Finicky Backup Lights on 06

[ACamilli]

My 06, an automatic, the backup lights work sometimes. If I shift from P to L and back again, then into R they come on. If just going from D to R and back, like when plowing, they don't come on. I am told by dealer that the shifter cable under dash needs adjustment. Is this something I can do? I look in service manual and I find no information... . unless you have a manual transmission, then they tell you how to replace switch on transmission. What cable? Where?

 

[PatrickHansen]

Adjust or replace switch. Had mine replaced @ 184K.

 

[ACamilli]

my dealer says my automatic has no switch, it is a cable adjustment somewhere along steering column