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.
Car Problem Reports
Volkswagen Passat TDI Check Engine Light Due to Issues With Glow Plugs/Wiring Harness
Volkswagen Passat TDI Problem
Exhaust & Emissions Affected: 1.9L 4 Cylinder Diesel Turbo, 2.0L 4 Cylinder Diesel Turbo
Average Mileage: 132,664 mi (100,000 mi - 165,328 mi)
Visitor, 2004 Volkswagen Passat TDI, 165,328 mi
Check Engine light illuminates indicating an emissions issue. Code 2 glow plug problem. Waiting on dealership response.