After engine install and some self induced issues the D2 runs great except I now Have the two green manual and sport trans mission lights flashing indicating limp home mode per the manual. During the test drive I had a cooler hose fail and pumped out some of the fluid. I serviced it and repaired the hose but now have this limp home issue. Will a hand held reader clear this fault? Manual says 40 warm up cycles will but that not good for the trans as it in third gear only per limp home mode.-----Neil

 

Charge your battery.
Replace it if it wont hold a charge.
When the trucks voltage gets to low the trans computer is the first one to be cut from power so it goes into "limp" mode.

 

For sure, check and or replace the battery/alternator if you voltage is not between 13.6 and 14.4 volts.