Problem Reports
Volkswagen Jetta TDI
Report: Check Engine Light Due to Issues With Glow Plugs/Wiring Harness
Volkswagen Jetta TDI Problem
Model Years Affected: 1997, 1998, 1999, 2001, 2004, 2005, 2006
Exhaust & Emissions Affected: 1.9L 4 Cylinder Diesel Turbo
Average Mileage: 131,178 mi (41,000 mi - 260,000 mi)
Because of issues with the glow plugs and/or the glow plug wiring harness from the control relay, the Check Engine Light may illuminate. Our technicians tell us there is a service bulletin, not a recall from Volkswagen regarding replacement of the glow plugs on 2004-2005 model years only.
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Report #1surfohio, 1998 Volkswagen Jetta TDI, 260,000 mi
Rookiecheck engine light is on when hooked to the computer glow plug failure is the problem.
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Report #2drdave206, 2001 Volkswagen Jetta TDI, 173,000 mi
Rookienewer glow plugs, new relay and tech says it's the harness
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Report #3Visitor, 2001 Volkswagen Jetta TDI, 187,000 mi
Check Engine light came on, thought it was a glow plug, ended up being the entire harness.
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Report #4faa mech, 2006 Volkswagen Jetta TDI, 41,000 mi
Rookierough start or will not start in cold weather. My comp. scanner read code " #1 glow -plug " dealer suggested maybe relay board, we sold a lot lately. but would garentee this would fix the problem. So I don't trust them working on my car, I bought new from them.
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Report #5Visitor, 2006 Volkswagen Jetta TDI, 76,000 mi
loss of power, check engine light comes on, sporatic glow plug light blinking, but nothing consistant
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Report #6Visitor, 2006 Volkswagen Jetta TDI, 90,000 mi
just had timing belt and water pump replacement. 12 hours later, I now have a #2 glow plug issue. Could it be somethihg the dealer did?
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Report #7aldteach, 2005 Volkswagen Jetta TDI, 102,500 mi
Enthusiastcame on recently
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Report #8
RookieI have had this problem at least 3 times. They say that the problem can't be isolated, so all glow plugs and harness were replaced.
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Report #9Visitor, 2006 Volkswagen Jetta TDI, 86,000 mi
check engin light on, am told the diagnotsic says its a glow plug, will know more tomorrow.
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Report #10Visitor, 2004 Volkswagen Jetta TDI, 130,000 mi
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Report #11Visitor, 2006 Volkswagen Jetta TDI
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Report #12Visitor, 2004 Volkswagen Jetta TDI, 110,000 mi
Dealer replaced all glowplugs under VW recall
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Report #13careydouble, 1997 Volkswagen Jetta TDI, 166,000 mi
RookieCheck engine light on with Glow plug dtc. Checked glow plugs, relay, continuity. No fix?
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Report #14Visitor, 1998 Volkswagen Jetta TDI, 205,000 mi
check engine light on and wont come off.. having glo plugs & harness replaced.. hopefully fixes prob..
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Report #15
Rookiecheck engine light stays on no matter what maintenace done and has been taking up to three times to start, then sounds rough for 10-15 min. of idle/drive time.
I just had to replace my ENGINE! AAAGGGHHH Due to blown piston in my 2003/04 jetta desiel wagon. 4/4/2011 and now new different engine same mileageyear put in and has diffucult starts. I'm freaking out it cost me 4,000 to put in different engine.Flag ThisLike0 -
Report #16Visitor, 2006 Volkswagen Jetta TDI, 111,000 mi
Check Engine Light came on. THought the harness would have to be replaced. Technician rotated the glow plugs and found one to be faulty. REplaced it, reset the check engine light and all has been well for the past 10,000km.
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Report #17Joey2000, 2006 Volkswagen Jetta TDI, 99,000 mi
RookieHasn't been fixed. Replaced glow plugs(as recommended ) Diagnosis was to repace #2 plug
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