Thread: Electrical faults after D4 3.0 body R&R

Originally Posted by DiscoJeffster

You could probably buy one and resell the old one for minimal changeover.

I often see GAP tools being sold second hand for nearly what a new one is worth direct from GAP, so I'd believe it.

Thanks Eric for the offer to help.

I'll probably buy a G4 IIDtool that I most likely would have eventually bought for my L405, to use initially on the D4 to do the turbine ECM calibration then transfer the G4 to my L405 at minimal cost. The G2 that is currently licensed to the D4 can then stay with the D4. My son has contacted Gap to check that the G4 is programmed to do the calibration, being mindful that 2 wires in the diagnostic connector have to be removed for the G4 to work with the D4 at all.

Also I need to have confirmed that the G4 will set my L405's stop-start switch on start-up to as-last-used rather than on and that the G4 can disable the automatic park brake engagement when Park is selected, which currently are the only reasons for wanting a G4 as my G2 reads and clears the L405's faults. I tried my L405 without MHEV operating to prevent stop-start, but didn't like the reduced engine braking, poorer off the mark smoothness and increased fuel consumption so have returned to switching off stop-start on start-up.

PS I still have my MSV-2 Extreme but the PC software doesn't support turbine calibration and the software hasn't been updated by BB for many years, so no chance of using that.