Gearbox auxiliary pump problem

[coops1968]

Hi everyone 

I've owned LS600HL 2008 for about five years now with no problems, now I have a big problem with gearbox auxilary pump , I have changed bearings in motor refitted to car cleared all codes still comes up with same code so replaced control module fault came up as high and low voltage code so got another comlete pump still same fault codes for each control module is their a way to bench test pump, I would be very grateful for any info 

 Best regards

    Chris 

[ambermarine]

17 hours ago, coops1968 said:

Hi everyone 

I've owned LS600HL 2008 for about five years now with no problems, now I have a big problem with gearbox auxilary pump , I have changed bearings in motor refitted to car cleared all codes still comes up with same code so replaced control module fault came up as high and low voltage code so got another comlete pump still same fault codes for each control module is their a way to bench test pump, I would be very grateful for any info 

 Best regards

    Chris 

Bite the bullit and take it to Lexus dealership and have it properly diagnosed.