Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
PDU - New Software Update: Overview
1991 Jaguar XJ-6 L6-4.0LSECTION Overview
PDU-11
New PDU Software - JTP626/2, JTP627/1 and
PDU to PC Download JTP628/1
MODEL
1990-94 MY Sedan Range DATE 8/98
1990-96 MY XJS Range
Introduction
The above new software versions replace all existing software releases. JTP626/2 contains all of the software for XJ6/XJ12 from 90 MY to 94 MY and XJS from 90 MY to 96 MY. This software was previously on PDU 5005 together with elements that were on PDU 1055 (e.g., datalogger, vehicle setup, vibration analyzer etc.).
JTP62711 contains all of the software for XJ6/XJ12 from 95 MY to 97 MY.
This software was previously on PDU 1055.
JTP628/1 contains a new version of the PDU to PC download software to replace PDU Capture Version 2 which is not compatible with JTP626 and JTP627
New PDU Software - JTP626/2, JTP627/1 and
PDU to PC Download JTP628/1
MODEL
1990-94 MY Sedan Range DATE 8/98
1990-96 MY XJS Range
Introduction
The above new software versions replace all existing software releases. JTP626/2 contains all of the software for XJ6/XJ12 from 90 MY to 94 MY and XJS from 90 MY to 96 MY. This software was previously on PDU 5005 together with elements that were on PDU 1055 (e.g., datalogger, vehicle setup, vibration analyzer etc.).
JTP62711 contains all of the software for XJ6/XJ12 from 95 MY to 97 MY.
This software was previously on PDU 1055.
JTP628/1 contains a new version of the PDU to PC download software to replace PDU Capture Version 2 which is not compatible with JTP626 and JTP627
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.