Ross-Tech support, have advised me that my harness may be faulty, based on the codes I sent them.

Address 01: Engine Labels: Redir Fail!
Part No SW: 4F2 910 402 C HW: 4F0 907 401 B
Component: 2.7L V6TDI G000SG 0010
Revision: --H01--- Serial number:
Coding: 0011322
Shop #: WSC 00411 210 81348
VCID: 1F4D3E5ECE1FC0E0391

5 Faults Found:
005658 - Glowplug for Cylinder 1 (Q10)
P161A - 001 - Open Circuit
Freeze Frame:
Fault Status: 01110001
Fault Priority: 0
Fault Frequency: 1
Mileage: 213310 km
Time Indication: 0
Date: 2013.06.04
Time: 15:13:21

Freeze Frame:
RPM: 798 /min
Torque: 74.1 Nm
Speed: 0.0 km/h
Duty Cycle: 1.0 %
Voltage: 13.98 V
Duty Cycle: 23.7 %
Temperature: 17.1°C

005659 - Glowplug for Cylinder 2 (Q11)
P161B - 001 - Open Circuit
Freeze Frame:
Fault Status: 01110001
Fault Priority: 0
Fault Frequency: 1
Mileage: 213310 km
Time Indication: 0
Date: 2013.06.04
Time: 15:13:21

Freeze Frame:
RPM: 798 /min
Torque: 74.1 Nm
Speed: 0.0 km/h
Duty Cycle: 1.0 %
Voltage: 13.98 V
Duty Cycle: 23.7 %
Temperature: 17.1°C

005660 - Glowplug for Cylinder 3 (Q12)
P161C - 001 - Open Circuit
Freeze Frame:
Fault Status: 01110001
Fault Priority: 0
Fault Frequency: 1
Mileage: 213310 km
Time Indication: 0
Date: 2013.06.04
Time: 15:13:21

Freeze Frame:
RPM: 798 /min
Torque: 74.1 Nm
Speed: 0.0 km/h
Duty Cycle: 1.0 %
Voltage: 13.98 V
Duty Cycle: 23.7 %
Temperature: 17.1°C

005662 - Glowplug for Cylinder 5 (Q15)
P161E - 001 - Open Circuit
Freeze Frame:
Fault Status: 01110001
Fault Priority: 0
Fault Frequency: 1
Mileage: 213310 km
Time Indication: 0
Date: 2013.06.04
Time: 15:13:21

Freeze Frame:
RPM: 798 /min
Torque: 74.1 Nm
Speed: 0.0 km/h
Duty Cycle: 1.0 %
Voltage: 13.98 V
Duty Cycle: 23.7 %
Temperature: 17.1°C

005661 - Glowplug for Cylinder 4 (Q13)
P161D - 001 - Open Circuit
Freeze Frame:
Fault Status: 01110001
Fault Priority: 0
Fault Frequency: 2
Mileage: 213310 km
Time Indication: 0
Date: 2013.06.04
Time: 15:13:41

Freeze Frame:
RPM: 714 /min
Torque: 124.8 Nm
Speed: 0.0 km/h
Duty Cycle: 1.0 %
Voltage: 13.98 V
Duty Cycle: 14.2 %
Temperature: 17.1°C

Readiness: 0 0 0 0 0

So my question is; has anybody replaced the harness and/or know a way to test the harness?