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Bobcat Skidsteer Forums
Bobcat Compact Track Loaders
2018 T770 multiple codes
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<blockquote data-quote="brdgbldr" data-source="post: 126730" data-attributes="member: 7474"><p>From what I have learned, most multiple code problems stem from bad connections.</p><p></p><p>I have worked on machines where the operator has told me over the phone that the battery connections are good. I check them by removing them and find the connections corroded and filthy. Clean them and all the codes disappear. Or the battery wires are not in good condition. Change them out and and the problem goes away.</p><p></p><p>I'm not trying to say that this is always the case but a lot of time it is.</p><p></p><p>Also, rub throughs on the harnesses are common especially at factory tie down points. People are reluctant to cut the tie and inspect the wire.</p><p></p><p>Another factory issue was that they painted the frame at the grounding points and then connected the ground wire. The ground wire needs to be removed and then the paint sanded off to bare steel before reinstalling it.</p><p></p><p>Another good thing to inspect closely is the auxiliary electrical wire harness. This plugs into the same place as the Techs diagnostic computer, above the battery. If this harness has a short it messes with the machines computer.</p><p></p><p>I absolutely hate electrical problems on these machines. Everybody says that it's just the nature of hard used heavy equipment but my off-road pickup gets used just as hard and I never have these problems with it. </p><p>It's just really poor design and engineering.</p></blockquote><p></p>
[QUOTE="brdgbldr, post: 126730, member: 7474"] From what I have learned, most multiple code problems stem from bad connections. I have worked on machines where the operator has told me over the phone that the battery connections are good. I check them by removing them and find the connections corroded and filthy. Clean them and all the codes disappear. Or the battery wires are not in good condition. Change them out and and the problem goes away. I‘m not trying to say that this is always the case but a lot of time it is. Also, rub throughs on the harnesses are common especially at factory tie down points. People are reluctant to cut the tie and inspect the wire. Another factory issue was that they painted the frame at the grounding points and then connected the ground wire. The ground wire needs to be removed and then the paint sanded off to bare steel before reinstalling it. Another good thing to inspect closely is the auxiliary electrical wire harness. This plugs into the same place as the Techs diagnostic computer, above the battery. If this harness has a short it messes with the machines computer. I absolutely hate electrical problems on these machines. Everybody says that it’s just the nature of hard used heavy equipment but my off-road pickup gets used just as hard and I never have these problems with it. It’s just really poor design and engineering. [/QUOTE]
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2018 T770 multiple codes
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