Carter shared a post on Facebook today that said Land Rover had ended its corporate relationship with him. Carter's latest contract with Land Rover was signed in September last year.
Comment is being sought on the extent of the deal and what benefits it gave Carter.
"Not surprisingly, Landrover, who for good reason have zero tolerance towards drink driving, have ended their relationship with me. I understand this completely and am disappointed I put them in this position."
Over the last few days my management and I have had to front up to my sponsors. Not surprisingly, Land Rover, who for...
Posted by Dan Carter on Monday, 20 February 2017
The All Blacks are sponsored by Ford, which rules out current players from endorsing competing automobiles.
Carter arrived back in New Zealand on Saturday on a pre-planned family holiday.
On Friday he apologised apologised for drink-driving, saying he made a "massive error of judgment", on Facebook.
"No excuses - I made a massive error of judgment and have let down my club, my fans and most importantly my family," he wrote.
"I will have to now let the police/court process run its course and face the consequences. I am just glad no one was harmed. Sorry."