How do I clear my Allison code?

If codes continue to recur, bring the vehicle to an authorized Allison Transmission service outlet to diagnose and repair the problem causing the codes. Press and hold the MODE button for 10 seconds to clear both active and inactive codes.

What was the model year of the Allison MD3060?

Model Year 2004,Miles 3,600. Problem: Code d1 4215 according to Allison Short to Battery on D Solenoid. Did the test for shorts at the T harness pin 21 Low side driver and pin 1 high side driver, nothing found checked every other wire in the harness to see if shorting with 21 or 1 nothing found.

Why is my Allison MD3060 blank selector shifter not working?

The constant movement of the engine, caused pulling of the harness between the fixed and moveable points causing the sharp edges to cut into the insulation and subsiquently wire #N92A cutting off the power to terminals 1 and 16 of the ECU. Once this was repaired and installed the truck could then start and drive again.

Where is the transmission feed fuse on an Allison MD3060?

Found the problem. It was a 10 amp fuse on the trans the wiring harness. You may want to check like Tom, the Transmission feed fuse located on the battery box or in the VIM (Vehicle Interface Module) some where over the transmission on a cross bar.

How to check no power to Allison mh3000 shift pad?

Measure the contacts – normally closed is the non powered state and a ‘0″ resistance is the reading – the normally open state reads no resistance (infinity) One can power them using a good 9 volt battery to power the coil in most cases for the medium power relays – may not work for the high power contractors.