Direct Current To Direct Current (Dc/Dc) Operational Test Workflow Update (SSM76286)

Publication date: 2025-03-13
Reference number: SSM76286

DIRECT CURRENT TO DIRECT CURRENT (DC/DC) OPERATIONAL TEST WORKFLOW UPDATE

TECHNICAL SERVICE BULLETIN

Reference Number(s): SSM76286, Date of Issue: March 13, 2025

JAGUAR:	E-PACE/X540; F-PACE/X761; XE/X760; XF/X260
SERVICE CATEGORY:	Electrical

SITUATION

An updated TOPIx Test Plan has been created for the 'Electric Power Inverter Converter (EPICD), also known as the Direct Current to Direct Current Converter (DC/DC).

The following test has been created:

EPICD - Direct Current To Direct Current (DC/DC) Operational Test

This test replaces:

EPICD - Direct Current To Direct Current (DC/DC) Operational Test part 1
EPICD - Direct Current To Direct Current (DC/DC) Operational Test part 2

ACTION

Refer to the service information below.

SERVICE INFORMATION

Connect the approved JLR Battery Support Unit (BSU)
Connect the approved JLR diagnostic equipment
Select Fault and Breakdown and start a new Workflow

Enter one of the following symptoms:

Powertrain -> Engine -> Starting System -> Engine Will Not Crank
Electrical -> Battery and Charging System -> Low Voltage System (12V) -> Discharged Battery
Powertrain -> Warnings -> Warning Message -> Stop Safely Electrical Fault Detected

The following Test Plan will be offered:

EPICD - Direct Current To Direct Current (DC/DC) Operational Test

Complete the Test Plan, following any on-screen instructions.

(Ref 000394423/4241)