mahindra scorpio ecu price used

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Mahindra Scorpio & Bolero ECM Price, Part Numbers, Problems and Replacement Guide

Mahindra ECM (Engine Control Module) Complete Information

The ECM (Engine Control Module) is the main computer responsible for controlling fuel injection, engine timing, turbocharger operation, fuel pump control, sensors, immobilizer communication, cooling fan operation, and overall engine performance.

Mahindra vehicles such as the Scorpio, Bolero, Bolero Pickup, Xylo, Quanto, TUV300, and XUV500 use various Bosch and Delphi ECM systems depending on the model and engine type.

When the ECM becomes faulty, the vehicle may experience starting problems, immobilizer faults, injector problems, fuel pump failure, and engine misfiring.

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ECM Full Form

ECM = Engine Control Module

Also known as:

• ECU (Engine Control Unit)

• Engine Computer

• Engine Management System (EMS)

• Engine Control Computer

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Mahindra Vehicles Using ECM

Mahindra Scorpio

• Scorpio CRDe

• Scorpio mHawk

• Scorpio S2

• Scorpio S4

• Scorpio S6

• Scorpio S10

Mahindra Bolero

• Bolero DI

• Bolero SLX

• Bolero Power Plus

Mahindra Bolero Pickup

• Bolero Pickup BS3

• Bolero Pickup BS4

• Bolero Pickup BS6

Other Mahindra Vehicles

• Xylo

• Quanto

• TUV300

• XUV500

• Imperio Pickup

• Supro

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Common ECM Manufacturers

Mahindra commonly uses:

Bosch ECM

Found in:

• mHawk engines

• CRDe engines

• Newer BS4 and BS6 vehicles

Delphi ECM

Found in:

• Older CRDe vehicles

• Bolero models

• Bolero Pickup models

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Common Mahindra ECM Part Numbers

Part numbers vary by model and engine.

Common examples found in workshops include:

Bosch ECM

• 0281011753

• 0281011755

• 0281011903

• 0281012142

• 0281013694

• 0281030863

Delphi ECM

• 1805AAA01571

• 1805AAA02001

• 1805AAA02211

• DDCR Series ECM

Always match:

• Original ECM number

• Engine type

• Immobilizer system

• Vehicle model

before replacement.

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Mahindra Used ECM Price

Used ECM prices depend on:

• Model

• Part number

• Condition

• Immobilizer compatibility

Average Used ECM Price

₹6,000 to ₹8,000 INR

Popular models:

• Bolero

• Scorpio

• Bolero Pickup

• Xylo

can often be found within this range.

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Mahindra New ECM Price

Average New ECM Price

₹10,000 to ₹15,000 INR

Some BS6 models and advanced Bosch ECUs may cost more.

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Common Symptoms of a Faulty ECM

Engine Cranking But Not Starting

Symptoms

• Starter motor works

• Engine rotates

• Vehicle does not start

Possible causes:

• No injector pulse

• No fuel delivery

• No ECM control signal

---

Check Engine Light Not Coming ON

Normal

When ignition is switched ON:

• Check Engine Light illuminates

Fault

• Check Engine Light does not appear

Possible causes:

• ECM not powering up

• Internal ECM damage

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Fuel Pump Not Working

The ECM controls the fuel pump relay.

Symptoms

• Fuel pump remains OFF

• No fuel pressure

• No start condition

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Immobilizer Error

Symptoms

• Security Light ON

• Immobilizer Fault

• Engine starts then stops

• No start condition

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Injector Pulse Missing

The ECM controls injector operation.

Fault Symptoms

• No injector pulse

• Engine cranks but does not start

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No Spark Signal (Petrol Models)

In petrol vehicles:

Symptoms

• No ignition trigger

• No spark

• Engine no-start

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AC Compressor Not Working

Some Mahindra vehicles use ECM-controlled AC operation.

Symptoms

• AC button works

• Compressor does not engage

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Engine Misfiring

Symptoms

• Rough idle

• Engine vibration

• Poor acceleration

• Black smoke

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Turbocharger Problems

In turbocharged diesel engines:

Symptoms

• Power loss

• Limp mode

• Turbo boost faults

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How To Confirm ECM Failure

Before replacing the ECM:

Check Battery Voltage

Minimum:

• 12.4V

---

Check ECM Fuse

Inspect:

• ECM Fuse

• Main Fuse

• Ignition Fuse

---

Check Main Relay

A faulty relay may create ECM symptoms.

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Check Ground Supply

Poor ground connections can prevent ECM operation.

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Check Scanner Communication

If no communication is possible:

• ECM power issue

• Wiring problem

• Internal ECM fault

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Check Fuel Pump Activation

Switch ignition ON.

Normal

Fuel pump runs briefly.

Fault

Fuel pump remains OFF.

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Can a Used ECM Be Installed?

Yes.

However many Mahindra vehicles require:

• Immobilizer matching

• Key programming

• ECU coding

• EEPROM data transfer

before the engine can start.

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Common Causes of ECM Failure

Reverse Battery Connection

Alternator Overcharging

Water Damage

Wiring Short Circuit

Improper Jump Starting

Poor Ground Connection

Accident Damage

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Important Workshop Tip

Many mechanics replace the ECM immediately when:

• Vehicle does not start

• Fuel pump does not work

• Check Engine Light does not come ON

This is not always correct.

Always check:

✅ Battery Voltage

✅ Fuses

✅ Main Relay

✅ Ground Supply

✅ Wiring Harness

✅ Immobilizer System

before replacing the ECM.

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Conclusion

Mahindra Scorpio, Bolero, Bolero Pickup, Xylo, and other Mahindra vehicles rely on the ECM to control fuel injection, engine timing, fuel pump operation, turbocharger control, and immobilizer communication. Common ECM part numbers include Bosch 0281011753, 0281011755, and Delphi 1805AAA01571 series modules. A used Mahindra ECM generally costs between ₹6,000 and ₹8,000 INR, while a new ECM typically ranges from ₹10,000 to ₹15,000 INR depending on the model and part number. Before replacing an ECM, always verify power supply, fuses, relays, wiring, and immobilizer operation to avoid unnecessary replacement costs.