Passat TDI

Check Engine Light Due to Issues With Glow Plugs/Wiring Harness on Volkswagen Passat TDI

Problem Description and Possible Solution

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.

    Problem Data
    RepairPal Verified
    Average mileage: 127,109 (100,000–165,328)
    Exhaust & Emissions affected: 1.9L 4 Cylinder Diesel Turbo, 2.0L 4 Cylinder Diesel Turbo
    4 model years affected: 1996, 1997, 2004, 2005
    7 people reported this problem
    Viewing 1 - 2 of 2 comments
    after 30 seconds from start, check engine light is steady on. glow plug light blinks heart beat rhythm. engine has minimal power stills runs on all four cyl.
    Check Engine light illuminates indicating an emissions issue. Code 2 glow plug problem. Waiting on dealership response.