Bully Dog 42213 Dodge Ram 2500-3500 6.7L 2013 - Manual (Page 5)

4
PCM UNLOCK
IMPORTANT : Failure to keep button depressed while
lifting the lever will result in broken a PCM lever and/or
bent pins on the PCM.
Pull PCM Wiring Harness Connector completely away
from PCM and push the connector out of the way when
it is released.
2. Repeat Step B1 for the other PCM Wiring Harness
Connector.
C: Removing the PCM
1. First remove the top bolt towards the rear of the vehicle
on the PCM with a 10mm open end wrench. This is the
most difficult bolt to reach.
2. Remove both of the bottom bolts.
IMPORTANT: Keep release button depressed while pulling the release lever
release button