The Los Angeles County Sheriff's Department said traffic investigators executed a search warrant on Monday to retrieve the data from the device from the Genesis SUV that Woods was driving.
Morikawa is now only the second player after Tiger Woods to win both a major and a WGC title before turning 25.
"It is hard to explain how touching today was when I turned on the tv and saw all the red shirts," the 15-time major champion said in a tweet.
The 15-time major champion Woods was driving alone on Tuesday morning in a south Los Angeles suburb when his SUV hit the centre median, crossed into the opposing lane, struck a tree and then rolled over several times.
The 15-time major champion underwent surgery to repair "significant orthopedic injuries" to his lower right leg and ankle.
LA county sheriff Alex Villanueva said investigators may seek search warrants for a blood sample to definitively rule out drugs and alcohol.
The accident occurred at around 7:15 am local time on Tuesday in south Los Angeles.
Woods was in the driver's seat of a mangled SUV after it crashed on a steep roadway in the Los Angeles suburbs, with his legs seriously injured.
In last year's majors, Woods was 37th at the PGA Championship, missed the cut at US Open and shared 38th at the Masters last November in his most recent tour outing.
Tiger Woods car crash: Jack Nicklaus 'concerned,' Bryson DeChambeau 'heartbroken', Barack Obama 'sends prayers'
Bryson DeChambeau noted the fabled comeback of Ben Hogan, who was involved in a 1949 car crash but won six of his nine major titles after the injuries
Tiger Woods 'awake, responsive, recovering' after surgery on both legs following serious roll-over car crash
Woods underwent surgery to repair "significant orthopaedic injuries" to his lower right leg and ankle, which included the insertion of a rod into his tibia and the use of "a combination of screws and pins" to stabilise his foot and ankle
Tiger Woods had to be extricated from his vehicle, which sustained major damage, with the “jaws of life” tools, the Los Angeles County Sheriff's Department said in a statement.
Woods underwent a microdiscectomy after playing alongside son Charlie at a December event but is unsure when his next competitive outing might occur.
The back surgery was to remove a pressurized disc fragment that was giving Tiger Woods nerve pain during the PNC Championship last month.
Tiger only manages a perfunctory portrait of a champion, who went through the beats of being a disgraced celebrity, to charting a phenomenal (and improbable) comeback.
The Friday List: From a discussion on the legacy of Astad Deboo to a Sherlock Holmes parody, your weekly calendar of virtual events
Every Friday, we'll bring you a curated list of online experiences — performances, talks, tours, screenings — to mark on your weekly calendar.
PNC Championship has paired major champions with their sons since 1995, the year before the 44-year-old Woods turned pro.
No one in Masters history was better as Johnson, whose other major victory came at the 2016 US Open, fired a four-under-par 68 to finish on a Masters record 20-under-par 268.
He added tap-in birdies at the par-4 seventh, par-5 13th and par-5 15th to equal the 54-hole mark set in 2015 by Jordan Speith.
Paul Casey matched his lowest score at the Masters with a 7-under 65, giving him a two-shot lead among half the field fortunate to play in perfect scoring conditions.