: Scroll until "END" appears, press select, wait for "WAIT" to show, and then hold the select button for 5 seconds .
The most common cause of D1A is that the mower deck is engaged. john deere d1a code
: When "D1A" appears on the panel, it serves as a gateway to access stored Diagnostic Trouble Codes (DTCs) Unit Navigation : Scroll until "END" appears, press select, wait