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Lincoln Navigator: Steering Column / Steering Column. Diagnosis and Testing

Lincoln Navigator 2018-2025 Workshop Manual / Steering System / Steering Column / Steering Column. Diagnosis and Testing

Diagnostic Trouble Code (DTC) Chart

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Module DTC Description Action
DSM B1298:24 Steering Column Adjust Up Switch: Signal Stuck High GO to Pinpoint Test E
DSM B1299:24 Steering Column Adjust Down Switch: Signal Stuck High GO to Pinpoint Test E
DSM B12A1:24 Steering Column Adjust Out Switch: Signal Stuck High GO to Pinpoint Test E
DSM B12A2:24 Steering Column Adjust In Switch: Signal Stuck High GO to Pinpoint Test E
DSM B12A7:11 Steering Column Tilt Sensor A: Circuit Short To Ground GO to Pinpoint Test C
DSM B12A7:15 Steering Column Tilt Sensor A: Circuit Short To Battery Or Open GO to Pinpoint Test C
DSM B12A8:11 Steering Column Telescope Sensor A: Circuit Short To Ground GO to Pinpoint Test C
DSM B12A8:15 Steering Column Telescope Sensor A: Circuit Short To Battery Or Open GO to Pinpoint Test C
DSM B1375:11 Steering Column Tilt Motor: Circuit Short To Ground GO to Pinpoint Test D
DSM B1375:12 Steering Column Tilt Motor: Circuit Short To Battery GO to Pinpoint Test D
DSM B1375:13 Steering Column Tilt Motor: Circuit Open GO to Pinpoint Test D
DSM B137E:11 Steering Column Telescope Motor: Circuit Short To Ground GO to Pinpoint Test D
DSM B137E:12 Steering Column Telescope Motor: Circuit Short To Battery GO to Pinpoint Test D
DSM B137E:13 Steering Column Telescope Motor: Circuit Open GO to Pinpoint Test D
SCCM B1C36:11 Steering Column Adjust Switch: Circuit Short To Ground GO to Pinpoint Test D
SCCM B1C36:13 Steering Column Adjust Switch: Circuit Open GO to Pinpoint Test D
SCCM B1C36:55 Steering Column Adjust Switch: Not Configured GO to Pinpoint Test E
SCCM B1C36:96 Steering Column Adjust Switch: Component Internal Failure GO to Pinpoint Test E
SCCM B1C36:9E Steering Column Adjust Switch: Stuck On GO to Pinpoint Test E

Global Customer Symptom Code (GCSC) Chart

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Symptom Action
Stop/Steer/Ride > Steering/Steering Wheel > Tilt/Telescope > Inoperative GO to Pinpoint Test A
Stop/Steer/Ride > Steering/Steering Wheel > Tilt/Telescope > Inoperative GO to Pinpoint Test B
Stop/Steer/Ride > Steering/Steering Wheel > Tilt/Telescope > Power Control GO to Pinpoint Test B

Symptom Chart

Symptom Chart: Power Adjustable Steering Column

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

Condition Actions
A module does not respond to the diagnostic scan tool  
The adjustable steering column is inoperative in one or more directions using the steering column control switch   GO to Pinpoint Test A
The adjustable steering column is inoperative in one or more directions using the memory position switch   GO to Pinpoint Test B
The adjustable steering column is inoperative in one or more directions using the RKE transmitter   GO to Pinpoint Test B
The adjustable steering column is inoperative in one or more directions using the easy entry/easy exit feature   GO to Pinpoint Test B
The adjustable steering column operates in one second intervals when using the steering column control switch (jog mode)   GO to Pinpoint Test C
The adjustable steering column makes noise in one or more directions using the steering column control switch  
REFER to: Steering Column Motor Lubrication (211-04 Steering Column, General Procedures).

Pinpoint Tests


PINPOINT TEST A: THE ADJUSTABLE STEERING COLUMN IS INOPERATIVE IN ONE OR MORE DIRECTIONS USING THE STEERING COLUMN CONTROL SWITCH

Refer to Wiring Diagrams Cell 128 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Steering Column - System Operation and Component Description (211-04 Steering Column, Description and Operation).

Possible Sources

  • Wiring, terminals or connectors
  • Adjustable steering column tilt motor
  • Adjustable steering column telescopic motor
  • GWM
  • SCCM
  • DSM

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

A1 CHECK THE COMMUNICATION NETWORK
  • Ignition ON.
  • Using a diagnostic scan tool, carry out the Network Test.

Do the GWM , SCCM and DSM all pass the Network Test?
Yes GO to A2
No DIAGNOSE the no communication with the GWM , SCCM or DSM .

A2 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS) IN THE GWM (GATEWAY MODULE A)
  • Using a diagnostic scan tool, carry out the GWM self-test.

Are any Diagnostic Trouble Codes (DTCs) present in the GWM ?
Yes DIAGNOSE the GWM Diagnostic Trouble Codes (DTCs).
No GO to A3

A3 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS) IN THE SCCM (STEERING COLUMN CONTROL MODULE)
  • Using a diagnostic scan tool, carry out the SCCM self-test.

Are any Diagnostic Trouble Codes (DTCs) present in the SCCM ?
Yes DIAGNOSE the SCCM Diagnostic Trouble Codes (DTCs).
REFER to: Steering Wheel and Column Electrical Components (211-05 Steering Wheel and Column Electrical Components, Diagnosis and Testing).
No GO to A4

A4 CHECK THE SCCM (STEERING COLUMN CONTROL MODULE) STEERING COLUMN ADJUST SWITCH (STRCOL_ADJ) PID (PARAMETER IDENTIFICATION)
  • Using a diagnostic scan tool, monitor the SCCM STRCOL_ADJ PID while activating the steering column control switch in all 4 directions.

Does the PID display match each steering column control switch position?
Yes GO to A5
No If the PID displays "No Movement" or "Invalid", or if the PID display does not match one or more switch positions, INSTALL a new steering column control switch.
REFER to: Steering Column Control Switch (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). TEST the system for normal operation. If the adjustable steering column is still inoperative, INSTALL a new SCCM .
REFER to: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).

A5 CHECK THE ADJUSTABLE STEERING COLUMN MOTOR CIRCUITS FOR AN OPEN
  • Ignition OFF.
  • Disconnect DSM C341B.
  • Disconnect Adjustable Steering Column Tilt Motor C2250.
  • Disconnect Adjustable Steering Column Telescope Motor C227.
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C341B-6   C2250-1
      C341B-13   C2250-2
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C341B-3   C227-1
      C341B-12   C227-2

Are the resistances less than 3 ohms?
Yes GO to A6
No REPAIR the circuit.

A6 CHECK THE ADJUSTABLE STEERING COLUMN MOTOR CIRCUITS FOR A SHORT TO GROUND
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2250-1   Ground
      C2250-2   Ground
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C227-1   Ground
      C227-2   Ground

Are the resistances greater than 10,000 ohms?
Yes GO to A7
No REPAIR the circuit.

A7 CHECK THE ADJUSTABLE STEERING COLUMN TILT MOTOR OPERATION
  • Connect Adjustable Steering Column Tilt Motor C2250.
  • Connect a fused jumper wire:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
    Positive battery terminal   C341B-6
  • Momentarily connect a fused jumper wire:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C341B-13   Ground

Does the tilt motor move the steering column when the fused jumper wire is connected to ground?
Yes GO to A8
No INSTALL a new adjustable steering column tilt motor.
REFER to: Steering Column Tilt Motor (211-04 Steering Column, Removal and Installation).

A8 CHECK THE ADJUSTABLE STEERING COLUMN TELESCOPIC MOTOR OPERATION
  • Connect a fused jumper wire:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
    Positive battery terminal   C341B-3
  • Momentarily connect a fused jumper wire:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C341B-12   Ground

Does the telescopic motor move the steering column when the fused jumper wire is connected to ground?
Yes GO to A9
No INSTALL a new steering column telescopic motor.
REFER to: Steering Column Telescopic Motor (211-04 Steering Column, Removal and Installation).

A9 CHECK FOR CORRECT DSM (DRIVER FRONT SEAT MODULE) OPERATION
  • Disconnect and inspect all DSM connectors.
  • Repair:
    • corrosion (install new connector or terminal - clean module pins)
    • damaged or bent pins - install new terminals or pins
    • pushed-out pins - install new pins as necessary
  • Reconnect all DSM connectors. Make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new DSM .
REFER to: Driver Front Seat Module (DSM) (501-10A Front Seats, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST B: THE ADJUSTABLE STEERING COLUMN IS INOPERATIVE IN ONE OR MORE DIRECTIONS USING THE MEMORY POSITION SWITCH, THE RKE (REMOTE KEYLESS ENTRY) TRANSMITTER OR THE EASY ENTRY/EASY EXIT FEATURE

Refer to Wiring Diagrams Cell 128 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Steering Column - System Operation and Component Description (211-04 Steering Column, Description and Operation).

Possible Sources

  • Easy entry/easy exit feature disabled
  • Memory position recall concern
  • RKE feature
  • DSM

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

B1 CHECK THE OPERATION OF THE ADJUSTABLE COLUMN USING THE STEERING COLUMN CONTROL SWITCH
  • Operate the adjustable column in all directions using the steering column control switch.

Does the steering column move for more than one second in each direction using the steering column control switch?
Yes If the adjustable steering column is inoperative using the easy entry/exit feature, GO to B2
If the adjustable steering column is inoperative using the memory position switch, GO to B3
If the adjustable steering column is inoperative using an RKE transmitter, GO to B4
No If the steering column does not move at all in one or more directions using the steering column switch, GO to Pinpoint Test A
If the steering column only moves in one second intervals (jog mode) in one or more directions using the steering column switch, GO to Pinpoint Test C

B2 VERIFY THE EASY ENTRY/EXIT FEATURE IS ENABLED
  • Using the message center, enable the easy entry/exit feature. Refer to the Owner's Literature for additional instructions for using the message center.
  • Activate the easy entry/easy exit feature by turning the ignition on and then off.

Does the adjustable steering column operate using the easy entry/easy exit feature?
Yes The repair is complete. INFORM the customer that the easy entry/easy exit feature was disabled and RETURN the vehicle to the customer.
No GO to B5

B3 CHECK THE OPERATION OF THE MEMORY SEATS AND MEMORY MIRRORS USING THE MEMORY POSITION SWITCH
  • Check the operation of the seats and memory mirrors using the memory position switch. If necessary, refer to the Owner's Literature for additional instructions for programming a memory position.

Do the seats and mirrors operate correctly using the memory position switch?
Yes GO to B5
No DIAGNOSE the memory seat function.
REFER to: Front Seats (501-10A Front Seats, Diagnosis and Testing).

B4 CHECK THE OPERATION OF THE MEMORY SEATS AND MEMORY MIRRORS USING THE RKE (REMOTE KEYLESS ENTRY) TRANSMITTER
  • Check the operation of the seats and mirrors using a RKE transmitter. If necessary, refer to the Owner's Literature for additional instructions for programming a memory position to a RKE transmitter.

Do the seats and mirrors operate correctly using the RKE transmitter?
Yes GO to B5
No DIAGNOSE the RKE seat position recall function.
REFER to: Front Seats (501-10A Front Seats, Diagnosis and Testing).

B5 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS) IN THE BCM (BODY CONTROL MODULE) , GWM (GATEWAY MODULE A) AND DSM (DRIVER FRONT SEAT MODULE)
  • Ignition ON.
  • Using a diagnostic scan tool, carry out a self-test for the following modules:
    • BCM
    • GWM
    • DSM
  • Record all Diagnostic Trouble Codes (DTCs) retrieved from the modules.

Are there any Diagnostic Trouble Codes (DTCs) present in any of the 3 modules?
Yes DIAGNOSE the BCM , GWM or DSM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing).
REFER to: Front Seats (501-10A Front Seats, Diagnosis and Testing).
No GO to B6

B6 CHECK FOR CORRECT DSM (DRIVER FRONT SEAT MODULE) OPERATION
  • Disconnect and inspect all DSM electrical connectors.
  • Repair:
    • corrosion (install new connector or terminal - clean module pins)
    • damaged or bent pins - install new terminals or pins
    • pushed-out pins - install new pins as necessary
  • Connect the DSM electrical connectors.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new DSM .
REFER to: Driver Front Seat Module (DSM) (501-10A Front Seats, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST C: THE ADJUSTABLE STEERING COLUMN OPERATES IN ONE SECOND INTERVALS WHEN USING THE STEERING COLUMN CONTROL SWITCH (JOG MODE)

Refer to Wiring Diagrams Cell 128 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Steering Column - System Operation and Component Description (211-04 Steering Column, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
DSM B12A7:11 Steering Column Tilt Sensor A: Circuit Short To Ground This DTC sets in continuous memory and on-demand if the detects a fault on the DSM tilt sensor feedback circuit.
DSM B12A7:15 Steering Column Tilt Sensor A: Circuit Short To Battery Or Open This DTC sets in continuous memory and on-demand if the detects a fault on the DSM tilt sensor feedback circuit.
DSM B12A8:11 Steering Column Telescope Sensor A: Circuit Short To Ground This DTC sets in continuous memory and on-demand if the detects a fault on the DSM telescopic sensor feedback circuit.
DSM B12A8:15 Steering Column Telescope Sensor A: Circuit Short To Battery Or Open This DTC sets in continuous memory and on-demand if the detects a fault on the DSM telescopic sensor feedback circuit.

Possible Sources

  • Wiring, terminals or connectors
  • Adjustable steering column tilt motor
  • Adjustable steering column telescopic motor
  • DSM

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

C1 CHECK THE TILT AND TELESCOPIC SENSOR CIRCUITS FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect DSM C341E.
  • Disconnect Adjustable Steering Column Tilt Motor C2250.
  • Disconnect Adjustable Steering Column Telescope Motor C227.
  • Ignition ON.
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C341E-12   Ground
      C341E-13   Ground
      C341E-20   Ground

Is any voltage present?
Yes REPAIR the circuit.
No GO to C2

C2 CHECK THE TILT AND TELESCOPIC SENSOR CIRCUITS FOR A SHORT TO GROUND
  • Ignition OFF.
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C341E-12   Ground
      C341E-13   Ground
      C341E-20   Ground

Are the resistances greater than 10,000 ohms?
Yes GO to C3
No REPAIR the circuit.

C3 CHECK THE TILT AND TELESCOPIC SENSOR CIRCUITS FOR A SHORT TOGETHER
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C341E-12   C341E-13
      C341E-12   C341E-20
      C341E-13   C341E-20

Are the resistances greater than 10,000 ohms?
Yes GO to C4
No REPAIR the circuits.

C4 CHECK THE TILT AND TELESCOPIC SENSOR CIRCUITS FOR AN OPEN
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C341E-12   C2250-4
      C341E-20   C2250-3
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C341E-13   C227-4
      C341E-20   C227-3

Are the resistances less than 3 ohms?
Yes GO to C5
No REPAIR the circuit.

C5 CHECK FOR CORRECT DSM (DRIVER FRONT SEAT MODULE) OPERATION
  • Disconnect and inspect all DSM electrical connectors.
  • Repair:
    • corrosion (install new connector or terminal - clean module pins)
    • damaged or bent pins - install new terminals or pins
    • pushed-out pins - install new pins as necessary
  • Connect the DSM electrical connectors.
  • Connect Adjustable Steering Column Tilt Motor C2250.
  • Connect Adjustable Steering Column Telescope Motor C227.
  • Operate the system and determine if the concern is still present.

Is the concern is still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new DSM .
REFER to: Driver Front Seat Module (DSM) (501-10A Front Seats, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST D: THE ADJUSTABLE STEERING COLUMN IS INOPERATIVE IN ONE OR MORE DIRECTIONS

Refer to Wiring Diagrams Cell 128 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Steering Column - System Operation and Component Description (211-04 Steering Column, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
SCCM B1C36:11 Steering Column Adjust Switch: Circuit Short To Ground This DTC sets when the SCCM senses the tilt motor current draw has exceeded a specified threshold. When this DTC sets, the SCCM disables the circuit until the ignition is cycled.
SCCM B1C36:13 Steering Column Adjust Switch: Circuit Open This DTC sets when the SCCM senses the tilt motor current draw has exceeded a specified threshold. When this DTC sets, the SCCM disables the circuit until the ignition is cycled.
DSM B1375:11 Steering Column Tilt Motor: Circuit Short To Ground This DTC sets when the DSM senses the tilt motor current draw has exceeded a specified threshold. When this DTC sets, the DSM disables the circuit until the ignition is cycled.
DSM B1375:12 Steering Column Tilt Motor: Circuit Short To Battery This DTC sets when the DSM senses the tilt motor circuit voltage is above a specified threshold when the driver is active. This DTC will also set if the DSM senses the tilt motor circuit voltage current draw is less than a specified threshold when the driver is active. When this DTC sets, the DSM disables the circuit until the ignition is cycled.
DSM B1375:13 Steering Column Tilt Motor: Circuit Open This DTC sets when the DSM senses the tilt motor circuit voltage is above a specified threshold when the driver is active. This DTC will also set if the DSM senses the tilt motor circuit voltage current draw is less than a specified threshold when the driver is active. When this DTC sets, the DSM disables the circuit until the ignition is cycled.
DSM B137E:11 Steering Column Telescope Motor: Circuit Short To Ground This DTC sets when the DSM senses the telescope motor current draw has exceeded a specified threshold. When this DTC sets, the DSM disables the circuit until the ignition is cycled.
DSM B137E:12 Steering Column Telescope Motor: Circuit Short To Battery This DTC sets when the DSM senses the telescope motor circuit voltage is above a specified threshold when the driver is active. This DTC will also set if the DSM senses the telescope motor circuit current draw is less than a specified threshold when the driver is active. When this DTC sets, the DSM disables the circuit until the ignition is cycled.
DSM B137E:13 Steering Column Telescope Motor: Circuit Open This DTC sets when the DSM senses the telescope motor circuit voltage is above a specified threshold when the driver is active. This DTC will also set if the DSM senses the telescope motor circuit current draw is less than a specified threshold when the driver is active. When this DTC sets, the DSM disables the circuit until the ignition is cycled.

Possible Sources

  • Wiring, terminals or connectors
  • Adjustable steering column tilt motor
  • Adjustable steering column telescopic motor
  • DSM

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

D1 CHECK THE ADJUSTABLE STEERING COLUMN MOTOR CIRCUITS FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect DSM C341B.
  • Disconnect Adjustable Steering Column Tilt Motor C2250.
  • Disconnect Adjustable Steering Column Telescope Motor C227.
  • Ignition ON.
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2250-1   Ground
      C2250-2   Ground
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C227-1   Ground
      C227-2   Ground

Is any voltage present?
Yes REPAIR the circuit.
No GO to D2

D2 CHECK THE ADJUSTABLE STEERING COLUMN MOTOR CIRCUITS FOR AN OPEN
  • Ignition OFF.
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C341B-6   C2250-1
      C341B-13   C2250-2
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C341B-3   C227-1
      C341B-12   C227-2

Are the resistances less than 3 ohms?
Yes GO to D3
No REPAIR the circuit.

D3 CHECK THE ADJUSTABLE STEERING COLUMN MOTOR CIRCUITS FOR A SHORT TO GROUND
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2250-1   Ground
      C2250-2   Ground
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C227-1   Ground
      C227-2   Ground

Are the resistances greater than 10,000 ohms?
Yes GO to D4
No REPAIR the circuit.

D4 CHECK THE ADJUSTABLE STEERING COLUMN MOTOR CIRCUITS FOR A SHORT TOGETHER
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2250-2   C2250-1
      C2250-2   C227-1
      C2250-2   C227-2
      C2250-1   C227-2
      C2250-1   C227-1
      C227-1   C227-2

Are the resistances greater than 10,000 ohms?
Yes GO to D5
No REPAIR the circuits.

D5 CHECK THE ADJUSTABLE STEERING COLUMN TILT MOTOR OPERATION
  • Connect Adjustable Steering Column Tilt Motor C2250.
  • Connect a fused jumper wire:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
    Positive battery terminal   C341B-13
  • Momentarily connect a fused jumper wire:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C341B-6   Ground

Does the tilt motor move the steering column when the fused jumper wire is connected to ground?
Yes GO to D6
No INSTALL a new adjustable steering column tilt motor.
REFER to: Steering Column Tilt Motor (211-04 Steering Column, Removal and Installation).

D6 CHECK THE ADJUSTABLE STEERING COLUMN TELESCOPIC MOTOR OPERATION
  • Connect Adjustable Steering Column Telescope Motor C227.
  • Connect a fused jumper wire:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
    Positive battery terminal   C341B-3
  • Momentarily connect a fused jumper wire:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C341B-12   Ground

Does the telescopic motor move the steering column when the fused jumper wire is connected to ground?
Yes GO to D7
No INSTALL a new power adjustable steering column telescopic motor.
REFER to: Steering Column Telescopic Motor (211-04 Steering Column, Removal and Installation).

D7 CHECK FOR CORRECT DSM (DRIVER FRONT SEAT MODULE) OPERATION
  • Disconnect and inspect all DSM electrical connectors.
  • Repair:
    • corrosion (install new connector or terminal - clean module pins)
    • damaged or bent pins - install new terminals or pins
    • pushed-out pins - install new pins as necessary
  • Connect the DSM electrical connectors.
  • Operate the system and determine if the concern is still present.

Is the concern is still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new DSM .
REFER to: Driver Front Seat Module (DSM) (501-10A Front Seats, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST E: B1C36:55, B1C36:96, B1C36:9E, B1298:24, B1299:24, B12A1:24, B12A2:24

Normal Operation and Fault Conditions

REFER to: Steering Column - System Operation and Component Description (211-04 Steering Column, Description and Operation).

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
DSM B1298:24 Steering Column Adjust Up Switch: Signal Stuck High This DTC sets in continuous memory and on-demand if the DSM detects the control switch is active for more than 120 seconds OR the tilt motor is requested to move Up or Down at the same time.
DSM B1299:24 Steering Column Adjust Down Switch: Signal Stuck High This DTC sets in continuous memory and on-demand if the DSM detects the control switch is active for more than 120 seconds OR the tilt motor is requested to move Up or Down at the same time.
DSM B12A1:24 Steering Column Adjust Out Switch: Signal Stuck High This DTC sets in continuous memory and on-demand if the DSM detects the control switch is active for more than 120 seconds OR the telescopic motor is requested to move in Fore and Aft at the same time.
DSM B12A2:24 Steering Column Adjust In Switch: Signal Stuck High This DTC sets in continuous memory and on-demand if the DSM detects the control switch is active for more than 120 seconds OR the telescopic motor is requested to move in Fore and Aft at the same time.
SCCM B1C36:55 Steering Column Adjust Switch: Not Configured This DTC sets in continuous memory and on-demand if the SCCM detects the control switch is active for more than 120 seconds OR the tilt motor and telescopic motor are requested to move at the same time.
SCCM B1C36:96 Steering Column Adjust Switch: Component Internal Failure This DTC sets in continuous memory and on-demand if the SCCM detects the control switch is active for more than 120 seconds OR the tilt motor and telescopic motor are requested to move at the same time.
SCCM B1C36:9E Steering Column Adjust Switch: Stuck On This DTC sets in continuous memory and on-demand if the SCCM detects the control switch is active for more than 120 seconds OR the tilt motor and telescopic motor are requested to move at the same time.

Possible Sources

  • Easy entry/easy exit feature disabled
  • Memory position recall concern
  • RKE feature
  • SCCM
  • DSM
E1 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS) B1C36:55, B1C36:96, B1C36:9E, B1298:24, B1299:24, B12A1:24, B12A2:24
  • Ignition ON.
  • Using a diagnostic scan tool, carry out a self-test for the following modules:
    • SCCM and DSM

Is B1C36:55, B1C36:96, B1C36:9E, B1298:24, B1299:24, B12A1:24 or B12A2:24 present?
Yes INSTALL a new steering column control switch.
REFER to: Steering Column Control Switch (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
TEST the system for normal operation. If the B1C36:55, B1C36:96, B1C36:9E, B1298:24, B1299:24, B12A1:24 or B12A2:24 return, GO to E2
No GO to E2 The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

E2 CHECK FOR CORRECT SCCM (STEERING COLUMN CONTROL MODULE) OPERATION
  • Disconnect and inspect all SCCM electrical connectors.
  • Disconnect and inspect all DSM electrical connectors.
  • Repair:
    • corrosion (install new connector or terminal - clean module pins)
    • damaged or bent pins - install new terminals or pins
    • pushed-out pins - install new pins as necessary
  • Connect the SCCM electrical connectors.
  • Connect the DSM electrical connectors.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new steering column control switch.
REFER to: Steering Column Control Switch (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
CLEAR the SCCM and DSM Diagnostic Trouble Codes (DTCs). Using a diagnostic scan tool, CARRY OUT a SCCM and DSM self-test. If the DTC returns, INSTALL a new SCCM .
REFER to: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
Using a diagnostic scan tool, CARRY OUT a SCCM and DSM self-test. If the DTC returns, INSTALL a new DSM .
REFER to: Driver Front Seat Module (DSM) (501-10A Front Seats, Removal and Installation).
No The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.


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