So my PD170 develop rough idle after cold weather we had recently. I did change glow plug module but didn't helped. That`s the only codes I had on VCDS. Any ideas?
001652 - Cylinder 4 Glow Plug Circuit (Q13)
P0674 - 006 - Electrical Fault - Intermittent - MIL ON
Freeze Frame:
Fault Status: 10100001
Fault Priority: 1
Fault Frequency: 5
Reset counter: 40
Mileage: 430258 km
Time Indication: 0
Date: 2000.00.00
Time: 10:40:55
Freeze Frame:
RPM: 288 /min
Torque: 120.0 Nm
Speed: 0.0 km/h
0.00 %
Voltage: 13.90 V
Bin. Bits: 10110000
Temperature: 2.0°C
001648 - Glow Plug Module 1; Glow Plug Circuit
P0670 - 007 - Electrical Malfunction - Intermittent
Freeze Frame:
Fault Status: 00000010
Fault Priority: 1
Fault Frequency: 3
Reset counter: 40
Mileage: 430259 km
Time Indication: 0
Date: 2000.00.00
Time: 13:22:33
Freeze Frame:
RPM: 0 /min
Torque: 144.0 Nm
Speed: 0.0 km/h
0.00 %
Voltage: 13.90 V
Bin. Bits: 10110000
Temperature: 2.0°C