high | Cost: ₹30,000–₹1,00,000

What is PCM (Powertrain Control Module)?

Controls both engine and transmission systems.

How PCM (Powertrain Control Module) Works

Combines ECU and TCU functions into one unit.

Why is PCM (Powertrain Control Module) Important?

Optimizes powertrain performance.

Common Problems

Module failure

Symptoms

Gear shifting issues
Engine problems

Causes of Failure

Electrical faults

Impact on Car Performance

Engine + transmission malfunction.

DIY Fix Guide — Step by Step

Professional diagnosis

Maintenance Tips

Maintain wiring system

Replacement Cost in India

Estimated range: ₹30,000 – ₹1,00,000

Where to Buy Online

When to Replace PCM (Powertrain Control Module)

When module fails completely.