Jaguar XJ (X350). Manual — part 1448

the DTC resets suspect the
control module. Refer to the
warranty policy and
procedures manual if a module
is suspect.

B120813

Driver seat
cushion
temperature sensor

•

The driver seat cushion
heater and blower
assembly circuit open
circuit.

•

Climate controlled seat
module (CCS) failure.

Check the drivers seat cushion
heater and blower assembly
circuit. Refer to the electrical
guides. Install a new drivers
seat heater and blower
assembly if necessary. Clear
the DTCs and test for normal
operation. Check the CCS
ground supply and relay
circuits. Refer to the electrical
guides. Rectify as necessary.
Clear the DTC. Cycle the
ignition and retest. If the DTC
resets suspect the control
module. Refer to the warranty
policy and procedures manual
if a module is suspect.

B120913

Driver seat back
temperature sensor

•

The driver seat
backrest heater and
blower assembly
circuit open circuit.

•

Climate controlled seat
module (CCS) failure.

Check the drivers seat backrest
heater and blower assembly
circuit. Refer to the electrical
guides. Install a new drivers
seat heater and blower
assembly if necessary. Clear
the DTCs and test for normal
operation. Check the CCS
ground supply and relay
circuits. Refer to the electrical
guides. Rectify as necessary.
Clear the DTC. Cycle the
ignition and retest. If the DTC
resets suspect the control
module. Refer to the warranty
policy and procedures manual
if a module is suspect.

B120A13

Passenger seat
cushion
temperature sensor

•

Passenger seat cushion
seat heater and blower
assembly circuit open
circuit.

•

Climate controlled seat
module (CCS) failure.

Check the passenger seat
cushion heater and blower
assembly circuit. Refer to the
electrical guides. Install a new
passenger seat heater and
blower assembly if necessary.
Clear the DTCs and test for
normal operation. Check the
CCS ground supply and relay
circuits. Refer to the electrical

guides. Rectify as necessary.
Clear the DTC. Cycle the
ignition and retest. If the DTC
resets suspect the control
module. Refer to the warranty
policy and procedures manual
if a module is suspect.

B120B13

Passenger seat
back temperature
sensor

•

Passenger seat backrest
front seat heater and
blower assembly
circuit open circuit.

•

Passenger seat backrest
over temperature fault.

•

Climate controlled seat
module (CCS) failure.

Check the passenger seat
backrest heater and blower
assembly circuit. Refer to the
electrical guides. Install a new
front seat heater and blower
assembly if necessary. Clear
the DTCs and test for normal
operation. Check the CCS
ground supply and relay
circuits. Refer to the electrical
guides. Rectify as necessary.
Clear the DTC. Cycle the
ignition and retest. If the DTC
resets suspect the control
module. Refer to the warranty
policy and procedures manual
if a module is suspect.

U000188

High speed
controller area
network (CAN)
communication
bus

•

CAN signal fault.

•

Climate controlled seat
module (CCS) failure.

Check the CAN circuits. Refer
to the electrical guides.
Rectify as necessary. Clear the
DTCs and test for normal
operation. Check the CCS
ground supply and relay
circuits. Refer to the electrical
guides. Rectify as necessary.
Clear the DTC. Cycle the
ignition and retest. If the DTC
resets suspect the control
module. Refer to the warranty
policy and procedures manual
if a module is suspect.

U014000

Lost
Communication
With Body Control
Module

•

CAN Bus circuit fault -
body control module
(Front Smart Junction
Box)

Check other modules for
stored DTC's. Refer to
electrical circuit diagrams,
notes and check CAN Bus
circuit to body control module
(Front Smart Junction Box) for
fault.

U014200

Lost
Communication
With Body Control
Module "B"

•

CAN Bus circuit fault -
body control module
(B) (Rear Smart

Check other modules for
stored DTC's. Refer to
electrical circuit diagrams,
notes and check CAN Bus

www.

Junction Box)

circuit to body control module
(B) (Rear Smart Junction Box)
for fault.

U015500

Lost
Communication
With Instrument
Panel Cluster
(IPC) Control
Module

•

CAN Bus circuit fault -
instrument panel
cluster

Check other modules for
stored DTC's. Refer to
electrical circuit diagrams,
notes and check CAN Bus
circuit to instrument panel
cluster for fault.

U015600

Lost
Communication
With Information
Centre "A"

•

CAN Bus circuit fault -
Information Centre
(Infotainment Control
Module)

Check other modules for
stored DTC's. Refer to
electrical circuit diagrams,
notes and check CAN Bus
circuit to information centre
"A" (Infotainment Control
Module) for fault.

U030000

Internal Control
Module Software
Incompatibility

•

Configuration fault

The module can be configured
using the new module
procedure.

U040100

Invalid Data
Received From
ECM/PCM

•

CAN Bus circuit fault -
engine control module

Check other modules for
stored DTC's. Refer to
electrical circuit diagrams,
notes and check CAN Bus
circuit to engine control
module for fault.

U210100

Control module
configuration
incompatible

•

Module not
Configured.

•

Incorrect module
fitted.

Check the control module
power supply and relay
circuits. Refer to the electrical
guides. Rectify as necessary.
Clear the DTC. Cycle the
ignition and retest. If the DTC
resets suspect the control
module. Refer to the warranty
policy and procedures manual
if a module is suspect.

U210538

Switch pack signal
A

•

Possible open circuit.

•

Short circuit to power.

•

Pulse width modulated
(PWM) signal from
switchpack to climate
controlled seat module
(CCSM) is potentially
corrupt.

Carry out any pinpoint tests
associated with this DTC
using the manufacturer
approved diagnostic system.
Check the driver PWM signals
and circuits. Refer to the
electrical guides. Rectify as
necessary. Clear the DTCs and
test for normal operation.

U210638

Switch pack signal
B

•

Possible open circuit.

•

Short circuit to power.

•

Pulse width modulated
(PWM) signal from

Carry out any pinpoint tests
associated with this DTC
using the manufacturer
approved diagnostic system.

switchpack to climate
controlled seat module
(CCSM) is potentially
corrupt.

Check the passenger PWM
signals and circuits. Refer to
the electrical guides. Rectify
as necessary. Clear the DTCs
and test for normal operation.

U300004 Control module

•

Climate controlled seat
module (CCSM)
failure.

Check the control module
power supply and relay
circuits. Refer to the electrical
guides. Rectify as necessary.
Clear the DTC. Cycle the
ignition and retest. If the DTC
resets suspect the control
module. Refer to the warranty
policy and procedures manual
if a module is suspect.

U300362 Battery Voltage

•

Climate controlled seat
module power supply
circuit fault

Refer to electrical circuit
diagrams, notes and check
climate controlled seat module
power and ground circuit for
fault.

Pinpoint Tests

PINPOINT TEST G1014305p1 : Front seat
fore/aft movement not functioning

G1014305t1 : Check for front seat forward-rearward seat
motor operation

1.

WARNING: Before work is carried out, make the air bag supplemental restraint

system safe. For additional information, refer to Standard Workshop Practices section
of workshop manual.

Set ignition status to ' ON'. 2. From the switch pack, operate the front seat forward-rearward
seat motor switch and listen for evidence of the motor operating.

•

Does the motor operate?

-> Yes
GO to Pinpoint Test G1014305t2.

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