
DTC Description Possible Causes Action B1B86-11
Seat Height Motor Relay -
Circuit short to ground
Driver seat parallel height
motor 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 driver
seat parallel height motor circuit for short
to ground B1B86-15
Seat Height Motor Relay -
Circuit short to battery or
open
Driver seat parallel height
motor circuit - short to 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 driver
seat parallel height motor circuit for short
to power, open circuit B1B87-31
Seat Height Motor
Speed/Position Sensor - No
signal
Harness/connector problem
No signal from sensor
Sensor/motor malfunction
Check the seat wiring harness/connectors
for security/integrity
Refer to the electrical circuit diagrams and
check the seat height motor sensor circuit.
Repair circuit as required. Clear DTC and
retest B1B88-11
Seat Slide Motor Relay -
Circuit short to ground
Driver seat slide motor 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 driver
seat slide motor circuit for short to ground B1B88-15
Seat Slide Motor Relay -
Circuit short to battery or
open
Driver seat slide motor circuit -
short to 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 driver
seat slide motor circuit for short to power,
open circuit B1B89-31
Seat Slide Motor
Speed/Position Sensor - No
signal
Harness/connector problem
No signal from sensor
Sensor/motor malfunction
Check the seat wiring harness/connectors
for security/integrity
Refer to the electrical circuit diagrams and
check the seat slide motor speed sensor
circuit. Repair circuit as required. Clear DTC
and retest B1B90-11
Seat Tilt Motor Relay -
Circuit short to ground
Driver seat tilt motor 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 driver
seat tilt motor circuit for short to ground B1B90-15
Seat Tilt Motor Relay -
Circuit short to battery or
open
Driver seat tilt motor circuit -
short to 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 driver
seat tilt motor circuit for short to power,
open circuit B1B91-31
Seat Tilt Motor
Speed/Position Sensor - No
signal
Harness/connector problem
No signal from sensor
Sensor/motor malfunction
Check the seat wiring harness/connectors
for security/integrity
Refer to the electrical circuit diagrams and
check the seat tilt motor speed sensor
circuit. Repair circuit as required. Clear DTC
and retest B1B92-11
Seat Recline Motor Relay -
Circuit short to ground
Driver seat recline motor
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 driver
seat recline motor circuit for short to
ground

DTC Description Possible Causes Action B1B92-15
Seat Recline Motor Relay -
Circuit short to battery or
open
Driver seat recline motor
circuit - short to 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 driver
seat recline motor circuit for short to
power, open circuit B1B93-31
Seat Recline Motor
Speed/Position Sensor - No
signal
Harness/connector problem
No signal from sensor
Sensor/motor malfunction
Check the seat wiring harness/connectors
for security/integrity
Refer to the electrical circuit diagrams and
check the seat recline motor speed sensor
circuit. Repair circuit as required. Clear DTC
and retest B1B94-24
Seat Height Up Switch -
Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and seat height up
circuit for short to ground B1B95-24
Seat Height Down Switch -
Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and seat height
down circuit for short to ground B1B96-24
Seat Slide Forward Switch -
Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and seat slide
forward circuit for short to ground B1B97-24 Seat Slide Backward Switch
- Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and seat slide
backward circuit for short to ground B1B98-24
Seat Tilt Up Switch - Signal
stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and seat tilt up
circuit for short to ground B1B99-24
Seat Tilt Down Switch -
Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and seat tilt down
circuit for short to ground B1C00-24
Seat Recline Up Switch -
Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and seat recline up
circuit for short to ground B1C01-24
Seat Recline Down Switch -
Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and check seat
recline down circuit for short to ground B1C02-24
Memory Store Switch -
Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit www.JagDocs.com

DTC Description Possible Causes Action U0423-00 Invalid Data Received
Invalid message from the
Check the Instrument Cluster for related DTCs From Instrument Panel Control Module - No sub instrument panel control and refer to the relevant DTC index type information module U0433-64
Invalid Data Received
From Cruise Control
Front Distance Range
Sensor - Signal
plausibility failure
Incorrect apply request
from the speed control
module when the
conditions were not correct
NOTE: The Park Brake Module has received a
request to apply the parkbrake from the Adaptive Speed
Control module but the conditions were not correct for
the apply to take place. E.g. the vehicle was moving. The
module will ignore the request but this DTC is logged for
safety reference
Check the Speed Control Module for related DTCs
and refer to the relevant DTC index U2001-68
Reduced System
Function - Event
information
Invalid or missing message
from Anti-Lock Braking
System with ignition OFF
and vehicle speed > 3Kph
NOTE: There has been invalid or missing data
detected from the Anti-Lock Brake System Control
Module. This DTC may be logged if the ignition is
switched off with the vehicle still moving. This DTC will
never be recorded as confirmed and is stored for
historical analysis only
Check the Speed Control Module for related DTCs
and refer to the relevant DTC index U2005-64
Vehicle Speed - Signal
implausibility failure
Implausible speed
message from the
Anti-Lock Braking System
control module
NOTE: Implausible speed is defined as passing
from high speed dynamic mode to static mode without
passing through low speed dynamic mode
Check the Anti-Lock Braking System Control
Module for related DTCs and refer to the relevant
DTC index U200D-4B
Control Module Output
Power A - Over
temperature
Actuator FET circuit over
current / over temperature
Refer to electrical wiring diagrams and check the
actuator circuit for low resistance. Repair circuit
faults or install a new actuator as required U2011-11
Motor - Circuit short to
ground
Electric park brake motor
output short to ground
Refer to electrical wiring diagrams and check the
actuator circuit for short to ground. Repair circuit
faults or install a new actuator as required U2011-12
Motor - Circuit short to
battery
Electric park brake motor
output short to power
Refer to electrical wiring diagrams and check the
actuator circuit for short to power. Repair circuit
faults or install a new actuator as required U2011-13 Motor - Circuit open
Electric park brake motor
output open circuit
Refer to electrical wiring diagrams and check the
actuator circuit for open circuit. Repair circuit
faults or install a new actuator as required U3000-47
Control Module -
Watchdog/safety micro
controller failure
Defective ECU
Lost communication with secondary micro
processor, check power and ground connections to
module. Clear DTC, perform battery reset and
retest system. If DTC reoccurs suspect the
Parking Brake control module
Refer to the Warranty Policy and Procedures
manual if a module/component is suspect U3002-81
Vehicle Identification
Number (VIN) - Invalid
serial number
The Park Brake Module has
previously been installed
to another vehicle
Check and install the original, or a new Park Brake
Module
Refer to the Warranty Policy and Procedures
manual if a module/component is suspect U3003-62
Battery Voltage - Signal
compare failure
Power distribution fault
Wiring harness fault
There is a difference of more than 2 volts
between the power supply to the parking brake
module and the battery voltage value broadcast
on CAN. Check other control modules for battery
voltage related DTCs. Refer to the electrical
circuit diagrams and check the power and ground

DTC Description Possible Causes Action supply circuits to the Park Brake Module. Repair
wiring as required, clear the DTC and retest the
system U3006-16
Control Module Input
Power A - Circuit
voltage below threshold
ECU logic voltage is high
(over 18 volts for 40mS)
Wiring harness fault
Charging system fault
Refer to electrical circuit diagrams, check power
supplies and ground connections to the park brake
control module. Check battery voltage and
charging system. Repair wiring harness or
charging system as required, clear DTC, perform
battery reset. Retest system U3006-17
Control Module Input
Power A - Circuit
voltage above threshold
ECU logic voltage is low
(below 8 volts for 2000mS)
Wiring harness fault
Charging system fault
Refer to electrical circuit diagrams, check power
supplies and ground connections to the park brake
control module. Check battery voltage and
charging system. Repair wiring harness or
charging system as required, clear DTC, perform
battery reset. Retest system U3007-14
Control Module Input
Power B - Circuit short
to ground or open
Connector fault - bent,
loose or corroded pin(s)
Harness fault
Refer to electrical circuit diagrams, check Park
Brake Module high power feed circuit for open
circuits or short to ground. Repair wiring harness
as required, clear DTC

DTC Description Possible Causes Action module/component B10AC-82 Cruise Control Switch - Alive / sequence counter incorrect / not updated
Cruise buttons alive counter is not
incrementing. Which suggests that
the LIN bus is faulty
Steering wheel module is not
connected
Steering wheel module failure
Refer to the electrical circuit
diagrams and check the speed
control switch circuit for open circuit,
short circuit to power, short circuit to
ground, disconnected
Refer to the electrical circuit
diagrams and check the LIN bus
between steering wheel module and
the CAN gateway
Check and install a new steering
wheel module as required. Refer to
the warranty policy and procedures
manual, or determine if any prior
approval programme is in operation,
prior to the installation of a new
module/component B10AC-83
Cruise Control Switch - Value
of signal protection
calculation incorrect
Cruise buttons checksum incorrect,
incorrect cruise switches fitted to
vehicle
Check and install new cruise
switches as required. Refer to the
warranty policy and procedures
manual, or determine if any prior
approval programme is in operation,
prior to the installation of a new
module/component B10AC-96
Cruise Control Switch -
Component internal failure
Speed control switch circuit, open
circuit, short circuit to power, short
circuit to ground, disconnected
Speed control switch failure
Steering wheel module failure
Check for related DTCs in other
central junction boxes
Refer to the electrical circuit
diagrams and check the speed
control switch circuit for open circuit,
short circuit to power, short circuit to
ground, disconnected
Check and install a new speed
control switch as required. Check and
install a new steering wheel module
as required. Refer to the warranty
policy and procedures manual, or
determine if any prior approval
programme is in operation, prior to
the installation of a new
module/component B10FF-68
Ignition Control - Event
information
Spark plug(s) fault
Wiring harness fault
Ignition coil(s) fault
Refer to repair manual and check
spark plug(s) for condition and
security. Replace any defective
components as required
Refer to electrical wiring diagrams
and check ignition coil circuit for
intermittent open circuit, short
circuit to power, short circuit to
ground
Check and install a new coil(s) as
required. Refer to the warranty policy
and procedures manual, or determine
if any prior approval programme is in
operation, prior to the installation of
a new module/component B11DB-01
Battery Monitoring Module -
General electrical failure
NOTE: - Circuit BATTERY -
Charging system fault Battery
monitoring signal line
circuit fault
Vehicle battery fault
Refer to electrical wiring diagrams
and check charging system for faults.
Perform any repairs required
Refer to the electrical wiring
diagrams and check the battery
monitoring system module circuit for
open circuit, short circuit to ground,
short circuit to power
Refer to the workshop manual and
the battery care manual, inspect the
vehicle battery and ensure it is fully
charged and serviceable before
performing further tests

DTC Description Possible Causes Action B10AE-64
Headlamp Leveling
Motor - Signal
plausibility failure
Signal plausibility
failure voltage out of
range
Refer to the electrical circuit diagrams and check the
Headlamp Leveling Motor circuits for failure. Disconnect one
headlamp connector, clear DTC and re-test. If DTC cleared,
suspect Headlamp Leveling Module or circuits to the
disconnected side. If DTC remains, reconnect first
headlamp and disconnect second, clear DTC and re-test. If
DTC cleared, suspect Headlamp Leveling Module or circuits
to the disconnected side. If DTC remains, suspect common
circuits of the failure. Refer to the electrical circuit diagrams
and check as required B1A59-11
Sensor 5 Volt
Supply - Circuit
short to ground
Headlamp Leveling
Sensor 5 volt supply
circuit short to ground
Refer to electrical circuit diagrams and check Headlamp
Leveling Sensor 5 volt supply circuit for short to ground B1A59-12
Sensor 5 Volt
Supply - General
electrical failure
Headlamp Leveling
Sensor 5 volt supply
circuit short to power
Refer to electrical circuit diagrams and check Headlamp
Leveling Sensor 5 volt supply circuit for short to power C1A04-11
Right Front Height
Sensor - Circuit
short to ground
Right front Height
Sensor circuit short to
ground
Refer to the electrical circuit diagrams, and check Right
Front Height Sensor circuit for short to ground C1A04-15
Right Front Height
Sensor - Circuit
short to battery or
open
Right front Height
Sensor circuit short to
power or open circuit
Check Right Front Height Sensor connector for security.
Refer to the electrical circuit diagrams, and check Right
Front Height Sensor circuit for short to power or open circuit C1A04-64
Right Front Height
Sensor - Signal
plausibility failure
Sensor (PWM) Signal
out of range
NOTE: This DTC may be logged if the vehicles wheels have
been raised from the floor
Check the location, security and mechanical operation of
the Height Sensor. Refer to the electrical circuit diagrams,
and check Right Front Height Sensor signal circuit for fault C1A06-11
Right Rear Height
Sensor - Circuit
short to ground
Right rear Height
Sensor circuit short to
ground
Refer to the electrical circuit diagrams, and check Right
Rear Height Sensor circuit for short to ground C1A06-15
Right Rear Height
Sensor - Circuit
short to battery or
open
Right rear Height
Sensor circuit short to
power or open circuit
Check Right Rear Height Sensor connector for security. Refer
to the electrical circuit diagrams, and check Right Rear
Height Sensor circuit for short to power or open circuit C1A06-64
Right Rear Height
Sensor - Signal
plausibility failure
Sensor (PWM) Signal
out of range
NOTE: This DTC may be logged if the vehicles wheels have
been raised from the floor
Check the location, security and mechanical operation of
the Height Sensor. Refer to the electrical circuit diagrams,
and check Right Rear Height Sensor signal circuit for fault U0001-88
High Speed CAN
Communication Bus
- Bus off
CAN Bus Off
CAN Bus Circuit fault
Check other modules for stored DTCs. Carry out the CAN
Network Integrity test using the manufacturer approved
diagnostic system U0101-00
Lost Communication
with TCM - No sub
type information
Lost communication
with the Transmission
Control Module
CAN network fault
Check the Transmission Control Module for stored DTCs.
Using the manufacturer approved diagnostic system,
complete the CAN Network Integrity test. Refer to the
electrical circuit diagrams and check the CAN network
between the Headlamp Leveling Module and the
Transmission Control Module U0121-00
Lost Communication
With Anti-Lock
Brake System (ABS)
Control Module - No
sub type
information
Lost communication
with the Anti-lock
Brake System Module
CAN network fault
Check the Anti-lock Brake System Module for stored DTCs.
Using the manufacturer approved diagnostic system,
complete the CAN Network Integrity test. Refer to the
electrical circuit diagrams and check the CAN network
between the Headlamp Leveling Module and the Anti-lock
Brake System Module

DTC Description Possible Causes Action U0300-00
Internal Control
Module Software
Incompatibility - No
sub type
information
Car Configuration File
(CCF) information
incompatible to
Headlamp Leveling
Module
Check/amend the Car Configuration File (CCF) using the
manufacturer approved diagnostic system. Confirm the
latest Strategy and Calibration software is installed in the
Headlamp Leveling Module, using the manufacturer
approved diagnostic system update the Headlamp Leveling
Module software as required. If DTC returns suspect an
internal fault with the Headlamp Leveling Module Replace
as required, refer to the new module/component
installation note at the top of the DTC Index U0415-00
Invalid Data
Received From
Anti-Lock Brake
System (ABS)
Control Module - No
sub type
information
NOTE: Steering angle
sensor not calibrated
Invalid data received
from ABS module
NOTE: The steering wheel center (straight ahead) position is
recalculated each ignition cycle
Clear the DTC then cycle the ignition state to off then on.
Carry out a short road test to calibrate the Steering Wheel
Angle Sensor. If DTC returns, check the Anti-lock Brake
System Module for related DTCs and refer to relevant DTC
Index U2100-00
Initial Configuration
Not Complete - No
sub type
information
Car Configuration File
(CCF) information not
received completely
NOTE: The Car Configuration File (CCF) parameters required
are (Vehicle type)(Headlamp type)(Gearbox type) and (Dayrunning
light)
Check/amend Car Configuration File (CCF) as required using
the manufacturer approved diagnostic system. Using the
manufacturer approved diagnostic system, clear the stored
DTC then cycle the Ignition State to off, wait 30 seconds.
Return the Ignition state to on and check for stored DTCs,
if the DTC returns check other modules for related stored
DTCs. If no other modules have related DTCs confirm the
security and condition of the Headlamp Leveling Module
circuit connections. If no other DTCs are stored and the
circuit is correct suspect an internal fault with the
Headlamp Leveling Module Replace as required, refer to the
new module/component installation note at the top of the
DTC Index U2101-00
Control Module
Configuration
Incompatible - No
sub type
information
Car Configuration File
(CCF) information
incompatible to
Headlamp Leveling
Module
NOTE: The Car Configuration File (CCF) parameters required
are (Vehicle type)(Headlamp type)(Gearbox type) and (Dayrunning
light)
Check/amend Car Configuration File (CCF) as required using
the manufacturer approved diagnostic system U3002-81
Vehicle
Identification
Number - Invalid
serial data received
The stored Vehicle
Identification Number
is not the same as
the Central Broadcast
Vehicle Identification
Number
The Headlamp
Leveling Module has
previously been
installed to another
vehicle
Check the correct Headlamp Leveling Module is installed to
vehicle specification. Refit original or replace the module as
required. Refer to the new module/component installation
note at the top of the DTC Index U3003-16
Battery Voltage -
Circuit voltage
below threshold
The power supply to
the Module has been
below 9 Volts for
more than 1000
milliseconds
Suspect Battery or Charging fault. Check the battery
condition and state of charge. Check the vehicle charging
system. Refer to the relevant workshop manual section.
Clear the DTC, cycle ignition state to off then on, if DTC
returns refer to the electrical circuit diagrams and check
power and ground circuit to the Headlamp Leveling Module U3003-17
Battery Voltage -
Circuit voltage
above threshold
The power supply to
the Module has been
above 16 Volts for
more than 1000
milliseconds
Suspect Charging fault. Check the battery condition and
state of charge. Check the vehicle charging system. Refer
to the relevant workshop manual section

DTC Description Possible Causes Action U3000-04
Control Module -
System Internal
Failures
Occupancy seat module
internal electronic failure
Check and install a new occupancy seat module as
required. Refer to the warranty policy and procedures
manual, or determine if any prior approval programme is
in operation, prior to the installation of a new
module/component U3000-54
Control Module -
Missing calibration
This diagnostic trouble
code is set if a 'calibrate
occupancy seat module
empty seat offset'
routine is requested and
fails due to one of the
pre-conditions to
execute the routine
Check the following criteria have all been achieved:
Ignition status set to RUN/START. Verify seat is always
empty after power-up before re-zero is requested. The
occupancy seat module has gone through the seat
assembly plant calibration. No collision event received
from the restraints control module during the current
ignition cycle. No faults present in the current ignition
cycle. The trigger message for calibrate empty seat
offset has been received from the diagnostic tool.
Occupancy seat module has enough time to begin
classification. Temperature is between 6C (42F) and 36C
(97F) U3003-16
Battery Voltage -
Circuit voltage
below threshold
Circuit voltage below
threshold
Check battery is in fully charged and serviceable
condition. Check integrity of charging system U3003-17
Battery Voltage -
Circuit voltage
above threshold
Circuit voltage above
threshold
Check battery is in fully charged and serviceable
condition. Check integrity of charging system