2010 JAGUAR XFR u0140

DTC Description Possible Causes Action Sensor or Left Rear
Vertical Acceleration
Sensor or Right Rear
Vertical Acceleration
Sensor supply partial
short to other circuit
or ground
Left Front Vertical
Acceleration Sensor or
Right Front Vertical
Acceleration Sensor or
Left Rear Vertical
Acceleration Sensor or
Right Rear Vertical
Acceleration Sensor
internal failure
Internal control
module failure U0001-88
High speed CAN
communication
bus - Bus off
Lost Communication
With Engine Control
Module (ECM) (CAN
Bus circuit fault)
Check Engine Control Module for stored DTCs. Refer to the
electrical circuit diagrams and check CAN Bus circuit for faults,
check CAN circuits for open circuits or shorts to power, ground
or other circuits U0100-00
Lost
Communication
With ECM/PCM A
- No sub type
information
Missing message from
ECM
Check Engine Control Module for stored DTCs. Refer to the
electrical circuit diagrams and check CAN Bus for circuit fault U0101-00
Lost
Communication
with TCM - No
sub type
information
Lost Communication
with Transmission
control module (TCM)
(CAN Bus circuit fault)
Check Transmission Control Module for stored DTCs. Refer to
the electrical circuit diagrams and check CAN Bus for circuit
fault U0103-00
Lost
Communication
With Gear Shift
Control Module
A - No sub type
information
Lost Communication
With Gear Shift
Module (GSM) (CAN
Bus circuit fault)
Check Gear Shift Module for stored DTCs. Refer to the
electrical circuit diagrams and check Can Bus for circuit faults U0121-00
Lost
Communication
With Anti-Lock
Brake System
(ABS) Control
Module - No sub type information
Lost Communication
With Anti-Lock Brake
System (ABS) Control
Module (CAN Bus
circuit fault)
Check Anti lock Brake System Control Module for stored DTCs.
Refer to the electrical circuit diagrams and check Can Bus
circuit to Anti lock Brake System Control Module for circuit
faults U0132-00 Lost
Lost Communication
Check Air Suspension Control Module for stored DTCs. Refer to Communication With Suspension With Air Suspension the electrical circuit diagrams and check CAN Bus circuit to Air Control Module Control Module (CAN Suspension Control Module for circuit faults A - No sub type Bus circuit fault information U0136-00
Lost
Communication
With Differential
Control Module -
Rear - No sub type information
Lost Communication
With Rear Differential
Control Module (CAN
Bus circuit fault)
Check Rear Differential Control Module for stored DTCs. Refer
to the electrical circuit diagrams and check Can Bus circuit to
Rear Differential Control Module for circuit faults U0140-00
Lost
Communication
With Body
Control Module -
No sub type
information
Lost Communication
With Body Control
Module (Front Smart
Junction Box) (CAN
Bus circuit fault)
Check Body Control Module for stored DTCs. Refer to the
electrical circuit diagrams and check CAN Bus circuit to Body
Control Module for faults U0142-00
Lost
Communication
With Body
Control Module
B - No sub type
information
Lost Communication
with rear smart
junction box (CAN Bus
circuit fault)
Check Rear Smart Junction Box for stored DTCs. Refer to the
electrical circuit diagrams and check Can Bus circuit to Rear
Smart Junction Box for faults U0155-00
Lost
Communication
With Instrument
Panel Cluster
Lost Communication
With Instrument Panel
Cluster (IPC) Control
Check Instrument Panel Cluster for stored DTCs. Refer to the
electrical circuit diagrams and check CAN Bus to Instrument
Panel Cluster for circuit fault

DTC Description Possible Causes Action the CAN network U0140-00
Lost Communication
With Body Control
Module - No sub type
information
No sub type information
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 Central Junction
Box and Blind Spot Monitoring System Module U0155-00
Lost Communication
With Instrument Panel
Cluster (IPC) Control
Module - No sub type
information
No sub type information
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 Instrument Cluster
and Blind Spot Monitoring System Module U0232-00
Lost Communication
With Blind Spot
Monitoring System
Module - Left - No sub
type information
CAN bus circuit fault
Harness fault between left
side mirror and left side
module
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 left Blind Spot
Monitoring System Module and the right Blind
Spot Monitoring System Module
Refer to the electrical circuit diagrams and check
the left side harness between the left side mirror
and left hand module U0233-00
Lost Communication
With Blind Spot
Monitoring System
Module - Right - No sub
type information
CAN bus circuit fault
Harness fault between
right side mirror and right
side module
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 left Blind Spot
Monitoring System Module and the right Blind
Spot Monitoring System Module
Refer to the electrical circuit diagrams and check
the right side harness between the right side
mirror and right hand module U0300-00
Internal Control Module
Software Incompatibility
- No sub type
information
No sub type information
Check Central Junction Box for related DTCs and
refer to the relevant DTC Index. Check Restraints
Control Module for related DTCs and refer to DTC
Index. Check correct components are installed
and that the latest software version is installed U0415-68
Invalid Data Received
From Anti-Lock Brake
System (ABS) Control
Module - event
information
Event information
Using the manufacturer approved diagnostic
system check the central junction box and the
anti-lock brake system (ABS) control module for
related DTCs and refer to the relevant DTC Index U0422-68
Invalid Data Received
From Body Control
Module - Event
information
Event information
Check the Central Junction Box for related DTCs
and refer to the relevant DTC index U2100-00
Initial Configuration Not
Complete - No sub type
information
Car Configuration File
information not received
completely
Check/amend Car Configuration File using
manufacturer approved diagnostic system U2101-00
Control Module
Configuration
Incompatible - No sub
type information
Car Configuration File
information incompatible
to Control module
Check/amend Car Configuration File using
manufacturer approved diagnostic system U3000-44
Control Module - Data
memory failure
Control module data
memory failure
Refer to the electrical circuit diagrams and check
the power and ground circuits to the component.
Refer to the warranty policy and procedures
manual if a module is suspect

DTC Description Possible Causes Action B1C03-24
Memory #1 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 B1C04-24
Memory #2 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 B1C05-24
Memory #3 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 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. Refer to the
electrical circuit diagrams and check CAN
network to climate controlled seat module
for short, open circuit U0140-00
Lost communication with
CJB - No sub type
information
Lost communication with CJB
Carry out any pinpoint tests associated
with this DTC using the manufacturer
approved diagnostic system. Check CJB for
related DTCs and refer to the relevant DTC
Index U0142-00
Lost communication with
RJB - No sub type
information
Lost communication with RJB
Carry out any pinpoint tests associated
with this DTC using the manufacturer
approved diagnostic system. Check RJB for
related DTCs and refer to the relevant DTC
Index U0155-00
Lost communications with
instrument cluster - No sub
type information
Lost communications with
instrument cluster
Carry out any pinpoint tests associated
with this DTC using the manufacturer
approved diagnostic system. Refer to the
electrical circuit diagrams and check CAN
network to climate controlled seat module
and instrument cluster for short, open
circuit U0199-00
Lost communication with
Driver Door Module (DDM) -
No sub type information
Lost communication with DDM
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 configuration message
is received
Re-configure the RJB using the
manufacturer approved diagnostic system.
Clear the DTC and retest. If the DTC is still
logged suspect the DSM/PSM, refer to the
new module installation note at the top of
the DTC Index U1A14-49
CAN Initialisation failure -
Internal electronic failure
Internal electronic failure
Install a new DSM, refer to the new
module installation note at the top of the
DTC Index U1A4C-68
Build/end of line mode
active - Event information
Manufacturing mode has not
been removed
Place DSM in to customer mode using
manufacturer approved diagnostic system U3000-49
Control module - Internal
electronic failure
Internal electronic failure
Install a new DSM, refer to the new
module installation note at the top of the
DTC Index

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 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 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

DTC Description Possible Causes Action B1261-13
Fuel Flap/Door Release
Switch - Circuit open
Fuel filler flap digital
input signal circuit -
open circuit
Refer to the electrical circuit diagrams and check
fuel filler flap digital input signal circuit for open
circuit B1A79-11
Rear Fog Lamp - Circuit
short to ground
Rear fog lamp control
circuit - short to ground
Carry out any pinpoint test associated with this DTC
using the manufacturer approved diagnostic system.
Refer to the electrical circuit diagrams and check
rear fog lamp control circuit for short to ground B1A79-12
Rear Fog Lamp - Circuit
short to battery
Rear fog lamp control
circuit - short to power
Refer to the electrical circuit diagrams and check
rear fog lamp control circuit for short to power B1A79-13
Rear Fog Lamp - Circuit
open
Rear fog lamp control
circuit - open circuit
Refer to the electrical circuit diagrams and check
rear fog lamp control circuit for open circuit B1C55-12
Horn Relay - Circuit
short to battery
Horn control circuit -
short to power
Refer to the electrical circuit diagrams and check
horn control circuit for short to power B1C55-14
Horn Relay - Circuit
short to ground or open
Horn control circuit -
short to ground, open
circuit
Refer to the electrical circuit diagrams and check
horn control circuit for short to ground, open circuit B1C83-12
Rear Defog Relay -
Circuit short to battery
High Side output not
driven - diagnosis
feedback indicates
output is short to power
Refer to the electrical circuit diagrams and check
heated rear window power supply circuit for short to
power B1C83-14
Rear Defog Relay -
Circuit short to ground
or open
High Side output not
driven - diagnosis
feedback indicates
output is short to
ground, open circuit
Refer to the electrical circuit diagrams and check
heated rear window power supply circuit for short to
ground, open circuit B1C83-93
Rear Defog Relay - No
operation
High Side output not
driven - diagnosis
feedback indicates
output is at open load
or short to power
Carry out any pinpoint test associated with this DTC
using the manufacturer approved diagnostic system.
Refer to the electrical circuit diagrams and check
heated rear window power supply circuit for open
load and short to power B1C91-12
Fuel Flap/Door Lock
Relay Coil Circuit -
Circuit short to battery
Fuel filler flap locking
motor control circuit -
short to power
Refer to the electrical circuit diagrams and check
fuel filler flap locking motor control circuit for short
to power B1C91-14
Fuel Flap/Door Lock
Relay Coil Circuit -
Circuit short to ground
or open
Fuel filler flap locking
motor control circuit -
short to ground, open
circuit
Refer to the electrical circuit diagrams and check
fuel filler flap locking motor control circuit for short
to ground, open circuit B1D35-12
Hazard Switch - Circuit
short to battery
Hazard warning lamp
switch digital input
circuit - short to power
Refer to the electrical circuit diagrams and check
hazard warning lamp switch digital input circuit for
short to power B1D35-23
Hazard Switch - Signal
stuck low
Hazard warning lamp
switch digital input
circuit - signal stuck low
Carry out any pinpoint test associated with this DTC
using the manufacturer approved diagnostic system.
Refer to the electrical circuit diagrams and check
hazard warning lamp switch digital input circuit for
short to ground U0019-88
Low Speed CAN
Communication Bus -
Bus off
Bus off
Carry out any pinpoint test associated with this DTC
using the manufacturer approved diagnostic system U0140-00
Lost Communication
With Body Control
Module - No sub type
information
No sub type information
Carry out any pinpoint test associated with this DTC
using the manufacturer approved diagnostic system

DTC Description Possible Causes Action ground, power, open circuit B10CA-1F
Left Rear Door Handle
Antenna - Circuit
intermittent
Circuit intermittent -
general electrical error
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system. Refer to the electrical circuit diagrams and
check left rear door handle antenna circuits for short
to ground, power, open circuit B10CB-1F
Right Rear Door Handle
Antenna - Circuit
intermittent
Circuit intermittent -
general electrical error
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system. Refer to the electrical circuit diagrams and
check right rear door handle antenna circuits for
short to ground, power, open circuit B10CC-24
Left Front Latch Clutch
Switch - Signal stuck
high
Signal stuck high - button
stuck in active position
Check for stuck left front door latch clutch switch.
Refer to the electrical circuit diagrams and check
left front door latch clutch switch circuit for short to
ground B10CD-24
Left Rear Latch Clutch
Switch - Signal stuck
high
Signal stuck high - button
stuck in active position
Check for stuck left rear door latch clutch switch.
Refer to the electrical circuit diagrams and check
left front door latch clutch switch circuit for short to
ground B10CE-24
Right Front Latch
Clutch Switch - Signal
stuck high
Signal stuck high - button
stuck in active position
Check for stuck right front door latch clutch switch.
Refer to the electrical circuit diagrams and check
left front door latch clutch switch circuit for short to
ground B10CF-24
Right Rear Latch Clutch
Switch - Signal stuck
high
Signal stuck high - button
stuck in active position
Check for stuck right rear door latch clutch switch.
Refer to the electrical circuit diagrams and check
left front door latch clutch switch circuit for short to
ground B10D1-24 Left Front Lock Button
- Signal stuck high
Signal stuck high - button
stuck in active position
Check for stuck left front door handle lock switch.
Refer to the electrical circuit diagrams and check
left front door latch clutch switch circuit for short to
ground B10D2-24
Left Rear Lock Button -
Signal stuck high
Signal stuck high - button
stuck in active position
Check for stuck left rear door handle lock switch.
Refer to the electrical circuit diagrams and check
left front door latch clutch switch circuit for short to
ground B10D3-24
Right Front Lock
Button - Signal stuck
high
Signal stuck high - button
stuck in active position
Check for stuck right front door handle lock switch.
Refer to the electrical circuit diagrams and check
left front door latch clutch switch circuit for short to
ground B10D4-24 Right Rear Lock Button
- Signal stuck high
Signal stuck high - button
stuck in active position
Check for stuck right rear door handle lock switch.
Refer to the electrical circuit diagrams and check
left front door latch clutch switch circuit for short to
ground U0010-00
Medium Speed CAN
Communication Bus -
No subtype information
No subtype information
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 U0140-00
Lost Communication
With Body Control
Module - No subtype
information
Missing message from
CJB
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 power
and ground supplies to CJB