maruti suzuki swift vxi new model ecm price used

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Maruti Suzuki Swift VXI New Model ECM Price, Part Numbers, Problems and Replacement Guide

Maruti Suzuki Swift VXI ECM (Engine Control Module) Complete Information

The ECM (Engine Control Module) is the main computer of the Maruti Suzuki Swift VXI. It controls fuel injection, ignition timing, fuel pump operation, throttle control, cooling fan operation, AC compressor control, emission systems, and engine performance.

A faulty ECM can cause starting problems, fuel pump failure, immobilizer errors, engine misfiring, and communication faults.

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ECM Full Form

ECM = Engine Control Module

Also known as:

• ECU (Engine Control Unit)

• Engine Computer

• Engine Management System (EMS)

• Powertrain Control Module (PCM)

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Maruti Suzuki Swift VXI Used ECM Price

The price of a used ECM depends on:

• Model year

• Engine type

• Petrol or CNG

• Manual or AMT

• Part number condition

Used ECM Price

• ₹3,000 to ₹5,000 INR

Average market price:

• ₹4,000 INR

Used ECMs for Swift are commonly available in the Indian spare parts market within this range.

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Maruti Suzuki Swift VXI New ECM Price

New ECM Price

• ₹8,000 to ₹10,000 INR

Some genuine Maruti ECM/ECU assemblies are listed between approximately ₹6,600 and ₹9,600 depending on part number and application.

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Swift VXI Engine Variants

Swift 1.2 Petrol

• K12M Engine

• K12N DualJet Engine

Swift CNG

• Factory-Fitted CNG Models

Swift AMT

• Automatic Transmission Variants

Different engine variants use different ECM software and hardware.

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Common Swift ECM Part Numbers

Commonly seen part numbers include:

• 33920M67LC1

• 33920M67LA2

• 33920M79F20

• 33920M79F40

• 33920M80T00

• 33920M80T10

Part numbers vary according to:

• Model year

• Engine type

• Fuel type

• Transmission type

Always match the original ECM number before replacement.

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Common Symptoms of a Faulty ECM

Engine Cranking But Not Starting

Symptoms

• Starter motor operates normally

• Engine cranks

• Vehicle does not start

---

Check Engine Light Not Coming ON

Normal

• Check Engine Light illuminates when ignition is ON

Fault

• Check Engine Light does not illuminate

• ECM may not be powering up

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Fuel Pump Not Working

Symptoms

• No fuel pump sound

• No fuel pressure

• Engine cranks but does not start

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No Injector Pulse

Symptoms

• Injectors do not operate

• Engine no-start condition

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No Spark Signal

Symptoms

• No ignition trigger

• No spark at spark plugs

• Engine will not start

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Immobilizer Error

Symptoms

• Security light flashing

• Immobilizer warning

• Engine starts then stops

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Engine Misfiring

Symptoms

• Rough idle

• Engine vibration

• Poor acceleration

---

Scanner Cannot Communicate With ECM

Symptoms

• No communication

• Live data unavailable

• Multiple communication faults

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How To Check ECM Before Replacement

Before replacing ECM, always inspect:

Battery Voltage

Minimum:

• 12.4V

ECM Fuse

Check:

• EFI Fuse

• ECM Fuse

• Ignition Fuse

Main Relay

Verify operation.

Ground Supply

Poor grounding can cause ECM-related symptoms.

Wiring Harness

Inspect for:

• Corrosion

• Water damage

• Broken wires

• Loose connectors

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Can a Used ECM Be Installed?

Yes.

However some Swift models may require:

• Immobilizer Matching

• Key Programming

• ECU Coding

after installation.

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Common Causes of ECM Failure

• Reverse battery connection

• Water damage

• Alternator overcharging

• Wiring short circuits

• Improper jump starting

• Connector corrosion

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Conclusion

The Maruti Suzuki Swift VXI ECM (Engine Control Module) is responsible for fuel injection, ignition timing, fuel pump operation, immobilizer communication, and engine management. A faulty ECM can cause engine cranking but not starting, fuel pump failure, no injector pulse, no spark, immobilizer errors, and Check Engine Light problems.

The average used Swift VXI ECM price ranges from ₹3,000 to ₹5,000 INR, while a new ECM generally costs between ₹8,000 and ₹10,000 INR depending on the model, engine type, and part number. Always verify the original ECM number before purchasing a replacement.