Engine Controls - MIL ON, DTC's P0671-3/P0674 Stored
28 12 06
December 20, 2012
2029514 *Supersedes T.B. V281203 dated October 24, 2012 to update outdated Golf labor operations.*
Vehicle Information
Condition
MIL ON, DTC(s) P0671, P0672, P0673 and/or P0674 Stored in ECM Fault Memory
Technical Background
Internal hardware issue of the glow plug relay may cause an over voltage supply to the glow plug(s) damaging the heating element (figures 1 and 2).
Production Solution
Improved glow plug relays implemented in production and spare parts.
Service
If faults P0671, P0672, P0673 and/or P0674 are stored in the ECM fault memory, replace the glow plug relay and the affected glow plug. See Repair Manual Group 28 in ElsaWeb.
Warranty
Required Parts and Tools
Additional Information
All part and service references provided in this Technical Bulletin are subject to change and/or removal.
Always check with your Parts Dept. and Repair Manuals for the latest information.