DTC Description Possible Cause Action B1C0024
Seat Recline Up
Switch
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 and seat
recline up circuit for short to ground B1C0124
Seat Recline Down
Switch
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 and check seat
recline down circuit for short to ground B1C0224 Memory Store Switch
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 B1C0324 Memory #1 Switch
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 B1C0424 Memory #2 Switch
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 B1C0524 Memory #3 Switch
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 U001088
Medium speed Can
communication Bus
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 U014000
Lost communication
with CJB
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 U014200
Lost communication
with RJB
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 U015500
Lost
communications
with instrument
cluster
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 U019900
Lost communication
with Driver Door
Module (DDM)
Lost communication with DDM Carry out any pinpoint tests associated with this DTC
using the manufacturer approved diagnostic system U030000
Internal control
module software
incompatibility
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 U1A1449
CAN Initialisation
failure
Internal electronic failure Install a new DSM, refer to the new module installation
note at the top of the DTC Index U1A4C68
Build/end of line
mode active
Manufacturing mode has not
been removed Place DSM in to customer mode using manufacturer
approved diagnostic system U300049 Control module
Internal electronic failure Install a new DSM, refer to the new module installation
note at the top of the DTC Index U300055
Stored vehicle
configuration data
does not match
Incorrect car configuration data
received Re-configure the RJB using the manufacturer approved
diagnostic system. Clear DTC and re-test. If the DTC
remains suspect the DSM, refer to the new module
installation note at the top of the DTC Index U300087 Control Module
Missing message Re-configure the RJB using the manufacturer approved
diagnostic system. Check DSM for DTCs and refer to the
DTC Index. Check CAN network integrity using the
manufacturer approved diagnostic system U300146
Control module
improper shutdown
Calibration/parameter memory
failure Check for DTCs that could indicate power failure to the
module and refer to the DTC Index U300281
Vehicle
Identification
Number (VIN)
Vehicle/component mis-match.
Corrupt VIN data being
transmitted, module previously
installed to other vehicle Install original module, check for DTCs and refer to
relevant DTC Index U300316 Battery Voltage
Circuit voltage below threshold Carry out any pinpoint tests associated with this DTC
using the manufacturer approved diagnostic system
DTC Description Possible Causes Action U2101-00 Control module
Compatible central car
Using the manufacturer approved diagnostic Configuration Incompatible - No sub configuration file not system check and update the car configuration file type information received by front seat as required. Carry out on demand self test using climate control module manufacturer approved diagnostic system to confirm rectification. Clear the DTC and retest U3000-04
Control Module -
System internal
failures
Front seat climate control
module - Internal failure
Check and install new front seat climate control
module as required. Carry out on demand self test
using manufacturer approved diagnostic system to
confirm rectification U3003-62
Battery Voltage -
Signal compare failure
Wiring harness fault
Battery internal failure
Charging system fault
Refer to the electrical circuit diagrams and check
the power and ground connections to the front
seat climate control module and the central
junction box
Refer to the battery care manual and verify that
the vehicle battery is fully charged and serviceable
before continuing with further diagnostic tests
Check the vehicle charging system
