C1B1903
Door status
signal, pulse
width
modulated
failures
Incorrect software
loaded to air
suspension control
module
Central junction box
to air suspension
module harness
wiring: short circuit
to ground, short
circuit to power, high
resistance
Central junction box
fault
Refer to the guided diagnostic routine for this code on the
approved diagnostic system.
C1B211C
Compressor
brush card
temperature
sensor circuit,
voltage out of
range
Compressor brush
card temperature
sensor harness
wiring: short circuit
to ground, short
circuit to power, high
resistance
Compressor brush
card temperature
sensor failure
Air suspension
control module
failure
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. Refer to the warranty policy and
procedures manual if a module is suspect.
U007388
CAN bus fault,
bus off
CAN bus
connections short
circuit to each other
Communications Network
U010087
Lost
communication
with engine
control module
(ECM)
CAN bus fault
ECM disconnected
ECM not configured
ECM failure
Communications Network
U010187
Lost
communication
with
transmission
control module
(TCM)
CAN bus fault
TCM disconnected
TCM not configured
TCM failure
Communications Network
U010287
Lost
communication
with transfer
box control
module
CAN bus fault
Transfer box control
module
disconnected
Transfer box control
module not
configured
Transfer box control
module failure
Communications Network
U012287
Lost
communication
with ABS
module
CAN bus fault
ABS module
disconnected
ABS module not
configured
ABS module failure
Communications Network