× 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
Re: Pattern failure p0157b in fleet vans
Posted to Technical Discussion Forum on 3/10/2017 1 Reply

[...trimmed text...]

I have a theory that it may be driver induced. If you look at the actual BPS voltage on the scanner and lift up on the brake pedal slightly, you will see it go below baseline voltage. If you have a d... Login to read more.

1 Replies Received (View Replies)