Join Now
International Automotive Technicians Network

P0431 Diagnostic Trouble Code Discussion for November 2010

Warmup Catalyst System Efficiency Low (Bank 2)


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 P0431
Help Request Posted
2000 Volkswagen Passat GLS 2.8L MIL Lamp on VIN: WVWND23B1Y
P0431: Warmup catalyst efficiancy below threshold bank 2. A week or so after the car got its timing belt & water pump replaced, the MIL came on. Scanned it today and got the code listed above. The customer had just bought the car and a part of the deal was a discount for the t/belt job. I have turned the MIL of a...
November 18, 2010
2000 Volkswagen Passat GLS 2.8L MIL Lamp on VIN: WVWND23B1Y
P0431: Warmup catalyst efficiancy below threshold bank 2. A week or so after the car got its timing belt & water pump replaced, the MIL came on. Scanned it today and got the code listed above. The customer had just bought the car and a part of the deal was a discount for the t/belt job. I have turned the MIL of a...
November 18, 2010