× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P3138 Diagnostic Trouble Code Discussion for June 2010

Collision Sensor High Input

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 P3138
Help Request Posted
2005 Audi A4 Quattro 2.0L MIL Lamp on VIN: WAUDF78E75
P3138: Intake flap for air flow control control difference. Vehicle came in with MIL on, codes P3138, P1098, no drivability problems. Confirmed ECM had latest software as per Audi [...]. Ran basic setting(block 142), failed. Confirmed connection, no issues, voltage supply and ground OK. Replaced flap motor, ran basic s...
June 18, 2010