What did you ever find out on this?
Mine has the same code. I need to check hoses yet but thought i'd be armed with as much info as I can
2000 WJ- 4.7L HO swap, 247, 4" tera-flex lift, 32's, KOR Rock Rails, IRO Skid, etc...
2007 VW Touareg V10 TDI gobs of torque!
2004 Audi A8L Luxobarge
2008 Z06 cammed and slammed