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Driver/Passenger Front Seat Module (DSM/PSM): DTCs

DRIVER/PASSENGER FRONT SEAT MODULE (DSM/PSM) DTCs

DTC Description Possible Causes Action
B105D-11 Seat Bolster Inflate Output - Circuit short to ground
  • Circuit short to ground
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat bolster circuit.
B105D-15 Seat Bolster Inflate Output - Circuit short to battery or open
  • Circuit short to power or open
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat bolster circuit.
B105E-11 Seat Bolster Deflate Output - Circuit short to ground
  • Circuit short to ground
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat bolster circuit.
B105E-15 Seat Bolster Deflate Output - Circuit short to battery or open
  • Circuit short to power or open
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat bolster circuit.
B105F-11 Seat Cushion Extension Motor Output - Circuit short to ground
  • Circuit short to ground
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat cushion extension circuit.
B105F-15 Seat Cushion Extension Motor Output - Circuit short to battery or open
  • Circuit short to power or open
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat cushion extension circuit.
B1060-11 Seat Headrest Motor Output - Circuit short to ground
  • Circuit short to ground
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat headrest motor circuit.
B1060-15 Seat Headrest Motor Output - Circuit short to battery or open
  • Circuit short to power or open
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat headrest motor circuit.
B1063-31 Seat Cushion Extension Motor Sensor - No signal
  • No signal from sensor
  • Sensor/motor malfunction
  • Harness/connector problem
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat cushion motor sensor circuit.
B1064-31 Seat Headrest Motor Sensor - No signal
  • No signal from sensor
  • Sensor/motor malfunction
  • Harness/connector problem
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat headrest motor sensor circuit.
B1065-24 Cushion Extend Switch - Signal stuck high
  • Signal stuck high
  • Switch malfunction
Check the switch function. Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the switch circuit.
B1066-24 Cushion Retract Switch - Signal stuck high
  • Signal stuck high
  • Switch malfunction
Check the switch function. Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the switch circuit.
B1067-24 Lumbar In Switch - Signal stuck high
  • Signal stuck high
  • Switch malfunction
Check the switch function. Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the switch circuit.
B1068-24 Lumbar Out Switch - Signal stuck high
  • Signal stuck high
  • Switch malfunction
Check the switch function. Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the switch circuit.
B1069-24 Lumbar Down Switch - Signal stuck high
  • Signal stuck high
  • Switch malfunction
Check the switch function. Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the switch circuit.
B106A-24 Lumbar Down Switch -signal stuck high
  • Lumbar down switch, faulty or circuit short to power
Check switch operation. Refer to the electrical circuit diagrams and check, lumbar down switch for fault or circuit short to power.
B106B-24 Bolster Inflate Switch - Signal stuck high
  • Signal stuck high
  • Switch malfunction
Check the switch function. Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the switch circuit.
B106C-24 Bolster Deflate Switch - Signal stuck high
  • Signal stuck high
  • Switch malfunction
Check the switch function. Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the switch circuit.
B106D-24 Headrest Up Switch - Signal stuck high
  • Signal stuck high
  • Switch malfunction
Check the switch function. Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the switch circuit.
B106E-24 Headrest Down Switch - Signal stuck high
  • Signal stuck high
  • Switch malfunction
Check the switch function. Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the switch circuit.
B1087-83 LIN Bus "A" - Value of signal protection calculation incorrect
  • LIN bus checksum error

    value of signal protection calculation incorrect

  • Generic LIN bus failure
Check for other LIN Bus related DTCs. Refer to the electrical circuit diagrams and check the LIN Bus circuit.
B1087-86 LIN Bus "A" - Signal invalid
  • Generic LIN bus failure
  • Signal invalid

    LIN bus Bit error / Parity Error /Synch Error

Check for other LIN Bus related DTCs. Refer to the electrical circuit diagrams and check the LIN Bus circuit.
B1087-87 LIN Bus "A" - Missing message
  • Generic LIN bus failure
  • Missing message

    Slave not responding or LIN bus short circuit to ground or power

Check for other LIN Bus related DTCs. Refer to the electrical circuit diagrams and check the LIN Bus circuit.
B1136-11 Lumbar Control A - Circuit short to ground
  • Circuit short to ground
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the lumbar control circuit.
B1136-12 Lumbar Control A - Circuit short to battery
  • Circuit short to power
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the lumbar control circuit.
B1136-13 Lumbar Control A - Circuit open
  • Circuit open circuit
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the lumbar control circuit.
B1137-11 Lumbar Control B - Circuit short to ground
  • Circuit short to ground
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the lumbar control circuit.
B1137-12 Lumbar Control B - Circuit short to battery
  • Circuit short to power
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the lumbar control circuit.
B1137-13 Lumbar Control B - Circuit open
  • Circuit open circuit
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the lumbar control circuit.
B1138-11 Lumbar Control C - Circuit short to ground
  • Circuit short to ground
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the lumbar control circuit.
B1138-12 Lumbar Control C - Circuit short to battery
  • Circuit short to power
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the lumbar control circuit.
B1138-13 Lumbar Control C - Circuit open
  • Circuit open circuit
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the lumbar control circuit.
B1139-11 Lumbar Control D - Circuit short to ground
  • Circuit short to ground
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the lumbar control circuit.
B1139-12 Lumbar Control D - Circuit short to battery
  • Circuit short to power
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the lumbar control circuit.
B1139-13 Lumbar Control D - Circuit open
  • Circuit open circuit
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the lumbar control circuit.
B113A-00 General Failure on Seat Lumbar - No sub type information
  • No sub type information
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the lumbar control circuit.
B113B-00 Lumbar Control Multiple Failures - No sub type information
  • No sub type information
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the lumbar control circuit.
B131C-11 Rear Seat Recline Motor Relay Control - circuit short to ground
  • Related internal feedback line not set while output is activated. Output is protected
  • Rear seat recline motor circuit short to ground
Refer to the electrical circuit diagrams and check rear seat recline motor circuit for short to ground. Check and install a new rear seat recline motor relay as required.
B131C-15 Rear Seat Recline Motor Relay Control - circuit short to battery or open
  • Related internal feedback line not set while output is activated. Output is protected
  • Rear seat recline motor circuit short to power, open circuit
Refer to the electrical circuit diagrams and check rear seat recline motor circuit for short to power, open circuit. Check and install a new rear seat recline motor relay as required.
B131D-31 Rear Seat Recline Motor Speed/ Position Sensor - no signal
  • Rear seat recline circuit short to ground, short to power, open circuit
  • Rear seat recline sensor/motor failure
Refer to the electrical circuit diagrams and check rear seat recline motor circuit for short to ground, short to power, open circuit. Check and install a new rear seat recline motor as required.
B1332-87 Drivers Side Rear Seat Switch Pack - missing message
  • Slave not responding
  • LIN bus short circuit to ground, short to power
Refer to electrical circuit diagrams and test LIN Bus between passengers side rear seat switch-pack and control module for open circuit, short to power or ground. Check power and ground supplies to switch-pack.
B1333-02 Passengers Side Rear Seat switch-pack - General signal failure
  • Switch status (on/off). Switch detected as active for more than 30sec
Check switch-pack for inadvertently pressed or stuck buttons. Check and install a new passengers side rear seat switch-pack as required.
B1333-87 Passengers Side Rear Seat switch-pack - missing message
  • Slave not responding
  • LIN bus short circuit to ground, short to power
Refer to electrical circuit diagrams and test LIN Bus between passengers side rear seat switch-pack and control module for open circuit, short to power or ground. Check power and ground supplies to switch-pack.
B1B86-11 Seat Height Motor Relay - Circuit short to ground
  • Circuit short to ground
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat height motor circuit.
B1B86-15 Seat Height Motor Relay - Circuit short to battery or open
  • Circuit short to power or open
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat height motor circuit.
B1B87-31 Seat Height Motor Speed/Position Sensor - No signal
  • No signal from sensor
  • Sensor/motor malfunction
  • Harness/connector problem
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat height motor sensor circuit.
B1B88-11 Seat Slide Motor Relay - Circuit short to ground
  • Circuit short to ground
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat slide motor relay circuit.
B1B88-15 Seat Slide Motor Relay - Circuit short to battery or open
  • Circuit short to power or open circuit
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat slide motor relay circuit.
B1B89-31 Seat Slide Motor Speed/Position Sensor - No signal
  • No signal from sensor
  • Sensor/motor malfunction
  • Harness/connector problem
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat slide motor relay circuit.
B1B90-11 Seat Tilt Motor Relay - Circuit short to ground
  • Circuit short to ground
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat tilt motor relay circuit.
B1B90-15 Seat Tilt Motor Relay - Circuit short to battery or open
  • Circuit short to power or open circuit
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat tilt motor relay circuit.
B1B91-31 Seat Tilt Motor Speed/Position Sensor - No signal
  • No signal from sensor
  • Sensor/motor malfunction
  • Harness/connector problem
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat tilt motor speed sensor circuit.
B1B92-11 Seat Recline Motor Relay - Circuit short to ground
  • Circuit short to ground
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat recline motor relay circuit.
B1B92-15 Seat Recline Motor Relay - Circuit short to battery or open
  • Circuit short to power or open circuit
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat recline motor relay circuit.
B1B93-31 Seat Recline Motor Speed/Position Sensor - No signal
  • No signal from sensor
  • Sensor/motor malfunction
  • Harness/connector problem
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat recline motor speed sensor circuit.
B1B94-24 Seat Height Up Switch - Signal stuck high
  • Signal stuck high
  • Switch malfunction
Check the switch function. Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the switch circuit.
B1B95-24 Seat Height Down Switch - Signal stuck high
  • Signal stuck high
  • Switch malfunction
Check the switch function. Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the switch circuit.
B1B96-24 Seat Slide Forward Switch - Signal stuck high
  • Signal stuck high
  • Switch malfunction
Check the switch function. Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the switch circuit.
B1B97-24 Seat Slide Backward Switch - Signal stuck high
  • Signal stuck high
  • Switch malfunction
Check the switch function. Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the switch circuit.
B1B98-24 Seat Tilt Up Switch - Signal stuck high
  • Signal stuck high
  • Switch malfunction
Check the switch function. Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the switch circuit.
B1B99-24 Seat Tilt Down Switch - Signal stuck high
  • Signal stuck high
  • Switch malfunction
Check the switch function. Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the switch circuit.
B1C00-24 Seat Recline Up Switch - Signal stuck high
  • Signal stuck high
  • Switch malfunction
Check the switch function. Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the switch circuit.
B1C01-24 Seat Recline Down Switch - signal stuck high
  • Seat recline down switch, faulty or circuit short to power
Check switch operation. Refer to the electrical circuit diagrams and check, seat recline down switch for fault or circuit short to power.
B1C02-24 Memory Store Switch - signal stuck high
  • Memory store switch, faulty or circuit short to power
Check switch operation. Refer to the electrical circuit diagrams and check, memory Store switch for fault or circuit short to power.
B1C03-24 Memory #1 Switch - signal stuck high
  • Memory #1 switch, faulty or circuit short to power
Check switch operation. Refer to the electrical circuit diagrams and check, memory #1 switch for fault or circuit short to power.
B1C04-24 Memory #2 Switch - signal stuck high
  • Memory #2 switch, faulty or circuit short to power
Check switch operation. Refer to the electrical circuit diagrams and check, memory #2 switch for fault or circuit short to power.
B1C05-24 Memory #3 Switch - signal stuck high
  • Memory #3 switch, faulty or circuit short to power
Check switch operation. Refer to the electrical circuit diagrams and check, memory #3 switch for fault or circuit short to power.
B1C10-24 Seat Recline Down Switch - Signal stuck high
  • Signal stuck high
  • Switch malfunction
Check the switch function. Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the switch circuit.
B1D94-11 Lumbar Motor Relay - Circuit short to ground
  • Circuit short to ground
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat lumbar motor relay circuit.
B1D94-15 Lumbar Motor Relay - Circuit short to battery or open
  • Circuit short to power or open circuit
Check the seat wiring harness/connectors for security/integrity. Refer to the electrical circuit diagrams and check the seat lumbar motor relay circuit.
U0010-88 Medium speed CAN Communication Bus - Bus off
  • CAN signal fault.
  • Possible open circuit.
  • Faulty Control module.
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.
U0140-00 Lost Communication With Body Control Module - No sub type information
  • No sub type information
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 Central Junction Box and Seat Module.
U0142-00 Lost Communication With Body Control Module "B" - No sub type information
  • No sub type information
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 Central Junction Box and Seat Module.
U0155-00 Lost Communication With Instrument Panel Cluster (IPC) Control Module - No sub type information
  • No sub type information
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 Instrument Cluster and Seat Module.
U0199-00 Lost Communication With "Door Control Module A" - No sub type information
  • No sub type information
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 Driver Door Module and Seat Module.
U0209-00 Lost Communication With Seat Control Module B - no sub type information
  • Power supply fault
  • Wiring harness fault
No passenger's seat climate functionality. 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 passenger's seat control module and the Touch Screen Display Control Module. Refer to the electrical circuit diagrams and check the power and ground connections to the passenger's seat control module.
U0300-00 Software Incompatibility - No sub type information
  • No sub type information
Check the module configuration using the approved diagnostic system. Check that the module software versions are the latest release and update as necessary.
U1A14-49 CAN Initialization Failure - Internal electronic failure
  • Internal electronic failure
Suspect the driver seat module, check and install a new module as required, refer to the Warranty Policy and Procedures information if a module is suspect.
U1A4C-00 Build / End of Line mode Active - No sub type information
  • Vehicle configuration incorrect
Check the module configuration using the approved diagnostic system.
U2100-00 Initial Configuration Not Complete - no sub type information
  • Incorrect Car Configuration File (CCF)
Check Car Configuration File (CCF) is correct. Ensure all the correct seat options are enabled/disabled as required. Clear the DTC and re-test. Clear the DTC and re-test.
U2101-00 Control Module Configuration Incompatible - no sub type information
  • Incorrect Car Configuration File (CCF)
Check Car Configuration File (CCF) is correct. Ensure all the correct seat options are enabled/disabled as required. Clear the DTC and re-test. Clear the DTC and re-test.
U3000-49 Control Module - Internal electronic failure
  • Internal electronic failure

    Internal RAM/ROM error

Renew the Control module. Refer to the Warranty Policy and Procedures information if a module is suspect.
U3001-46 Control Module Improper Shutdown - Calibration/parameter memory failure
  • Event information
DTC for information only. Clear the DTC and retest. If the problem persists, renew the module. Refer to the warranty policies and procedures before renewing a control module.
U3002-81 Vehicle Identification Number - Invalid serial data received
  • Invalid serial data received
Configure the module using the manufacturers approved diagnostic system.
U3003-16 Battery Voltage - Circuit voltage below threshold
  • Battery voltage below threshold (8 volts)
Check vehicle battery and charging system. Refer to the relevant instructions in the workshop information. Refer to the electrical circuit diagrams and check the power supply circuits to the module.
U3003-17 Battery Voltage - Circuit voltage above threshold
  • Battery voltage above threshold
Check vehicle battery and charging system. Refer to the relevant instructions in the workshop information. Refer to the electrical circuit diagrams and check the power supply circuits to the module.