Jaguar X-Type Sedan and Estate (Wagon). Service manual — part 99
DTC
Description
Possible cause
Action
Ground line to yaw
rate sensor open
circuit
Yaw rate sensor
sending invalid CAN
message
Yaw rate sensor
sending initialization
status fault
Yaw rate sensor
internal failure
C1A9900 Pressure Sensor
Circuit
HCU internal pressure
sensor supply circuit
high resistance
HCU internal pressure
sensor failure
Suspect the HCU, check and install a new HCU as required, refer to the new
module/component installation note at the top of the DTC Index. After
replacement the new HCU must be configured, by carrying out the following
procedure. Ignition ON for 30 seconds, brake warning lamps will remain
illuminated. Ignition OFF. Ignition ON, brake warning lamps will extinguish after 3
seconds.
C1A9913 Pressure Sensor
Circuit
Circuit open. The HCU
has determined an
open circuit via lack of
bias voltage, low
current flow, no
change in the state of
an input in response
to an output
HCU internal pressure
sensor supply circuit
high resistance
HCU internal pressure
sensor failure
Suspect the HCU, check and install a new HCU as required, refer to the new
module/component installation note at the top of the DTC Index. After
replacement the new HCU must be configured, by carrying out the following
procedure. Ignition ON for 30 seconds, brake warning lamps will remain
illuminated. Ignition OFF. Ignition ON, brake warning lamps will extinguish after 3
seconds.
C1B0000 Steering Angle
Sensor
Steering wheel
rotation sensor
internal failure of
software
Install a new steering wheel rotation sensor. Using the manufacturer approved
diagnostic system select the vehicle configuration main menu, set up and
configuration, steering angle sensor calibration.
C1B0008 Steering Angle
Sensor
Bus signal / message
failures which cannot
be assigned to a
specific signal or
message
Ignition supply to
steering wheel
rotation sensor open
circuit
Ground line to
steering wheel
rotation sensor open
circuit
steering wheel
rotation sensor
incorrectly mounted
steering wheel
rotation sensor
internal software
failure
Park the vehicle on a level surface with the wheels in the straight ahead position,
using the manufacturer approved diagnostic system check datalogger signal 3302
steering wheel angle, value should be less than +/- 15 deg. If outside of this limit
the following should be checked. The steering wheel rotation sensor is mounted in
correct position and is free to rotate. Vehicle steering geometry. Refer to the
electrical guides and check ignition supply to steering wheel rotation sensor for
open circuit. Refer to the electrical guides and check ground line to steering wheel
rotation sensor for open circuit. Install new steering wheel rotation sensor as
required. Using the manufacturer approved diagnostic system select the vehicle
configuration main menu, set up and configuration, steering angle sensor
calibration.
C1B0054 Steering Angle
Sensor
Missing calibration.
The steering wheel
rotation sensor has
detected a signal
range failure
Steering wheel
rotation sensor
calibration dataset not
programmed
Steering wheel
rotation sensor
incorrectly mounted
Steering wheel
rotation sensor not
calibrated
Using the manufacturer approved diagnostic system select the vehicle
configuration main menu, set up and configuration, steering angle sensor
calibration. Check the steering wheel rotation sensor is mounted in correct
position and is free to rotate.
C1B0215 Return Pump
Circuit
Circuit short to battery
or open
Low or discharged
battery
Vehicle charging
system failure
Pump supply line is
open circuit
Pump supply line short
to power
Pump motor actuation
failure
Pump motor relay
failure
HCU failure
Recharge vehicle battery. Check vehicle charging system. Refer to the electrical
guides and check pump supply line for open circuit. Refer to the electrical guides
and check pump supply line for short to power. Suspect the HCU, check and install
a new HCU as required, refer to the new module/component installation note at
the top of the DTC Index.
DTC
Description
Possible cause
Action
C1B0271 Return Pump
Circuit
Actuator stuck.
Low or discharged
battery
Vehicle charging
system failure
Pump supply line is
open circuit
Pump supply line short
to power
Pump motor actuation
failure
Pump motor relay
failure
HCU failure
Recharge vehicle battery. Check vehicle charging system. Refer to the electrical
guides and check pump supply line for open circuit. Refer to the electrical guides
and check pump supply line for short to power. Suspect the HCU, check and install
a new HCU as required, refer to the new module/component installation note at
the top of the DTC Index.
U000188 High Speed CAN
Communication
Bus
Bus off.
CAN monitoring has
detected a fault in the
CAN circuit or signal
level
CAN H open circuit
between HCU, PJB and
ECM
CAN L open circuit
between HCU, PJB and
ECM
CAN H circuit, short to
ground between HCU,
PJB and ECM
CAN L circuit, short to
ground between HCU,
PJB and ECM
CAN H circuit, short to
power between HCU,
PJB and ECM
CAN L circuit, short to
power between HCU,
PJB and ECM
Carry out any pinpoint test associated with this DTC using the manufacturer
approved diagnostic system. Refer to the electrical guides, check between HCU
CAN H, PJB CAN H and ECM CAN H for open circuit, short to power, short to
ground. Check between HCU CAN L, PJB CAN L and ECM CAN L for open circuit,
short to power, short to ground.
U010087 Lost
Communication
W ith ECM A
Missing message. The
HCU has not received
one or more expected
messages from the
ECM
CAN H open circuit
between HCU, and
ECM
CAN L open circuit
between HCU, and
ECM
Clear DTCs and re-test for reoccurrence of the DTC after 30s with ignition on. Carry
out any pinpoint test associated with this DTC using the manufacturer approved
diagnostic system. Check ECM for DTCs and refer to the relevant DTC Index. Refer
to the electrical guides, check between HCU CAN H and ECM CAN H for open
circuit. Check between HCU CAN L and ECM CAN L for open circuit.
U012387 Lost
Communication
W ith Yaw Rate
Sensor Module
Missing message. The
HCU has not received
one or more expected
messages from the
yaw rate sensor
module
Yaw rate sensor not
correctly connected
Ignition supply to Yaw
rate sensor open
circuit
Ground line to Yaw
rate sensor open
circuit
CAN H open circuit
between yaw rate
sensor, steering wheel
rotation sensor and
DSC module
CAN L open circuit
between yaw rate
sensor, steering wheel
rotation sensor and
DSC module
Yaw rate sensor
failure
Carry out any pinpoint test associated with this DTC using the manufacturer
approved diagnostic system. Clear DTCs and check for reoccurrence of the fault
after 30 seconds with ignition on. Check yaw rate sensor is correctly connected.
Refer to the electrical guides and check ignition supply to Yaw rate sensor for
open circuit. Refer to the electrical guides and check ground line to Yaw rate
sensor for open circuit. Refer to the electrical guides and check CAN H for open
circuit between yaw rate sensor and DSC module. Refer to the electrical guides
and check CAN L for open circuit between yaw rate sensor and DSC module. Install
new yaw rate sensor as required.
U012687 Lost
Communication
W ith Steering
Angle Sensor
Module
Missing message. The
HCU has not received
one or more expected
messages from the
steering angle sensor
module
Steering wheel
rotation sensor not
correctly connected
Ignition supply to
steering wheel
rotation sensor open
circuit
Ground line to
Carry out any pinpoint test associated with this DTC using the manufacturer
approved diagnostic system. Clear DTCs and check for reoccurrence of the fault
after 30 seconds with ignition on. Check yaw rate sensor, steering wheel rotation
sensor are correctly connected. Refer to the electrical guides and check ignition
supply to Yaw rate sensor, steering wheel rotation sensor for open circuit. Refer to
the electrical guides and check ground line to Yaw rate sensor, steering wheel
rotation sensor for open circuit. Refer to the electrical guides and check CAN H for
open circuit between yaw rate sensor, steering wheel rotation sensor and module.
Refer to the electrical guides and check CAN L for open circuit between yaw rate
sensor, steering wheel rotation sensor and module. Install new steering wheel
rotation sensor as required.
DTC
Description
Possible cause
Action
steering wheel
rotation sensor open
circuit
CAN H open circuit
between yaw rate
sensor, steering wheel
rotation sensor and
module
CAN L open circuit
between yaw rate
sensor, steering wheel
rotation sensor and
module
Steering wheel
rotation sensor failure
U040186 Invalid Data
Received From
ECM
Signal invalid.
Clear DTCs and re-test for reoccurrence of the DTC after 30s with ignition on.
Check ECM for DTCs and refer to the relevant DTC Index.
Published: 11-May-2011
Anti-Lock Control - Stability Assist - Anti-Lock Brake System (ABS) ModuleVIN Range:
C00001->J12991
Removal and Installation
Removal
1. Disconnect the anti-lock brake system (ABS) module electrical
connector.
2. Detach the hydraulic control unit (HCU).
3. Remove the ABS module.
Installation
1. NOTE: Install new retaining bolts.
To install, reverse the removal procedure.
Tighten to 3 Nm.
2. Reprogram the ABS module, using the Jaguar approved diagnostic
system.
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