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Peugeot iOn Engine ReplacementCompare Prices & Save
Get quotes today from trusted UK Peugeot iOn engine specialists. Compare prices on reconditioned, rebuilt and used electric motors - supply & fit available nationwide.
iOn Electric Motor Units - from £800 to £2,000
-> Rebuilt units from £800 · Common codes: Y4F1, MCU-001, TCU-002
iOn Motor Control Units - from £600 to £1,500
-> Rebuilt units from £600 · Common codes: MCU-001, MCU-002, INV-001
iOn Transmission Control Units - from £700 to £1,800
-> Rebuilt units from £700 · Common codes: TCU-001, TCU-002, GCM-001
🔒 Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK Peugeot iOn specialists.
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How It Works
3 Simple Stepsto Finding the Best Peugeot IOn Replacement Engine
Get Instant Quotes from Peugeot Engine Specialists Across the UK - 100% free, no obligation. Most Peugeot engine replacements completed within 3-5 days.
Most replacements completed within 3-5 days.
12-Month Warranty
Supply & Fit Available
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Trusted UK Suppliers
Live UK Engine Market Data
What Are UK Drivers Paying for Peugeot iOn Electric Motor Replacement?
The table below shows typical UK rebuilt motor costs across Peugeot iOn variants - compare failure causes, motor codes, power ratings, and price ranges to benchmark what UK drivers are paying.
Average Market Prices
- Peugeot iOn (Gen1) Allure LCI2014-2017£950-£1,900Battery degradationY4F1Electric 35kW
- Peugeot iOn (Gen1) Active2010-2012£800-£1,600MCU failure recallY4F1Electric 35kW
- Peugeot iOn (Gen1) Access2010-2013£750-£1,500TCU grinding noiseY4F1Electric 35kW
- Peugeot iOn (Gen1) Allure2011-2014£900-£1,800HV system errorY4F1Electric 35kW
- Peugeot iOn (Gen1) Enrolment2012-2015£850-£1,70012V battery triggerY4F1Electric 35kW
- Peugeot iOn (Gen1) Active LCI2013-2016£800-£1,600Ignition Terminal 15Y4F1Electric 35kW
Last updated: 31 May, 08:53
Customer Reviews
Trusted by Peugeot IOn OwnersAcross the UK
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“Got three quotes within an hour and chose the best deal easily. The whole process was quick, clear and stress-free.”
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“I wasn't sure what I needed, but they helped me identify the right engine and connected me with a trusted garage.”
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Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
- Jimmy, London
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Models We Cover
Peugeot iOn Engine ReplacementAll Variants Covered
Core Electric Range
Specs48hp
Years2010-2016
Rebuilt£800-£1,600
Variant Directory
All Peugeot iOn Variants - Electric Motor Replacement Coverage
A full alphabetical listing of every Peugeot iOn trim covered by our network. All entries link to a dedicated variant page, where prices are further broken down by motor code, model year, and condition type. Click a live link to compare quotes.
Electric Variants
ActiveAccessAllureEnrolmentActive LCIAccess LCIAllure LCI
Engine Codes
Peugeot iOn Engine CodesFull Technical Specifications & Replacement Guide
Every motor code fitted to the Peugeot iOn across all generations, with technical specs, compatible variants and trims, known failure points, and average rebuilt prices from UK specialists. Select any motor code to compare quotes.
Petrol Engines
Extracted from detailed petrol and performance engine families across Peugeot IOn variants.
Can't find your engine code?
Can't find your motor code? Enter your registration number above - we'll instantly identify the exact unit, its technical specifications, and live replacement prices from UK Peugeot iOn engine specialists. Every rebuilt motor comes with a Peugeotmum 12‑month unlimited mileage warranty.
Common Problems
Peugeot iOn Engine Problems
What It Costs to Fix & When Replacement Makes Sense
Every rebuilt engine includes a minimum 12-month unlimited mileage warranty.
1. Motor Control Unit (MCU) Failure
Why Early Peugeot iOn Models Lose Power
Affected Models
Peugeot iOn Active, Access, Allure (2011-2012, Y4F1 motor with MCU-001)
Typical Failure Mileage
40,000-70,000 miles
Root Cause
Internal power electronics failure in the inverter module, exacerbated by thermal cycling and known manufacturing defect covered by recall ZZZ.
Repair Options & Estimated Costs (UK ranges)
| Repair Tier | Dealer Price | Specialist Price | What It Involves | Longevity / Suitability |
|---|---|---|---|---|
Diagnostic & Software Reset - Check for fault codes and attempt reprogramming Minor | £150 - £300 | £95 - £200 | OBD2 diagnostic scan, software update attempt | Only viable if failure is software-related; temporary fix for hardware faults |
MCU Replacement - Reconditioned Unit - Swap faulty control module Minor | £1,200 - £2,000 | £600 - £1,200 | Remove old MCU, install tested reconditioned unit with updated firmware | Restores full function; 12-month warranty covers recurrence |
Full Drive Unit Replacement - Motor + MCU assembly Minor | £2,500 - £4,000 | £1,500 - £2,500 | Replace entire electric motor and control unit assembly | Most comprehensive solution; recommended for high-mileage vehicles |
Our Recommendation
Best next step for motor control unit (mcu) failure
For 2011-2012 iOn models showing MCU-related faults, a reconditioned MCU replacement offers the best value. Given the iOn's low residual value (£2,000-£3,500), spending over £1,500 on repairs warrants careful consideration against vehicle worth.
Peugeot iOn Engine Problems
What It Costs to Fix & When Replacement Makes Sense
Affected Models
Peugeot iOn Active, Access, Allure (2011-2012, Y4F1 motor with MCU-001)
Typical Failure Mileage
40,000-70,000 miles
Root Cause
Internal power electronics failure in the inverter module, exacerbated by thermal cycling and known manufacturing defect covered by recall ZZZ.
Diagnostic & Software Reset - Check for fault codes and attempt reprogramming
Dealer
£150 - £300
Specialist
£95 - £200
OBD2 diagnostic scan, software update attempt
Only viable if failure is software-related; temporary fix for hardware faults
MCU Replacement - Reconditioned Unit - Swap faulty control module
Dealer
£1,200 - £2,000
Specialist
£600 - £1,200
Remove old MCU, install tested reconditioned unit with updated firmware
Restores full function; 12-month warranty covers recurrence
Full Drive Unit Replacement - Motor + MCU assembly
Dealer
£2,500 - £4,000
Specialist
£1,500 - £2,500
Replace entire electric motor and control unit assembly
Most comprehensive solution; recommended for high-mileage vehicles
Our Recommendation
Best next step for motor control unit (mcu) failure
For 2011-2012 iOn models showing MCU-related faults, a reconditioned MCU replacement offers the best value. Given the iOn's low residual value (£2,000-£3,500), spending over £1,500 on repairs warrants careful consideration against vehicle worth.
Disclaimer: All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EngineMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Peugeot iOn and motor code. Every motor supplied through EngineMarket carries a Peugeotmum 12‑month unlimited mileage warranty - always confirm exact terms with your chosen supplier.
12-Month Warranty
Upgraded Components
Nationwide UK Delivery
Save vs Main Dealer Price
Replacement Engine Options
Peugeot iOn Engine TypesOptions, Costs & What to Expect
Every electric motor type for the Peugeot iOn is available through our UK network, with typical price ranges based on variant, motor code Y4F1 and budget.
All motor types include a Peugeotmum 12‑month unlimited mileage warranty when sourced through EngineMarket. Prices are typical UK market ranges based on historical quote data from our network and depend on exact motor code, variant, mileage and supplier. Use our free comparison tool above - enter your registration to get tailored quotes for your specific Peugeot iOn within hours.
Engine Sizes
Peugeot iOn Engines by SizeFind the Right Displacement for Your Variant
Peugeot iOn Electric Motor Sizes
The sole powerplant for the Peugeot iOn, this permanent magnet synchronous motor delivers 48 PS (35 kW) through a single-speed reduction gearbox. Shared with the Mitsubishi i-MiEV and Citroën C-Zero platform, it offers quiet, instant torque delivery with minimal maintenance requirements compared to combustion engines. Not sure which motor specification your Peugeot iOn needs? Enter your registration number above - we'll identify the exact power rating, motor code and compatible replacement options instantly. All motors supplied through EngineMarket include a Peugeotmum 12‑month unlimited mileage warranty from UK Peugeot iOn specialists.
| Compatible Models (UK) | Active (2010-2016), Access (2010-2015), Allure (2011-2017), Enrolment |
| Production Years | 2012-2016 |
Common Failure Points
Watch for these known weak points
MCU recall ZZZ on 2011-2012 models, TCU grinding noises, 12V battery triggering HV errors
Not sure which motor specification your Peugeot iOn needs? Enter your registration number above - we'll identify the exact power rating, motor code and compatible replacement options instantly. All motors supplied through EngineMarket include a Peugeotmum 12‑month unlimited mileage warranty from UK Peugeot iOn specialists.
Fuel Type
Peugeot iOn Engines by Fuel Type
Peugeot iOn Electric (BEV) Motors
Peugeot iOn Electric (BEV) Motors
The Peugeot iOn is exclusively battery-electric, using a single 35kW permanent magnet synchronous motor shared across all variants and production years.
Common Peugeot iOn Electric Motor Families
Y4F1 - sole drive motor for all iOn variants, 48 PS output with reduction gearbox
MCU-001 - motor control unit/inverter, known failure point on 2011-2012 models (recall ZZZ)
TCU-001 - transmission control unit, failures cause grinding noises or limp mode
Found In
Generation 1 (2010-2017) - all variants use identical Y4F1 motor platform
Known For
Instant torque delivery with zero emissions driving
MCU recall ZZZ affecting early 2011-2012 production
High-voltage errors often triggered by 12V auxiliary battery failure
Low running costs but specialist repair requirements for HV systems
Typical Electric Models
Active
Access
Allure
Enrolment
Not sure which powertrain type your Peugeot iOn has? Enter your registration number above to instantly identify your motor code, battery system and compatible replacement options - all backed by a Peugeotmum 12‑month unlimited mileage warranty from UK Peugeot iOn specialists.
Engine Years
Peugeot iOn Engines by YearWhat Was Fitted & When
This section covers all motor specifications across the Peugeot iOn's production timeline, organised so owners can quickly identify their motor code and compare rebuilt prices from UK EV specialists.
2010 - 2012 - Launch Generation: Y4F1 Motor & Early MCU Issues
Major Engine Change
The iOn's debut years introduced the Y4F1 electric motor, but early production saw MCU failures triggering recall ZZZ.
Key Changes
Peugeot iOn launched in UK market alongside Citroën C-Zero and Mitsubishi i-MiEV
Single powertrain: Y4F1 35kW motor with 16 kWh lithium-ion battery
Recall ZZZ issued for Motor Control Unit (MCU) failures on 2011-2012 models
Y4F1 - 35kW electric motor (all variants)
MCU-001 - motor control unit (early production, recall affected)
TCU-001 - transmission control unit (all variants)
Known For
Instant torque and zero-emission urban driving
MCU recall ZZZ causing loss of power or charging capability
12V battery failures triggering false high-voltage system errors
Low residual values making repair cost decisions critical
Popular Models
Peugeot iOn Active
Peugeot iOn Access
Peugeot iOn Allure
Engine Codes Covered
Common Replacement Enquiries
Peugeot iOn MCU replacement
Peugeot iOn won't charge fix
Peugeot iOn loss of power repair
Get quotes for 2010-2012 Peugeot iOn replacement motors
2010 - 2012 - Launch Generation: Y4F1 Motor & Early MCU Issues
Major Engine Change
The iOn's debut years introduced the Y4F1 electric motor, but early production saw MCU failures triggering recall ZZZ.
Key Changes
Peugeot iOn launched in UK market alongside Citroën C-Zero and Mitsubishi i-MiEV
Single powertrain: Y4F1 35kW motor with 16 kWh lithium-ion battery
Recall ZZZ issued for Motor Control Unit (MCU) failures on 2011-2012 models
Y4F1 - 35kW electric motor (all variants)
MCU-001 - motor control unit (early production, recall affected)
TCU-001 - transmission control unit (all variants)
Known For
Instant torque and zero-emission urban driving
MCU recall ZZZ causing loss of power or charging capability
12V battery failures triggering false high-voltage system errors
Low residual values making repair cost decisions critical
Popular Models
Peugeot iOn Active
Peugeot iOn Access
Peugeot iOn Allure
Common Replacement Enquiries
Peugeot iOn MCU replacement
Peugeot iOn won't charge fix
Peugeot iOn loss of power repair
Get quotes for 2010-2012 Peugeot iOn replacement motors
Year Finder
Not sure which year your Peugeot IOn was built?
Not sure which year your Peugeot iOn was built? Enter your registration number and we'll identify the exact motor, model year, and compatible replacement options instantly - all backed by a Peugeotmum 12‑month warranty from UK Peugeot iOn specialists.
FAQ
Peugeot iOn Engine ReplacementFrequently Asked Questions
Question 1
How much does it cost to replace a Peugeot iOn electric motor?
Rebuilt Peugeot iOn electric motors typically cost £800-£2,000 supply-only, depending on whether you need the full Y4F1 motor unit or just the MCU/TCU control module. Supply & fit adds £300-£600 labour.
Key points
- • Full Y4F1 motor rebuild: £800-£2,000 supply-only
- • MCU replacement only: £600-£1,500 supply-only
- • TCU replacement only: £700-£1,800 supply-only
- • High-voltage certified fitting adds £300-£600 labour
- • All rebuilt units include 12-month unlimited mileage warranty
Question 2
Is the Peugeot iOn motor control unit recall still valid?
Yes, recall ZZZ for MCU failure on 2011-2012 Peugeot iOn models remains active. Contact Peugeot with your VIN to check eligibility for free repair or replacement.
Key points
- • Recall ZZZ affects MCU-001 units on 2011-2012 iOn models
- • Symptoms: loss of power, inability to restart or charge
- • Free repair/replacement available through Peugeot dealers
- • If out of warranty, rebuilt MCU costs £600-£1,500 supply-only
- • Always verify recall status before paying for MCU repair
Question 3
What causes the Peugeot iOn to show high-voltage errors?
Most HV errors on the iOn are triggered by the 12V auxiliary battery failing, not the main traction battery. Replacing the £95 12V battery often resolves the fault without expensive HV repairs.
Key points
- • 12V auxiliary battery powers HV system control electronics
- • Low 12V voltage prevents HV contactors from engaging
- • Replace 12V battery first before diagnosing HV components
- • Genuine HV faults require specialist diagnostic equipment
- • HV system work requires IMI Level 3 certified technicians
Question 4
Can I replace the Peugeot iOn motor myself?
No. Peugeot iOn high-voltage systems operate at over 300V DC and require IMI Level 3 certified technicians. Attempting DIY repairs risks severe electric shock and voids warranties.
Key points
- • HV systems exceed 300V DC - lethal voltage level
- • Legal requirement for certified technicians to work on HV systems
- • Specialist tools required for safe HV isolation and testing
- • Insurance may be invalidated by unqualified HV work
- • EngineMarket connects you with certified EV repair specialists
Question 5
How long does a Peugeot iOn electric motor last?
The Y4F1 motor itself often exceeds 100,000 miles with minimal maintenance. Most failures involve control electronics (MCU/TCU) or the 12V auxiliary system, not the motor windings.
Key points
- • Motor windings typically last 100,000+ miles with proper cooling
- • MCU/TCU control units are the most common failure points
- • Regular 12V battery replacement prevents false HV errors
- • Coolant system maintenance critical for motor longevity
- • Rebuilt motors with upgraded components can extend service life
Question 6
Is it worth replacing the motor on a low-value Peugeot iOn?
With iOn values typically £2,000-£3,500, spending £1,500+ on motor repair requires careful consideration. For reliable daily transport, a rebuilt motor with warranty often makes sense versus scrapping.
Key points
- • Compare repair cost against vehicle market value
- • Rebuilt motors with 12-month warranty offer peace of mind
- • Consider total cost of ownership versus alternative transport
- • Specialist repair costs are far below main dealer pricing
- • EngineMarket's comparison tool helps find best-value options
Question 7
What's the difference between MCU and TCU failure on the iOn?
MCU failure causes loss of power or charging capability; TCU failure causes grinding noises, slipping or emergency mode. Both require specialist diagnosis but have different repair approaches.
Key points
- • MCU: controls power delivery from battery to motor
- • TCU: manages single-speed reduction gearbox engagement
- • MCU faults often trigger charging system errors
- • TCU faults manifest as mechanical grinding or limp mode
- • Both control units are serviceable separately from main motor
Question 8
Does the Peugeot iOn share motors with Mitsubishi or Citroën?
Yes. The iOn, Mitsubishi i-MiEV and Citroën C-Zero share the identical Y4F1 motor platform, MCU and TCU components. Parts are cross-compatible across all three models.
Key points
- • Joint venture platform developed by Mitsubishi Motors
- • Y4F1 motor code identical across iOn, i-MiEV and C-Zero
- • MCU and TCU part numbers cross-reference between brands
- • Specialist suppliers can source compatible parts from any model
- • Always confirm variant compatibility when ordering replacement parts
Question 9
How do I find the motor code on my Peugeot iOn?
The Y4F1 motor code is stamped on the motor housing near the rear mounting point. MCU/TCU codes are on labels attached to the control unit casings. Your VIN can also decode the exact specification.
Key points
- • Motor code Y4F1 visible on motor housing rear face
- • MCU/TCU codes on white labels attached to control units
- • DVLA check via registration confirms variant and specification
- • Specialist suppliers can cross-reference VIN to exact parts
- • Take clear photos of codes when requesting quotes
Question 10
What warranty comes with a rebuilt Peugeot iOn motor?
All rebuilt motors supplied through EngineMarket include a minimum 12-month unlimited mileage warranty. Some specialists offer extended 24-month coverage for an additional cost.
Key points
- • Standard warranty: 12 months unlimited mileage
- • Covers parts and labour for warranty claims
- • Some suppliers offer 24-month extended coverage
- • Warranty valid at any UK garage, not just fitting specialist
- • Always confirm exact terms before completing purchase
Why Choose Us
Why UK Peugeot iOn Owners Trust EngineMarket
Find the best Peugeot IOn engine replacement near you
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