Join Now
International Automotive Technicians Network

P3105 Diagnostic Trouble Code Discussion for June 2009

Battery ECU Communication Circuit Malfunction


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P3105
Help Request Posted
2001 Volkswagen Jetta TDI 1.9L MIL Lamp on, sluggish VIN: 3VWSP29M31
P3105: valve flap for intake manifold N239- open or short to ground. ... that the glow plug relay had fixed it. Before the I put in the relay, no codes would clear, all were back instantly. Found shorted wires in N239 circuit, repaired, codes still would not clear. Tested for P1549 code only: measured B+ to the solonoid, unplug...
June 10, 2009
2001 Volkswagen Jetta TDI 1.9L MIL Lamp on, sluggish VIN: 3VWSP29M31
P3105: valve flap for intake manifold N239- open or short to ground. ... that the glow plug relay had fixed it. Before the I put in the relay, no codes would clear, all were back instantly. Found shorted wires in N239 circuit, repaired, codes still would not clear. Tested for P1549 code only: measured B+ to the solonoid, unplug...
June 10, 2009