Blue88Comanche Posted December 17, 2011 Share Posted December 17, 2011 My room mate's 01 grand Cherokee limited 4.0L was throwing the engine code 9.... any help? Link to comment Share on other sites More sharing options...
Automan2164 Posted December 17, 2011 Share Posted December 17, 2011 9 what? Engine codes should start with a P for powertrain, followed by 4 numbers. Rob Link to comment Share on other sites More sharing options...
Blue88Comanche Posted December 17, 2011 Author Share Posted December 17, 2011 thats what the engine code said on the reader was "9... hydraulic pump circuit malfunction" (just asked Robert what the reader said) power steering works, and has oil pressure. what other hydraulic pumps are there? Link to comment Share on other sites More sharing options...
Automan2164 Posted December 17, 2011 Share Posted December 17, 2011 What is he using to pull the codes? Might be manufacturer specific, and not released to the generics. As far as hydraulic pumps go... The trans has a pretty expensive one that would have a pressure monitor on it. Rob Link to comment Share on other sites More sharing options...
Blue88Comanche Posted December 18, 2011 Author Share Posted December 18, 2011 we used the one at the auto parts store.. we are hoping that it is not something too expensive to fix :hmm: Link to comment Share on other sites More sharing options...
Automan2164 Posted December 18, 2011 Share Posted December 18, 2011 Has he tried cycling the key on-off 3 times? I am not sure if it will show the codes on his, but it might. I don't know if they did that in 2001. That scanner at the auto parts store sounds shifty. Rob Link to comment Share on other sites More sharing options...
HOrnbrod Posted December 18, 2011 Share Posted December 18, 2011 Has he tried cycling the key on-off 3 times? I am not sure if it will show the codes on his, but it might. I don't know if they did that in 2001. That scanner at the auto parts store sounds shifty. Rob That's for OBDI only. Link to comment Share on other sites More sharing options...
Automan2164 Posted December 18, 2011 Share Posted December 18, 2011 Has he tried cycling the key on-off 3 times? I am not sure if it will show the codes on his, but it might. I don't know if they did that in 2001. That scanner at the auto parts store sounds shifty. Rob That's for OBDI only. Not often I get to prove the man wrong, but... http://www.wjjeeps.com/faultcodes.htm I thought it had the capability, and turns out I was right. Put that in your HL and smoke it. :D Rob Link to comment Share on other sites More sharing options...
HOrnbrod Posted December 18, 2011 Share Posted December 18, 2011 Not often I get to prove the man wrong, but... http://www.wjjeeps.com/faultcodes.htm I thought it had the capability, and turns out I was right. Put that in your HL and smoke it. :D Rob It's a good day when you learn something - gracias. I said that because I tried it on my 01 XJ and it didn't work. Nothing happened. :dunno: But this old dog is never too old to learn, and my next six HLs are dedicated to you Rob. :cheers: Link to comment Share on other sites More sharing options...
shelbyluvv Posted December 18, 2011 Share Posted December 18, 2011 Not often I get to prove the man wrong, but... http://www.wjjeeps.com/faultcodes.htm I thought it had the capability, and turns out I was right. Put that in your HL and smoke it. :D Rob It's a good day when you learn something - gracias. I said that because I tried it on my 01 XJ and it didn't work. Nothing happened. :dunno: But this old dog is never too old to learn, and my next six HLs are dedicated to you Rob. :cheers: My 2000 XJ would not do it either. But, my 04 WJ and 07 Cummins both do it. :dunno: Link to comment Share on other sites More sharing options...
HOrnbrod Posted December 18, 2011 Share Posted December 18, 2011 Interesting Bo. Also had a 96 XJ I bought new from AAFES in Guam on which I tried it several times with nada result. :dunno: Not worth pursuing the why............. Link to comment Share on other sites More sharing options...
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