2010 JAGUAR XFR u0142

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 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 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 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 U0142-00
Lost Communication
With Body Control
Module "B" - No
subtype information
Missing message from
RJB
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 RJB U0155-00
Lost Communication
With Instrument Panel
Cluster (IPC) Control
Module - No subtype
information
Missing message from
instrument cluster
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 instrument cluster U0300-00
Internal Control
Module Software
Incompatibility - No
subtype 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 remote
keyless entry module, refer to the new module
installation note at the top of the DTC Index U201F-00
External Receiver - No
subtype information
No subtype information -
communication error
Suspect the RF receiver, check and install a new RF
receiver as required, refer to the new
module/component installation note at top of DTC
Index U201F-13
External Receiver -
Circuit open
Line open
Refer to the electrical circuit diagrams and test RF
receiver communication circuit to remote keyless
entry module for short to ground or open circuit U201F-87
External Receiver -
Missing message
Transmission error
Refer to the electrical circuit diagrams and check
the data line between the RF receiver and the
remote keyless entry module for short, open circuit.
Suspect the RF receiver or remote keyless entry
module, check and install a new RF receiver or
remote keyless entry module as required, refer to
the new module/component installation note at top
of DTC Index U2100-00
Initial Configuration
Not Complete - No
subtype information
No subtype information
Configure the Remote Keyless Entry module using
the manufacturer approved diagnostic system U2101-00
Control Module
Configuration
Incompatible - No subtype information
No subtype information
Re-configure the RJB using the manufacturer
approved diagnostic system U3000-49
Control Module -
Internal electronic
failure
Internal electronic failure
Install a new remote keyless entry module, refer to
the new module installation note at the top of the
DTC Index U3002-81
Vehicle Identification
Number - Invalid serial
data received
Vehicle/component
mis-match. Module
previously installed to
other vehicle
Install correct/new module to vehicle specification,
refer to the new module/component installation
note at the top of the DTC Index U3003-62
Battery Voltage -
Signal compare failure
Mis-match in battery
voltage, of 2 volts or
more, between remote
keyless entry module and
RJB
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system
Refer to the relevant section of the workshop
manual and test the battery and charging system

DTC Description Possible Causes Action C1A64-68
Spare Wheel Tire
Pressure Sensor and Transmitter Assembly -
Event information
Information only - vehicle
exposed to extreme
temperature environment
and/or tire pressure
sensor low battery
voltage event
No action required C1A64-91
Spare Wheel Tire
Pressure Sensor and Transmitter Assembly -
Parametric
Tire pressure sensor has
reported out of range
information for pressure,
temperature or
acceleration
Replace defective tire pressure sensor, refer to
the relevant section of the workshop manual C1A64-93
Spare Wheel Tire
Pressure Sensor and Transmitter Assembly -
No operation
Missing, incompatible or
defective tire pressure
sensor or radio frequency
receiver
For additional information, refer to: Wheels and
Tires (204-04 Wheels and Tires, Diagnosis and
Testing).Go to pinpoint test H in section 204-04,
Diagnosis and Testing, Wheels and Tires C1D19-11
External Receiver Data
Line - Circuit short to
ground
Tire pressure monitoring
system radio frequency
receiver or data line
circuit is short to ground
For additional information, refer to: Wheels and
Tires (204-04 Wheels and Tires, Diagnosis and
Testing).Go to pinpoint test A in section
204-04,Diagnosis and Testing, Wheels and Tires C1D19-12
External Receiver Data
Line - Circuit short to
battery
Tire pressure monitoring
system radio frequency
receiver or data line
circuit is short to power
For additional information, refer to: Wheels and
Tires (204-04 Wheels and Tires, Diagnosis and
Testing).Go to pinpoint test I in section 204-04,
diagnosis and testing C1D19-87
External Receiver Data
Line - Missing message
Radio Frequency
reception blocked
Tire pressure monitoring
system radio frequency
receiver faulty
Tire pressure monitoring
system radio frequency
receiver or data line
circuits open circuit
Missing, incompatible or
defective tire pressure
sensors
For additional information, refer to: Wheels and
Tires (204-04 Wheels and Tires, Diagnosis and
Testing).Go to pinpoint test J in section 204-04,
Diagnosis and Testing, Wheels and Tires U0010-88
Medium Speed CAN
Communication Bus - Bus
off
CAN bus fault
Carry out CAN network integrity tests. Refer to
the electrical wiring diagrams and check CAN
network for short, open circuit U0140-00
Lost communication with
body control module - No
sub type information
CAN bus fault
Central junction box fault
Refer to the electrical wiring diagrams and check
central junction box power and ground supplies
for short, open circuit. Carry out CAN network
integrity tests U0142-00
Lost Communication With
Body Control Module "B" -
No sub type information
CAN bus fault
Rear junction box fault
Refer to the electrical wiring diagrams and check
rear junction box power and ground supplies for
short, open circuit. Carry out CAN network
integrity tests U0155-00
Lost Communications
With Instrument Panel
Cluster (IPC) Control
Module - No sub type
information
CAN bus fault
Instrument cluster fault
Refer to the electrical wiring diagrams and check
instrument cluster power and ground supplies for
short, open circuit. Carry out CAN network
integrity tests U0164-00
Lost Communication With
HVAC Control Module - No
sub type information
CAN bus fault
Climate control module
fault
Refer to the electrical wiring diagrams and check
climate control module power and ground supplies
for short, open circuit. Carry out CAN network
integrity tests