DTC Description Possible Causes Action DTC and retest
Carry out on demand self test using manufacturer
approved diagnostic system to confirm
rectification. Alternatively, carry out any pinpoint
tests associated with this DTC using the
manufacturer approved diagnostic system B122B-12
Right Seat Back Blower
Speed Sensor - Circuit
short to battery
Seat backrest blower speed
right circuit - Short circuit
to power
Blower motor assembly -
Short circuit to power
Front seat climate control
module failure
Carry out on demand self test using manufacturer
approved diagnostic system to confirm the fault is
present
Refer to the electrical circuit diagrams and check
the front seat climate control module - Circuit
reference RH_SEAT_BACK_FAN_SPEED - For short
circuit to power. Repair circuit as required, clear
DTC and retest
Carry out on demand self test using manufacturer
approved diagnostic system to confirm
rectification. Alternatively, carry out any pinpoint
tests associated with this DTC using the
manufacturer approved diagnostic system B122C-11
Left Seat Cushion
Blower Speed Sensor -
Circuit short to ground
Seat cushion blower speed
left circuit - Short circuit to
ground
Blower motor assembly -
Short circuit to ground
Front seat climate control
module failure
Carry out on demand self test using manufacturer
approved diagnostic system to confirm the fault is
present
Refer to the electrical circuit diagrams and check
the front seat climate control module - Circuit
reference LH_CUSHION_FAN_SPEED - For short
circuit to ground. Repair circuit as required, clear
DTC and retest
Carry out on demand self test using manufacturer
approved diagnostic system to confirm
rectification. Alternatively, carry out any pinpoint
tests associated with this DTC using the
manufacturer approved diagnostic system B122C-12
Left Seat Cushion
Blower Speed Sensor -
Circuit short to battery
Seat cushion blower speed
left circuit - Short circuit to
power
Blower motor assembly -
Short circuit to power
Front seat climate control
module failure
Carry out on demand self test using manufacturer
approved diagnostic system to confirm the fault is
present
Refer to the electrical circuit diagrams and check
the front seat climate control module - Circuit
reference LH_CUSHION_FAN_SPEED - For short
circuit to power. Repair circuit as required, clear
DTC and retest
Carry out on demand self test using manufacturer
approved diagnostic system to confirm
rectification. Alternatively, carry out any pinpoint
tests associated with this DTC using the
manufacturer approved diagnostic system B122D-11
Left Seat Back Blower
Speed Sensor - Circuit
short to ground
Seat backrest blower speed
left circuit - Short circuit to
ground
Blower motor assembly -
Short circuit to ground
Front seat climate control
module failure
Carry out on demand self test using manufacturer
approved diagnostic system to confirm the fault is
present
Refer to the electrical circuit diagrams and check
the front seat climate control module - Circuit
reference LH_SEAT_BACK_FAN_SPEED - For short
circuit to ground. Repair circuit as required, clear
DTC and retest
Carry out on demand self test using manufacturer
approved diagnostic system to confirm
rectification. Alternatively, carry out any pinpoint
tests associated with this DTC using the
manufacturer approved diagnostic system B122D-12
Left Seat Back Blower
Speed Sensor - Circuit
short to battery
Seat backrest blower speed
left circuit - Short circuit to
power
Blower motor assembly -
Short circuit to power
Front seat climate control
module failure
Carry out on demand self test using manufacturer
approved diagnostic system to confirm the fault is
present
Refer to the electrical circuit diagrams and check
the front seat climate control module - Circuit
reference LH_SEAT_BACK_FAN_SPEED - For short
circuit to power. Repair circuit as required, clear
DTC and retest
Carry out on demand self test using manufacturer
approved diagnostic system to confirm
rectification. Alternatively, carry out any pinpoint
DTC Description Possible Causes Action tests associated with this DTC using the
manufacturer approved diagnostic system B122E-98
Right Seat Cushion -
Component or system
over temperature
Blocked or restricted
thermal electric device fan
exhaust vent
Restricted thermal electric
device fan movement
Check for blockage or restriction in thermal electric
device fan exhaust vent
Check for restricted thermal electric device fan
movement
Carry out on demand self test using manufacturer
approved diagnostic system to confirm
rectification. Alternatively, carry out any pinpoint
tests associated with this DTC using the
manufacturer approved diagnostic system B122F-98
Right Seat Back -
Component or system
over temperature
Blocked or restricted
thermal electric device fan
exhaust vent
Restricted thermal electric
device fan movement
Check for blockage or restriction in thermal electric
device fan exhaust vent
Check for restricted thermal electric device fan
movement
Carry out on demand self test using manufacturer
approved diagnostic system to confirm
rectification. Alternatively, carry out any pinpoint
tests associated with this DTC using the
manufacturer approved diagnostic system B1230-98
Left Seat Back -
Component or system
over temperature
Blocked or restricted
thermal electric device fan
exhaust vent
Restricted thermal electric
device fan movement
Check for blockage or restriction in thermal electric
device fan exhaust vent
Check for restricted thermal electric device fan
movement
Carry out on demand self test using manufacturer
approved diagnostic system to confirm
rectification. Alternatively, carry out any pinpoint
tests associated with this DTC using the
manufacturer approved diagnostic system B1231-7A
Right Seat - Fluid leak
or seal failure
Seat backrest assembly -
Air path leaking
Seat cushion assembly -
Air path leaking
Seat assembly damaged
Check for blockage or restriction in seat
backrest/seat cushion thermal electric device fan
ducts
Check seat backrest/seat cushion thermal electric
device fan exhaust vent is clear
Carry out on demand self test using manufacturer
approved diagnostic system to confirm
rectification. Alternatively, carry out any pinpoint
tests associated with this DTC using the
manufacturer approved diagnostic system B1232-7A
Left Seat - Fluid leak or
seal failure
Seat backrest assembly -
Air path leaking
Seat cushion assembly -
Air path leaking
Seat assembly damaged
Check for blockage or restriction in seat
backrest/seat cushion thermal electric device fan
ducts
Check seat backrest/seat cushion thermal electric
device fan exhaust vent is clear
Carry out on demand self test using manufacturer
approved diagnostic system to confirm
rectification. Alternatively, carry out any pinpoint
tests associated with this DTC using the
manufacturer approved diagnostic system B1235-13
Left Seat Cushion Temperature Sensor -
Circuit open
Connectors disconnected or
connector pin damage
Seat cushion temperature
sensor left circuit - Open
circuit
Front seat climate control
module failure
Check for any disconnected connectors or damaged
connector pins
Carry out on demand self test using manufacturer
approved diagnostic system to confirm the fault is
present
Refer to the electrical circuit diagrams and check
the front seat climate control module - Circuit
reference LH_CUSHION_SENSOR, Circuit reference
LH_CUSHION_SENSOR_RTN - For open circuit.
Repair circuit as required, clear DTC and retest
Carry out on demand self test using manufacturer
approved diagnostic system to confirm
rectification. Alternatively, carry out any pinpoint
tests associated with this DTC using the
manufacturer approved diagnostic system
DTC Description Possible Cause Action circuit - short to power
circuit diagrams and check wiper On/Off relay control circuit for
short to power B109514
Wiper On/Off
Relay
Wiper On/Off relay control
circuit - short to ground,
open circuit Refer to the electrical circuit diagrams and check wiper On/Off
relay control circuit for short to ground, open circuit B109612
Wiper High/Low
Relay
Wiper Fast/Slow relay
control circuit - short to
power Carry out any pinpoint tests associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check wiper Fast/Slow relay control circuit for
short to power B109614
Wiper High/Low
Relay
Wiper Fast/Slow relay
control circuit - short to
ground, open circuit Refer to the electrical circuit diagrams and check wiper Fast/Slow
relay control circuit for short to ground, open circuit B10AD09 Rain Sensor
Component failures Carry out any pinpoint tests associated with this DTC using the
manufacturer approved diagnostic system. Suspect the rain/light
sensor, check and install a new sensor as required B10AD11 Rain Sensor
Rain/light sensor power
circuit - short to ground Carry out any pinpoint tests associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check rain/light sensor power circuit for short
to ground B10AD96 Rain Sensor
Component internal
failure Suspect the rain/light sensor, check and install a new sensor as
required B117712
Screenwash
Level Switch
Screenwash level switch
signal circuit - short to
power Refer to the electrical circuit diagrams and check screenwash level
switch signal circuit for short to power B1C4513
Front Wiper Park
Position Switch
Windshield wiper motor
park switch signal circuit -
open circuit Refer to the electrical circuit diagrams and check windshield wiper
motor park switch signal circuit for open circuit B1C4523
Front Wiper Park
Position Switch
Signal stuck low Refer to the electrical circuit diagrams and check front wiper park
position switch input circuit for short, open circuit B1C7812 Powerwash Relay
Powerwash relay control
circuit - short to power Refer to the electrical circuit diagrams and check powerwash relay
control circuit for short to power B1C7814 Powerwash Relay
Powerwash relay control
circuit - short to ground,
open circuit Refer to the electrical circuit diagrams and check powerwash relay
control circuit for short to ground, open circuit B1C7911
Front Washer
Pump
Screenwash pump control
circuit - short to ground Refer to the electrical circuit diagrams and check screenwash
pump control circuit for short to ground B1C7913
Front Washer
Pump
Screenwash pump control
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 screenwash pump control circuit for open circuit www.JagDocs.com