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TDI 101 Got a simple/basic TDI question? Are you a newbie (new to the forums). Feel free to post your question here.

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Old April 24th, 2018, 05:30   #1726
denismccar
Newbie
 
Join Date: Jun 2016
Location: Saint Louis
Default Scan

4 Faults Found:

17055 - Cylinder 1 Glow Plug Circuit (Q10)
P0671 - 000 - Electrical Fault
Freeze Frame:
RPM: 882 /min
Torque: 60.0 Nm
Speed: 0.0 km/h
Load: 0.0 %
Voltage: 13.76 V
Bin. Bits: 00001100
Temperature: 23.4C
Bin. Bits: 10110000

17056 - Cylinder 2 Glow Plug Circuit (Q11)
P0672 - 000 - Electrical Fault
Freeze Frame:
RPM: 882 /min
Torque: 60.0 Nm
Speed: 0.0 km/h
Load: 0.0 %
Voltage: 13.76 V
Bin. Bits: 00001100
Temperature: 23.4C
Bin. Bits: 10110000

17057 - Cylinder 3 Glow Plug Circuit (Q12)
P0673 - 000 - Electrical Fault
Freeze Frame:
RPM: 882 /min
Torque: 60.0 Nm
Speed: 0.0 km/h
Load: 0.0 %
Voltage: 13.76 V
Bin. Bits: 00001100
Temperature: 23.4C
Bin. Bits: 10110000

17058 - Cylinder 4 Glow Plug Circuit (Q13)
P0674 - 000 - Electrical Fault
Freeze Frame:
RPM: 882 /min
Torque: 60.0 Nm
Speed: 0.0 km/h
Load: 0.0 %
Voltage: 13.76 V
Bin. Bits: 00001100
Temperature: 23.4C
Bin. Bits: 10110000
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Old April 24th, 2018, 06:54   #1727
Diesel-Dan1
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Join Date: Feb 2007
Location: Murphy, TX
TDI(s): 2002 Jetta
Fuel Economy: 48
Default

I just swapped in a good harness from my wrecked car. Still was getting MIL on cyl 2 glow plug. All plugs ohmed out within spec. Replace with Bosch plugs. Code gone. Take that for what it’s worth.

Bosch 80028/0250202022 Duraterm Glow Plug https://www.amazon.com/dp/B000CF5U76?ref=yo_pop_ma_swf
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WRECKED: 2002 Jetta TDi, 5 speed, 17" wheels, rebuilt head, VNT17, PP764's and Malone Stage 4

2002.5 Jetta TDi, 5 speed swap, unlocked ECM with small tune, Studs, Stage 2 cam. Slowing working stuff over from wrecked car.
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Old April 27th, 2018, 12:56   #1728
denismccar
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Join Date: Jun 2016
Location: Saint Louis
Default Glow plug relay/control mechanism testing

It seems the issue is that no power is going to the glow plugs with the coolant sensor off....fuse on battery is good.... I rechecked the wiring on the new harness and it that looks good (all the cable colors match perfectly)....I checked that there is continuity from the spliced in connections to the new harness (in case new harness had a break) So, I guess the relay/control mechanism is next possible issue.... other than buying a new one, is there a way to check the current relay/control mechanism.
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Old May 16th, 2018, 09:55   #1729
denismccar
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Join Date: Jun 2016
Location: Saint Louis
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Swapped out control/relay from my other tdi (same part number) and still no power to GP's. Control/relay works on other car with no codes thrown.
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Old May 16th, 2018, 11:49   #1730
Vince Waldon
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Join Date: Apr 2009
Location: Edmonton Alberta Canada
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Quote:
Originally Posted by denismccar View Post
Swapped out control/relay from my other tdi (same part number) and still no power to GP's. Control/relay works on other car with no codes thrown.
Glow plug fuse on top of the battery is OK? Tested with a meter as opposed to an eyeball?!
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Note: The above is to the best of my knowledge- but at the end of the day simply interweb opinion, worth EXACTLY what you paid for it, and if used done so at your own risk.
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Old May 20th, 2018, 21:15   #1731
MrAsano
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Join Date: May 2017
Location: Oceanside, CA
Fuel Economy: 40mph
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Please help me...I have the standard glow plug error with my check engine light.
Things I have done to fix the issue.

1. Change the 109 relay under the driver side steering wheel
2. Changed my glow plugs 2 times
3. Installed a new glow plug harness (2 wire)
4. Used DeoxIT on the glow plug harness
5. Checked the fuses in the fuse relay box that sits on the battery.

What else am I missing? I have a 99 TDI that was made on October 1998. It just seems like I'm chasing my tail with this.
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Old May 26th, 2018, 16:08   #1732
denismccar
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Join Date: Jun 2016
Location: Saint Louis
Default Glow Plugs No Power

Quote:
Originally Posted by Vince Waldon View Post
Glow plug fuse on top of the battery is OK? Tested with a meter as opposed to an eyeball?!
Yes, tested all 3 fuses with meter. Also checked contacts are clean and good...
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Old June 25th, 2018, 12:54   #1733
denismccar
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Join Date: Jun 2016
Location: Saint Louis
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Well, problem solved.....caused by my own hands lol. So, when I replaced the GP Harness instead of 'splicing' the new wires into the harness, I cut them and connected directly which obviously meant no communication was happening to the ecu. Once I went back and put it so that it was a splice in, all worked out (other than it taking forever to clear the 'Comprehensive' in Readiness. I feel such an idiot.
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