How do I fix a 989L00 error code on a Komatsu PC120-11?

Mr. McTuggart

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144
I'm getting a 989L00 error code on my Komatsu PC120-11, and now the engine won't start at all.

Has anyone run into this code before? I'm not sure if it's a sensor issue, wiring problem, or something more serious. Any advice on where to start troubleshooting would be greatly appreciated.
 
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