× 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: CUMMINS ISB 300 CODE 222
Posted to HD/Fleet Forum on 4/6/2010

Code 222. Ambient air pressure sensor circuit. The sensor is located under the lift pump. It is a 3 wire sensor and is only used on some 275 and all 300 Hp engines.

Low voltage is detected on pin 32 of the engine harness.

See topic 06T19-054 for an update ... Login to read more.