SAN DIEGO -- An Oceanside woman pleaded guilty Monday to felony child endangerment and one count of misdemeanor drunken driving in connection with a road rage incident that resulted in an off-duty police officer shooting her and her 8-year-old son.

Rachel Silva, 28, faces up to four years in jail, her defense attorney, Michael Pancer, said.

Pancer said Silva will be sentenced by a San Diego Superior Court judge next year after she completes the residential drug treatment program she started a few months after the March 15 shooting.

According to police and court testimony, off-duty San Diego police Officer Frank White shot Silva and her son, Johnny, in the Lowe's parking lot on Old Grove Road after Silva and White almost collided in their cars outside the complex.

After the near-miss in the street, Silva followed White, 28, and his wife into the shopping center parking lot and the situation escalated into a shooting.

Silva was hit twice in the right arm. Her son was hit once in the left leg.

Oceanside police have said that Silva's blood alcohol content during the incident was above the legal limit and that she had marijuana with her that night.

She also admitted to using methamphetamine the day before the shooting, they said.

Three other misdemeanor charges, including driving with a suspended license, were dropped as part of the plea deal, officials said.

Pancer said he had "no complaints" about the resolution of Silva's case.

He declined to comment on whether Silva is in contact with her son, now 9, while she is in drug treatment.

Silva has two previous convictions for drunken driving, both in 2007. In one incident, officers found her slumped over the steering wheel in Temecula. She reportedly had an open bottle of alcohol, and her 1-year-old child was in the back seat.

Last week, a Superior Court judge ordered White to stand trial for his role in the incident.

White is charged with one felony count of negligent discharge of a firearm and a misdemeanor charge that he brandished his gun during the confrontation with Silva.

White is the first police officer in more than a dozen years in San Diego County who is charged with shooting a perceived aggressor.

He was off-duty, out of uniform and in his personal car at the time of the incident.

He faces up to nine years in jail if convicted.

His next court date is Dec. 3.

Contact staff writer Colleen Mensching at (760) 739-6675 or cmensching@nctimes.com.