Possible Causes
ATTEMPT TO COMMUNICATE WITH THE BCM
FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
GROUND CIRCUIT OPEN
AUTOMATIC TEMPERATURE CONTROL HEAD
PCI BUS CIRCUIT OPEN
BODY CONTROL MODULE
ATTEMPT TO COMMUNICATE WITH THE BCM
FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
GROUND CIRCUIT OPEN
AUTOMATIC TEMPERATURE CONTROL HEAD
PCI BUS CIRCUIT OPEN
BODY CONTROL MODULE