REMOVAL PROCEDURE 1. REMOVE LOWER STEERING COLUMN COVER (for Manual Tilt)
2. REMOVE UPPER STEERING COLUMN COVER (for Manual Tilt)
3. REMOVE LOWER STEERING COLUMN COVER (for Manual Tilt and Manual Telescopic Steering Column)
4. REMOVE UPPER STEERING COLUMN COVER (for Manual Tilt and Manual Telescopic Steering Column)
5. REMOVE LOWER STEERING COLUMN COVER (for Power Tilt and Power Telescopic Steering Column)
6. REMOVE UPPER STEERING COLUMN COVER (for Power Tilt and Power Telescopic Steering Column)
7. REMOVE UNLOCK WARNING SWITCH ASSEMBLY 
(a) Disconnect the connector. (b) Insert the key. (c) Remove the unlock warning switch assembly by releasing the 2 claws. HINT: Slide the unlock warning switch assembly in the direction shown by the arrow in the illustration to remove it. Text in Illustration
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Toyota Tundra Service Manual > Front Power Seat Control System(w/ Memory): Lifter Sensor Malfunction (B2653)
DESCRIPTION When the position control ECU and switch assembly does not receive a sensor signal despite upward or downward movement of the seat by power seat motor operation, this DTC is stored. DTC Code DTC Detection Condition Trouble Area B2653 The upward and downward lock detection position of the ...
