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If you clear the codes does it come right back? Do you have any other sub information codes or any way to check the hybrid control computer?
Does your scan tool give you the option to display sub information codes they are three digit codes that help isolate what this code specifically is being set for? Has there been any work done to the vehicle recently or has it been an accident recently?
Any recent work?
What have you tested or checked already? Do you have a volt/ohmmeter?
Do you have a link to that question?