DTC Description Possible Causes Action B1082-49
Right Temperature
Damper Motor -
Internal electronic
failure
Right hand blend
stepper motor internal
electronic failure
Suspect the right hand blend stepper motor. Check and
install a new stepper motor as required, refer to the new
module/component installation note at the top of the DTC
Index B1083-01
Recirculation
Damper Motor -
General electrical
failure
RECIRC servo motor
circuits - short to
ground, power, open
circuit
Carry out any pinpoint tests associated with this DTC using
the manufacturer approved diagnostic system. Refer to the
electrical circuit diagrams and check RECIRC servo motor
circuit for short to ground, power, open circuit B1085-00
Defroster Damper
Motor - No sub
type information
Defrost stepper motor
internal or external
fault
Carry out any pinpoint tests associated with this DTC using
the manufacturer approved diagnostic system B1085-49
Defroster Damper
Motor - Internal
electronic failure
Defrost stepper motor
internal electronic
failure
Suspect the defrost stepper motor. Check and install a new
stepper motor as required, refer to the new
module/component installation note at the top of the DTC
Index B1086-00
Air Distribution
Damper Motor -
No sub type
information
Panel/foot stepper
motor internal or
external fault
Carry out any pinpoint tests associated with this DTC using
the manufacturer approved diagnostic system B1086-49
Air Distribution
Damper Motor -
Internal electronic
failure
Panel/foot stepper
motor internal
electronic failure
Suspect the panel/foot stepper motor. Check and install a
new stepper motor as required, refer to the new
module/component installation note at the top of the DTC
Index B1087-88
LIN Bus "A" - Bus
off
LIN Bus power #1
circuit - open circuit
Carry out any pinpoint tests associated with this DTC using
the manufacturer approved diagnostic system. Refer to the
electrical circuit diagrams and check LIN Bus power #1
circuit for open circuit B1088-88
LIN Bus "B" - Bus
off
LIN Bus power #2
circuit - open circuit
Carry out any pinpoint tests associated with this DTC using
the manufacturer approved diagnostic system. Refer to the
electrical circuit diagrams and check LIN Bus power #2
circuit for open circuit B11ED-68
Electric Heater
Control Module -
Event information
Event information.
Electric heater - invalid
communication
message
Clear DTC. With engine coolant temperature low, set
climate temperature to high and re-test. If DTC remains in
isolation suspect the PTC heater, check and install a new
heater as required, refer to the new module/component
installation note at the top of the DTC Index. If additional
LIN related DTCs are logged refer to the Actions for these
DTCs B11ED-87
Electric Heater
Control Module -
Missing message
Electric heater -
missing communication
message
Carry out any pinpoint tests associated with this DTC using
the manufacturer approved diagnostic system B11ED-96
Electric Heater
Control Module -
Component
internal failure
Component internal
failure
Suspect the PTC heater, check and install a new heater as
required, refer to the new module/component installation
note at the top of the DTC Index B11ED-98
Electric Heater
Control Module -
Component or
system over
temperature
Component or system
over temperature
Clear DTC. With engine coolant temperature low, set
climate temperature to high and re-test. If DTC remains
suspect the PTC heater, check and install a new heater as
required, refer to the new module/component installation
note at the top of the DTC Index B11EE-01
A/C Compressor -
General electrical
failure
Air conditioning
compressor clutch
solenoid circuits - short
to ground, power, open
circuit
Carry out any pinpoint tests associated with this DTC using
the manufacturer approved diagnostic system. Refer to the
electrical circuit diagrams and check air conditioning
compressor clutch solenoid circuits for short to ground,
power, open circuit
