Seat Movement Inhibition Checks

If the customer is reporting issues with seat movements, first consult the table below to check if the seat movement functions may have been inhibited. If the issue cannot be rectified, proceed to the pinpoint tests below:

SYMPTOM	REASON FOR INHIBIT	HOW TO IDENTIFY FAULT SPECIFICS	RECTIFICATION	AFFECTED SEAT ROW	FURTHER DESCRIPTION
Seat movement not operating from switch press	Seat movement motor overheat	Only the affected motor will be disabled Under current DTC may be set	Wait for at least 5 minutes to allow motor to cool Perform ignition cycle	1st Row - L462, L405 and L494 2nd Row - L405 Business Class Seating only	n/a
Rear seat movement not operating from switch press	Seat module software has activated seat movement motor thermal protection	Only the affected motor will be disabled	Wait for at least 2 minutes to allow motor to cool	2nd Row - L462, L405 60/40 Seating only 3rd Row - L462, L494 only	n/a
Rear seats not folding when using load space switches	Tailgate is not open	Check if the tailgate is closed	Open tailgate	2nd Row - L462, L405 60/40 Seating only 3rd Row - L462, L494 only	n/a
Rear seats not folding when using load space switches	Power management time out	Load space lighting is not illuminated	Close and open tailgate Press unlock button Turn on ignition	2nd Row - L462, L405 60/40 Seating only 3rd Row - L462, L494 only	n/a
Seat fold not operating from C pillar switch	Adjacent door closed	Check if adjacent door is open	Open adjacent door	3rd Row - L462, L494 only	n/a
Seat fold not operating from C pillar switch	Power management time out	The vehicle has been left without any interaction	Press unlock button Turn on ignition	3rd Row - L462, L494 only	n/a
Rear seat movement not operating from rear seat switch pack	Rear window isolate (child lock) switch on	Check if the rear window isolate (child lock) button telltale LED is illuminated	Turn off the rear window isolate (child lock) switch	2nd Row - L462, L405 only	n/a
Seat movement not operating from switch press	Seat controls not working (seat module software has activated circuit protection)	Only the affected motor will be disabled	Turn ignition OFF, then ON Check for related Diagnostic Trouble Code(s) and repair any circuit faults	1st Row - L462, L405 and L494 2nd Row - L462, L405 only 3rd Row - L462, L494 only	Fault codes (set in seat module) preventing seat movement. Check for 'Circuit Current Above/Below Threshold' Diagnostic Trouble Code(s) and refer to the relevant DTC index
Seat movement 'inching', not smooth operation (starts and then stops)	Seat movement issue - "inching" movement	Only the affected motor will be inching	Check for related Diagnostic Trouble Code(s) and refer to the relevant DTC index	1st Row - L462, L405 and L494 2nd Row - L462, L405 only	Fault codes (set in seat module) preventing smooth seat movement. Check for 'Speed Position Sensor - No Signal' Diagnostic Trouble Code(s) and refer to the relevant DTC index
Driver seat not returning to memory position (when driving)	-	-	-	1st Row driver seat only - L462, L405 and L494	When a vehicle threshold speed (5 km/h) is detected, automatic seat movement to memory position is disabled and on-going return to memory position is stopped
Seat controls not working (minimum voltage protection)	Seat controls not working (seat module software has disabled operation)	-	Check for battery and/or charging faults and rectify as required	1st Row - L462, L405 and L494 2nd Row - L462, L405 only 3rd Row - L462, L494 only	If battery's voltage output decreases below minimum allowable value of 9 volts, the seat module stops operating
Easy Entry/Exit - Drivers seat not returning to original driving position	No automated seat movement is permitted with vehicle moving	-	Do not drive the vehicle when the seat/steering column is moving to required driving position	1st Row driver seat only - L462, L405 and L494	The function of easy entry will only complete and return the seat and column to the required position if the vehicle speed remains lower than a permitted vehicle threshold speed (5 km/h)