04 titan

hey everyone I am looking to buy a 04 nissan titan.I went and looked at one today crew cab 51,000 miles good cond. the only problem is all the warning lights are on(check engine,brake,slip,)and theres another one with three letters.the seller says its a recall is that possible?what type of problems should i be aware of with these type of trucks? besides the rear end diff.THANK YOU