2010 JAGUAR XFR Can bus

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 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 U0010-88
Medium Speed CAN
Communication Bus -
Bus off
Medium speed CAN
communication - Bus off
Refer to the electrical circuit diagrams and check
the power and ground connections to the module
Using the manufacturer approved diagnostic
system, complete a CAN network integrity test
Carry out on demand self test using manufacturer
approved diagnostic system to confirm rectification U0140-00
Lost Communication
With Body Control
Module - No sub type
information
Lost communication with
central junction box
NOTE: This DTC may be stored even though no fault
condition is present and should be ignored unless the
customer has reported a climate seat concern. Clear the
DTC and retest. Verify the customer concern prior to
diagnosis

Refer to the electrical circuit diagrams and check
the power and ground connections to the module
Using the manufacturer approved diagnostic
system, complete a CAN network integrity test
Refer to the electrical circuit diagrams and check
the CAN network between the front seat climate
control module and central junction box
Carry out on demand self test using manufacturer
approved diagnostic system to confirm rectification U0142-00 Lost Communication
Lost communication with
Refer to the electrical circuit diagrams and check With Body Control Module "B" - No sub rear junction box the power and ground connections to the module type information Using the manufacturer approved diagnostic system, complete a CAN network integrity test Refer to the electrical circuit diagrams and check the CAN network between the front seat climate control module and rear junction box Carry out on demand self test using manufacturer approved diagnostic system to confirm rectification www.JagDocs.com

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 U3003-62
Battery Voltage -
Signal compare
failure
Difference in battery
voltage, of 2 volts or
more, between the
central broadcast
voltage (via CAN Bus)
and Headlamp
Leveling Module
Check other modules for related stored DTCs. Refer to the
electrical circuit diagrams and check power and ground
voltages at the Headlamp Leveling Module U0428-00
Invalid Data
Received From
Steering Angle
Sensor Module - No
sub type
information
NOTE: Steering Angle
Sensor not calibrated

Invalid Data Received
from the Steering
Angle Sensor Module
Check the Steering Angle Sensor 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 U0402-00
Invalid Data
Received From
Transmission
Control Module - No
sub type
information
Invalid Data Received
from the
Transmission Control
Module
Transmission
component 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 U0126-00
Lost Communication
With Steering Angle
Sensor Module - No
sub type
information
Lost communication
with the Steering
Angle Sensor Module
CAN network fault
Check the Steering Angle Sensor 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 Steering
Angle Sensor U0142-00 Lost Communication
Lost communication
Check the Auxiliary Junction Box for stored DTCs. Using the With Body Control Module "B" - No sub with the Auxiliary manufacturer approved diagnostic system, complete the type information Junction Box CAN Network Integrity test. Refer to the electrical circuit CAN network fault diagrams and check the CAN network between the Headlamp Leveling Module and the Auxiliary Junction Box www.JagDocs.com

DTC Description Possible Causes Action B1D37-11
Wiper Switch
Connection Circuit -
Circuit short to ground
Flick wipe switch circuit -
short to ground
Refer to the electrical circuit diagrams and check
flick wipe switch circuit for short to ground B1D37-15
Wiper Switch
Connection Circuit -
Circuit short to battery
or open
Flick wipe switch 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 flick wipe switch circuit for short to
power, open circuit C1110-64
Power steering
Calibration Data - Signal
plausibility failure
Invalid VAPS curve loaded
Re-configure the instrument cluster as new to
download VAPS curve data P0635-11
Power Steering Control
Circuit - Circuit short to
ground
VAPS ignition supply circuit
- short to ground
Refer to the electrical circuit diagrams and check
VAPS ignition supply circuit for short to ground P0635-12
Power Steering Control
Circuit - Circuit short to
battery
VAPS ignition supply circuit
- short to power
Refer to the electrical circuit diagrams and check
VAPS ignition supply circuit for short to power P0635-13
Power Steering Control
Circuit - Circuit open
VAPS ignition supply circuit
- open circuit
Refer to the electrical circuit diagrams and check
VAPS ignition supply circuit for open circuit P0635-22
Power Steering Control
Circuit - Signal
amplitude > maximum
First valid received speed
value above threshold
Check ABS module for DTCs and refer to relevant
DTC Index P0635-44
Power Steering Control
Circuit - Data memory
failure
Data memory failure
Re-configure the instrument cluster as new to
download VAPS curve data U0001-88
High Speed CAN
Communication Bus -
Bus off
Bus Off
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system. Carry out CAN network integrity test
using the manufacturer approved diagnostic
system. Refer to the electrical circuit diagrams
and check HS CAN network to instrument cluster U0010-88
Medium Speed CAN
Communication Bus -
Bus off
Bus Off
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system. Carry out CAN network integrity test
using the manufacturer approved diagnostic
system. Refer to the electrical circuit diagrams
and check MS CAN network to instrument cluster U0100-00
Lost Communication
With ECM/PCM “A” - No
sub type information
Loss of CAN communication
with ECM
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system. Check ECM for DTCs and refer to the
relevant DTC Index U0101-00
Lost Communication
with TCM - No sub type
information
Loss of CAN communication
with TCM
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system. Check TCM for DTCs and refer to the
relevant DTC Index U0103-00
Lost Communication
With Gear Shift Module
- No sub type
information
Loss of CAN communication
with transmission shift
module
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system. Check transmission shift module for
DTCs and refer to the relevant DTC Index U0104-00
Lost Communication
With Cruise Control
Module - No sub type
information
Loss of CAN communication
with speed control module
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system. Check speed control module for DTCs
and refer to the relevant DTC Index U0121-00
Lost Communication
With Anti-Lock Brake
System (ABS) Control
Module - No sub type
information
Loss of CAN communication
with ABS module
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system. Check ABS module for DTCs and refer to
the relevant DTC Index

DTC Description Possible Causes Action B11A9-23 Tone Button - Signal stuck
low
Button stuck
down/jammed
Integrated control
panel failure
Check for stuck down/jammed button. Check and
install a new integrated control panel as required B121F-23
Climate Switch - Signal
stuck low
Button stuck
down/jammed
Integrated control
panel failure
Check for stuck down/jammed button. Check and
install a new integrated control panel as required U0010-88
Medium Speed CAN
Communication Bus - Bus
off
Bus off
Carry out any pinpoint tests associated with this DTC
using the manufacturer approved diagnostic system U0140-00
Lost Communication With
Body Control Module - No
sub type information
Missing message
from CJB
Carry out any pinpoint tests associated with this DTC
using the manufacturer approved diagnostic system U0142-00
Lost Communication With
Body Control Module "B" -
No sub type information
Missing message
from RJB
Carry out any pinpoint tests associated with this DTC
using the manufacturer approved diagnostic system U0155-00
Lost Communication With
Instrument Panel Cluster
(IPC) Control Module - No
sub type information
Missing message
from instrument
cluster
Carry out any pinpoint tests associated to this DTC
using the manufacturer approved diagnostic system U0156-00
Lost Communication With
Information Center "A" -
No sub type information
Missing message
from information and
entertainment control
module
Carry out any pinpoint tests associated with this DTC
using the manufacturer approved diagnostic system U0300-00
Internal Control Module
Software Incompatibility -
No sub type information
Invalid car
configuration data
received
Re-configure the integrated control panel as new.
Clear DTC and re-test, if DTC remains suspect the
integrated control panel. Check and install a new
integrated control panel as required, refer to the new
module/component installation note at the top of the
DTC Index U3000-41
Control Module - General
checksum failure
Checksum error,
internal module
failure
Suspect the integrated control panel, check and
install a new integrated control panel as required,
refer to the new module/component installation note
at the top of the DTC Index

DTC Description Possible Causes Action B1A54-11
Occupant Belt Tension Sensor -
Circuit short to
ground
Safety belt tension
sensor voltage reference
or signal circuit - short
to ground
Refer to the electrical circuit diagrams and check safety
belt tension sensor voltage reference and signal circuits
for short to ground B1A54-12
Occupant Belt Tension Sensor -
Circuit short to
battery
Safety belt tension
sensor voltage reference
or signal circuit - short
to power
Refer to the electrical circuit diagrams and check safety
belt tension sensor voltage reference and signal circuits
for short to power B1A54-13
Occupant Belt Tension Sensor -
Circuit open
Safety belt tension
sensor voltage reference
or signal circuit - open
circuit
Refer to the electrical circuit diagrams and check safety
belt tension sensor voltage reference and signal circuits
for open circuit B1A62-02
Pressure Sensor -
General signal
failure
General signal failure
Refer to the electrical circuit diagrams and check safety
belt tension and mat pressure sensor circuits for short to
each other B1A62-11
Pressure Sensor -
Circuit short to
ground
Mat pressure sensor
voltage reference or
signal circuits - short to
ground
Refer to the electrical circuit diagrams and check mat
pressure sensor voltage reference and signal circuits for
short to ground B1A62-12
Pressure Sensor -
Circuit short to
battery
Mat pressure sensor
voltage reference,
ground or signal circuits
- short to power
Refer to the electrical circuit diagrams and check mat
pressure sensor voltage reference, ground and signal
circuits for short to power B1A62-13
Pressure Sensor -
Circuit open
Mat pressure sensor
voltage reference or
signal circuit - open
circuit
Refer to the electrical circuit diagrams and check mat
pressure sensor voltage reference and signal circuits for
open circuit B1A62-7B
Pressure Sensor -
Low fluid level
Low fluid level - bladder
damaged
Check and install new bladder 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 U0001-88
High Speed CAN
Communication
Bus - Bus off
Bus off
Refer to the electrical circuit diagrams and check CAN
network for short, open circuit. Carry out the CAN
network integrity test using the manufacturer approved
diagnostic system U0151-00
Lost
Communication
With Restraints
Control Module -
No sub type
information
Restraints control
module missing
message
Refer to the electrical circuit diagrams and check power
and ground supplies to restraints control module. Carry
out CAN network integrity test using the manufacturer
approved diagnostic system U0300-00
Internal Control
Module Software
Incompatibility -
No sub type
information
Master car configuration
file ID does not
correspond
Check correct occupancy seat module is installed for
vehicle specification. Check rear junction box for related
diagnostic trouble codes and refer to relevant diagnostic
trouble code index U2016-51
Control Module
Main Software -
Not programmed
Main software not
programmed
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 U201A-51
Control Module
Main Calibration
Data - Not
programmed
Main calibration data not
programmed
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

DTC Description Possible Causes Action Cycle the ignition off, then on, to power up parking
aid system and check corrective action B1B58-11
Rear Sensors Power
Circuit - Circuit short
to ground
Wiring harness fault
Control Module -
Component internal
failure
Check rear and front (if front PDC fitted) bumper
harness for signs of damage and security of
connections
Refer to electrical wiring diagrams and check the
parking assist rear sensor power circuit and front
sensor power circuit (if front PDC fitted) for short
circuit to ground. Repair or replace any wiring harness
as required
Using the manufacturers approved diagnostic system
clear the DTC and run the on demand self test. If the
problem persists, suspect the control module
Cycle the ignition off, then on, to power up parking
aid system and check corrective action B1C30-73
Disable Switch -
Actuator stuck closed
Wiring harness fault
Control Switch -
Component internal
failure
Refer to electrical wiring diagrams and check the
parking assist switch and switch circuit. Repair or
replace any wiring harness as required
Using the manufacturers approved diagnostic system
clear the DTC and run the on demand self test. If the
problem persists, suspect the control switch
Check the switch function U0010-00
Medium Speed CAN
Communication Bus -
No sub type
information
Medium speed CAN
failure - bus off
Refer to the electrical circuit diagrams and check the
parking aid control module medium speed CAN bus
for short circuit to ground, short circuit to power,
open circuit, high resistance, or short circuit between
the paired CAN wires
Using the manufacturer approved diagnostic system,
complete a CAN network integrity test
Cycle the ignition off, then on, and check if the DTC
is still logged U0073-00
Control Module
Communication Bus
"A" Off - No sub type
information
Control module
communication Bus "A"
failure - bus off
Refer to the electrical circuit diagrams and check the
parking aid control module high speed CAN bus for
short circuit to ground, short circuit to power, open
circuit, high resistance, or short circuit between the
paired CAN wires
Using the manufacturer approved diagnostic system,
complete a CAN network integrity test
Cycle the ignition off, then on, and check if the DTC
is still logged U0140-00
Lost Communication
With Body Control
Module - No sub type
information
Loss of CAN
communication with
central junction box
Refer to the electrical circuit diagrams and check the
power and ground connections to the central junction
box. Clear DTC and retest
Using the manufacturer approved diagnostic system,
complete a CAN network integrity test. Refer to the
electrical circuit diagrams and check the CAN network
between the central junction box and the parking aid
control module U0142-00 Lost Communication
Loss of CAN
Refer to the electrical circuit diagrams and check the With Body Control Module "B" - No sub communication with power and ground connections to the auxiliary type information auxiliary junction box junction box. Clear DTC and retest Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the electrical circuit diagrams and check the CAN network between the central junction box and the parking aid control module U0155-00
Lost Communication
With Instrument Panel
Cluster (IPC) Control
Module - No sub type
information
Loss of CAN
communication with
instrument cluster
Refer to the electrical circuit diagrams and check the
power and ground connections to the instrument
cluster. Clear DTC and retest
Using the manufacturer approved diagnostic system,
complete a CAN network integrity test. Refer to the
electrical circuit diagrams and check the CAN network
between the central junction box and the parking aid
control module