This should help you out - http://www.cumminsforum.com/forum/6-7l-powertrain/44021-6-7-dtcs.html
Sounds like your truck went into Limp Mode. May be due to a full DPF, bad turbo? or something else.
Sounds like your truck went into Limp Mode. May be due to a full DPF, bad turbo? or something else.