Correct me if I'm wrong, but I didn't think the RRC had a BCM, I thought management was distributed through individual controls (window ECU, seat ECU, central locking ECU, alarm ECU, etc).
I agree with Tyler that it's the same behavior as locking with the door open, so I'm guessing faulty door switch makes the truck think it's open. Is your dome light on?
At least on the DII it is a different switch that tells whether or not the door is closed vs the switch that activates the dome light. I'm not sure with the D1 or RRC, but I would expect it would be similar, but I may be wrong.
Edited by lilcrawler, 04 May 2016 - 10:12 AM.