F 250 4WD Super Duty V8-6.4L DSL Turbo (2008)
DTC B2A39 (Puddle Lamp Output Circuit Open) - is an on-demand DTC that sets when the SJB detects an open from the cargo lamp lighting circuit.
DTC B2A3A (Puddle Lamp Output Circuit Short To Ground) - is a continuous and on-demand DTC that sets when the SJB detects a short to ground
from the cargo lamp circuit. The DTC also sets as a result when the SJB fuse 10 (15A) has failed or is removed.
This pinpoint test is intended to diagnose the following:
-
Fuse
-
Wiring, terminals or connectors
-
Cargo lamp
-
SJB
G1
G2-G3
Test H: The Running Board Lamp(s) Are Inoperative (The Cargo Lamp Operates)
