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Land Rover

Defender Hybrid Battery

2020-Present

Rugged hybrid battery service for Land Rover Defender PHEV (P400e) and MHEV models. Expert reconditioning for this iconic off-road vehicle with comprehensive warranty.

PHEV Model

P400e

MHEV System

48V Technology

Warranty

6-24 Months

Off-Road

Adventure Ready

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Miami, Florida, USA - December 07, 2024: 2025 Land Rover Defender SUV pickup truck. Luxury SUV car of Land Rover Defender. Car of Land Rover parked outdoor. Land Rover Defender, corner view.
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Defender
Technical Specifications

Defender Battery Systems

Comprehensive battery specifications for Land Rover Defender PHEV and MHEV hybrid systems

Battery Type

Lithium-ion NCM (Nickel Cobalt Manganese)

Voltage

~320-400V DC

Capacity

19.2 kWh (usable ~17 kWh)

Electric Range

Up to 43 km (WLTP)

Charging Time

7 kW: ~2.5 hours
2.3 kW: ~6.5 hours

Models

P400e (90, 110, 130)

Common PHEV Battery Issues

  • P0A1F-49 Code: Battery Energy Control Module (BECM) internal failure - memory corruption or processor fatigue on BECM board. Requires BECM replacement (LR137929/LR175174), not entire battery pack. BECM is VIN-locked and requires TOPIx Cloud "Replace ECU" routine for pairing.
  • P0AA0-66 Code: HV battery contactor circuit fault causing "Charging System Fault" - often related to CSC (Cell Supervision Circuit) board failures or contactor welding
  • P0B3C/P0B3F Codes: Cell Supervision Circuit (CSC) board failure showing erratic voltage readings. Modular CSC boards can be replaced individually without full pack replacement.
  • Charging Issues: Intermittent charging due to contactor failures, HV coolant pump failure (LR059341), or auxiliary 12V battery (LR132266) preventing "Ready" mode
  • Dead Battery Revival: Battery below contactor threshold requires "bootstrapping" - BSU at 13.5V/100A + TOPIx "Rescue Charge" to force contactors closed

Professional JLR Diagnostic Equipment

We use official Jaguar Land Rover diagnostic tools for accurate diagnosis and programming:

TOPIx Cloud

Official JLR diagnostic system

Pathfinder

Technical repair information

SDD (IDS)

Symptom Driven Diagnostics

Certified Techs

JLR-trained specialists

Our Service Process

Defender Hybrid Battery Service & Repair

Professional battery reconditioning and replacement service with comprehensive warranty coverage

1

Diagnostic Scan

Complete diagnostic scan using official JLR TOPIx Cloud or SDD equipment to identify fault codes and battery health

2

Battery Testing

Individual cell voltage testing, capacity assessment, and isolation resistance checks to determine repair feasibility

3

Reconditioning

Replace failed cells, balance pack, update Battery Management System (BMS) programming with JLR software

4

Testing & Warranty

Final testing, road test verification, clear fault codes, and provide comprehensive warranty coverage

Warranty Options

Choose the warranty coverage that suits your needs

6 Month

Basic Coverage

  • Parts & labour warranty
  • Battery cell coverage
  • Most affordable option
POPULAR

12 Month

Standard Coverage

  • Comprehensive warranty
  • All components covered
  • Best value for money

24 Month

Premium Coverage

  • Extended protection
  • Maximum peace of mind
  • Long-term reliability

Why Choose Us for Your Land Rover?

Specialist JLR hybrid battery service you can trust

JLR Certified

Official diagnostic equipment

Expert Technicians

Specialized JLR training

Competitive Pricing

Up to 70% less than dealer

UK Coverage

Service across the UK

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