Range Rover Sport. Manual — part 57
Air spring
valve,
repeated or
frequent level
activity in the
down direction
Corner valve stuck
open
Corner valve leak to
gallery
Refer to the approved diagnostic system for corner valve checks.
C113066
Air spring air
supply,
repeated or
frequent level
activity in the
up direction
Air spring leak
Air harness leak
Corner valve leak to
gallery
Exhaust valve stuck
open
Visually inspect the system for air leakage. Refer to the guided
diagnostic routine for this code on the approved diagnostic
system.
C11307A
Air spring air
supply, unable
to lift
Detached air pipe
Loose or burst air
pipe
Excessive air spring
leak
Height sensor stuck
Height sensor failure
Blockage in air
harness
Visually inspect the system for an excessive air leak. Check the
height sensor linkage(s) for damage/restrictions. Visually inspect
the air harness for evidence of melting, crushing, kinking or
collapsing. Refer to the guided diagnostic routine for this code on
the approved diagnostic system.
C113192
Air supply,
unable to
pressurize
gallery
Insufficient pressure
from compressor
Detached air pipe
Loose or burst air
pipe
Reservoir valve
block pipes
incorrectly fitted
(unions reversed)
Pressure sensor
fault
Visually inspect the system for air leakage. Check the reservoir
valve block pipes for correct routing and installation.
C1A001C
Battery voltage
out of range
(too low to
operate air
suspension)
Low battery voltage
One or more valve
supplies: intermittent
short circuit to
ground
Check the battery charge and condition. Refer to the guided
diagnostic routine for this code on the approved diagnostic
system.
C1A001D
Isolation
switch current
monitor
One or more valve
supplies: short
circuit to ground
Rear valve block
disconnected
Air suspension
control module
failure
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. Refer to the warranty policy and
procedures manual if a module is suspect.
C1A0049
Air suspension
control module
failure
Water ingress to
valve wiring harness
or connector(s)
Valve supply
circuit(s): short
circuit to power
Air suspension
control module,
internal electrical
failure
Visually inspect the wiring harness and connectors for water
ingress. Refer to the guided diagnostic routine for this code on
the approved diagnostic system. Refer to the warranty policy and
procedures manual if a module is suspect.
This is not a fault,
System
deflated
the system has been
deflated using the
diagnostic routine
Carry out air suspension deflation exit routine using the approved
diagnostic system or the routine listed at the end of this section.
C1A0054
Air suspension
control
module,
missing
calibration
Air suspension
control module not
calibrated
Air suspension
control module has
been set into
manufacturing,
calibration or tight
tolerance mode
Calibrate the system using the approved diagnostic system.
Clear the DTC and test for normal operation.
C1A0119
Switch pack
LED
overcurrent
(hardware
protection)
LED circuit: short
circuit to power
One or more LEDs
short circuit to each
other
Refer to the guided diagnostic routine for this code on the
approved diagnostic system.
C1A031C
Left-hand front
height sensor,
signal voltage
out of range
Water ingress to
wiring harness or
connectors
Height sensor
linkage
disconnected
Height sensor
linkage
damaged/bent
Height sensor
disconnected
Height sensor
linkage toggled
Height sensor
bracket
damaged/bent
Height sensor
incorrectly installed
Height sensor
installed on wrong
side of vehicle
Height sensor
harness wiring: short
circuit to ground,
short circuit to
power, high
resistance
Height sensor failure
Incorrect height
calibration
Air suspension
control module
failure
Visually inspect the wiring harness and connectors for water
ingress. For height sensor linkage, mounting and circuit tests
refer to the guided diagnostic routine on the approved diagnostic
system. Check the height sensor bracket condition and security.
Check the height sensor for correct fitment and torque of fixings.
If any height sensor fixings are slackened or found to be loose,
or a height sensor has been changed, the vehicle ride height
must be re-calibrated. Calibrate the system using the approved
diagnostic system. Refer to the warranty policy and procedures
manual if a module is suspect.
C1A0326
Left-hand front
height sensor,
signal voltage
stuck whilst
vehicle is
Water ingress to
wiring harness or
connectors
Height sensor
linkage
disconnected
Height sensor
harness wiring: short
circuit to ground,
short circuit to
Visually inspect the wiring harness and connectors for water
ingress. Refer to the guided diagnostic routine for this code on
the approved diagnostic system. Refer to the warranty policy and
procedures manual if a module is suspect.
power, high
resistance
Height sensor failure
Air suspension
control module
failure
procedures manual if a module is suspect.
C1A0329
Left-hand front
height sensor,
signal invalid
Water ingress to
wiring harness or
connectors
Height sensor
linkage
damaged/bent
Height sensor
bracket
damaged/bent
Height sensor
incorrectly installed
Height sensor
harness wiring: short
circuit to ground,
short circuit to
power, high
resistance
Height sensor failure
Incorrect height
calibration process
Visually inspect the wiring harness and connectors for water
ingress. Refer to the guided diagnostic routine for this code on
the approved diagnostic system. Check the height sensor
bracket condition and security. Check the height sensor for
correct fitment and torque of fixings. If any height sensor fixings
are slackened or found to be loose, or a height sensor has been
changed, the vehicle ride height must be re-calibrated. Calibrate
the system using the approved diagnostic system.
C1A0392
Left-hand front
height sensor,
height
changing
slower than
expected
Suspension
prevented from
moving
Height sensor
incorrectly installed
Air spring leak
Air harness leak
Blocked/damaged
air harness
Blocked/damaged
gallery pipe
Corner valve stuck
closed
Front or rear valve
block pipes
incorrectly fitted
(unions reversed)
Reservoir valve
block pipes
incorrectly fitted
(unions reversed)
Reservoir valve
stuck open
Exhaust valve stuck
closed
Corner valve air leak
Pressure sensor
fault
Height sensor failure
Check that the vehicle is free of obstructions. Check the height
sensor for correct fitment and torque of fixings. If any height
sensor fixings are slackened or found to be loose, or a height
sensor has been changed, the vehicle ride height must be re-
calibrated. Calibrate the system using the approved diagnostic
system. Refer to the guided diagnostic routine for this code on
the approved diagnostic system. Check for an air spring leak.
Check the air harness for evidence of melting, crushing, kinking
or collapsing. Check the front and rear valve block pipes for
correct routing and installation. Check the reservoir valve block
pipes for correct routing and installation. Refer to the approved
diagnostic system for corner, reservoir and exhaust valve
checks. Check the corner valve for leaks.
Water ingress to
wiring harness or
connectors
Height sensor
linkage
disconnected
Right-hand
front height
sensor, signal
voltage out of
range
Height sensor
linkage
damaged/bent
Height sensor
disconnected
Height sensor
linkage toggled
Height sensor
bracket
damaged/bent
Height sensor
incorrectly installed
Height sensor
installed on wrong
side of vehicle
Height sensor
harness wiring: short
circuit to ground,
short circuit to
power, high
resistance
Height sensor failure
Incorrect height
calibration
Air suspension
control module
failure
Visually inspect the wiring harness and connectors for water
ingress. Refer to the guided diagnostic routine for this code on
the approved diagnostic system. Check the height sensor
bracket condition and security. Check the height sensor for
correct fitment and torque of fixings. If any height sensor fixings
are slackened or found to be loose, or a height sensor has been
changed, the vehicle ride height must be re-calibrated. Calibrate
the system using the approved diagnostic system. Refer to the
warranty policy and procedures manual if a module is suspect.
C1A0426
Right-hand
front height
sensor, signal
voltage stuck
whilst vehicle
is driven
Water ingress to
wiring harness or
connectors
Height sensor
linkage
disconnected
Height sensor
harness wiring: short
circuit to ground,
short circuit to
power, high
resistance
Height sensor failure
Air suspension
control module
failure
Visually inspect the wiring harness and connectors for water
ingress. Refer to the guided diagnostic routine for this code on
the approved diagnostic system. Refer to the warranty policy and
procedures manual if a module is suspect.
C1A0429
Right-hand
front height
sensor, signal
invalid
Water ingress to
wiring harness or
connectors
Height sensor
linkage
damaged/bent
Height sensor
bracket
damaged/bent
Height sensor
incorrectly installed
Height sensor
harness wiring: short
circuit to ground,
short circuit to
power, high
resistance
Height sensor failure
Incorrect height
calibration process
Visually inspect the wiring harness and connectors for water
ingress. Refer to the guided diagnostic routine for this code on
the approved diagnostic system. Check the height sensor
bracket condition and security. Check the height sensor for
correct fitment and torque of fixings. If any height sensor fixings
are slackened or found to be loose, or a height sensor has been
changed, the vehicle ride height must be re-calibrated. Calibrate
the system using the approved diagnostic system.
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