New BCM Module JPLA-14F041-BJ-JLR Brand

Product Overview

When the factory‑installed BCM fails—often due to water ingress, corrosion of the CAN‑bus lines or a severe power surge—the vehicle loses centralised control of lighting, door locks, interior electronics and the immobiliser. Therefore, the JPLA‑14F041‑BJ module is the OEM‑specified replacement that re‑establishes all of those functions without any hardware compromises.

Because the part is stamped with the JLR brand and carries the original part number, it can be programmed directly with the standard JLR diagnostic tools (Techstream, IDS or SX‑Tool) and does not affect the vehicle’s warranty when installed by an authorised technician.

Technical Specification

• Part Number: JPLA‑14F041‑BJ
• Voltage: 12 V nominal; operating range 10 V‑16 V
• Communication: CAN‑high (500 kbps) and CAN‑low (500 kbps) bus
• Supported Functions: Central locking, interior/exterior lighting, wiper control, mirror memory, door‑ajar detection, immobiliser, HVAC‑zone control, telematics gateway
• Software Compatibility: JLR ECU firmware ≥ 3.5 (see compatibility matrix)
• Physical Dimensions: 120 mm × 80 mm × 30 mm (L × W × H)
• Connector: 20‑pin waterproof plug (ISO‑T‑2 standard)
• Operating Temperature: –40 °C to +85 °C

Key Features

• OEM‑grade JLR part number guarantees fit‑ment and functional parity with the factory unit.
• Integrated fault‑logging registers simplify post‑install diagnostics.
• Fully compatible with JLR’s over‑the‑air (OTA) update platform.
• Designed for easy plug‑in replacement; no soldering required.
• Maintains original security ID, therefore the vehicle’s immobiliser continues to operate with existing keys.
• Compatible with both InControl Touch‑2 and InControl Premium infotainment architectures.

Why Replace the BCM with JPLA‑14F041‑BJ?

First, a malfunctioning BCM disables multiple vehicle systems, which can lead to safety‑critical failures (e.g., loss of door‑lock control or inability to deactivate the alarm).

Second, using an aftermarket or refurbished module often introduces mismatched firmware versions, causing communication errors on the CAN bus.

In contrast, the genuine JPLA‑14F041‑BJ restores the original software baseline, thereby eliminating spurious DTCs (Diagnostic Trouble Codes) and preserving the vehicle’s CAN‑network integrity.

Finally, because the part is JLR‑approved, the warranty remains valid when the module is installed by a certified dealer or an authorised workshop.

Installation & Programming Checklist

1. Preparation: Disconnect the battery for at least 10 seconds to protect the CAN bus.
2. Removal: Locate the BCM (typically under the passenger footwell or behind the glovebox) and disconnect the 20‑pin waterproof connector.
3. Replacement: Insert the new JPLA‑14F041‑BJ module, ensuring the connector seats fully and the retaining clip engages.
4. Connection: Re‑connect the battery and launch JLR Techstream, IDS or SX‑Tool.
5. Programming: Select Control Unit → BCM → Write Calibration and upload the supplied BCM_JPLA_14F041_BJ.act file.
6. Verification: After the write completes, run a full BCM diagnostic scan. All previous DTCs should be cleared and the module status must read “OK”.
7. Functional Test: Verify door lock/unlock, interior lighting, wipers, and the immobiliser’s key‑recognition function.

If any step fails, simply repeat the checksum verification or consult the attached troubleshooting matrix.

Fit‑ment Matrix (Selected Models)

For a complete VIN‑based compatibility list, download the full chart from the “Resources” tab after purchase.

Who Should Order This Module?

• Authorized Jaguar Land Rover dealerships seeking an OEM‑approved BCM replacement.
• Independent workshops equipped with JLR diagnostic software.
• Fleet managers dealing with large‑scale BCM failures across multiple vehicles.
• Owners of affected models who prefer a single, brand‑new component rather than a refurbished unit.

Product Benefits

The JPLA‑14F041‑BJ module restores full vehicle functionality in a single service bay visit, thereby reducing downtime and labour costs. Moreover, because the part is genuine JLR hardware, it integrates flawlessly with OTA updates and future software releases.

Finally, the module’s built‑in fault‑logging capability provides technicians with quick insight into any secondary issues that may arise after installation.

Product Details

• Product Name: New BCM Module JPLA‑14F041‑BJ – JLR Brand
• Category: Body Control Module (OEM replacement)
• Brand: Jaguar Land Rover (official)
• Part Number: JPLA‑14F041‑BJ
• Included: BCM unit, mounting hardware, PDF installation guide, coding file (.act)
• Supported Vehicles: Selected Jaguar Land Rover models (2015‑2024) – see fit‑ment matrix
• Delivery: Physical unit shipped via DHL/UPS; digital files available for immediate download after purchase
• Installation Requirement: JLR Techstream, IDS or SX‑Tool

SEO Short Description

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FAQ

Do I need to re‑program the immobiliser after installing the new BCM?

No. The genuine JPLA‑14F041‑BJ retains the original security ID, so existing keys continue to operate without additional programming.

Will replacing the BCM affect my vehicle’s warranty?

When the module is installed by an authorised dealer or a certified workshop using JLR Techstream/IDS/SX‑Tool, the warranty remains intact.

Can I install the module myself?

Technically, yes, provided you have the required tools (JLR diagnostic interface) and are comfortable working with the vehicle’s CAN bus. However, we recommend professional installation to guarantee warranty compliance.

Is the JPLA‑14F041‑BJ compatible with both 315 MHz and 434 MHz key systems?

Yes. The BCM does not control key frequency; it merely passes the immobiliser signal. Therefore, it works with both 315 MHz and 434 MHz key configurations.

What is the typical labour time for a BCM replacement?

Approximately 45 minutes for removal, installation and programming when performed by a trained technician.