---
type: "Bill"
title: "Vehicles: unlawful access to computer systems."
description: "Existing law prohibits tampering with a vehicle or removing any parts from a vehicle without the consent of the owner. A violation of this prohibition is a crime."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20192020"
identifier: "AB 814"
citation: "California AB 814 (20192020)"
classification: ["bill"]
subjects: ["Vehicles: unlawful access to computer systems."]
status: "enacted"
primary_sponsors: ["Chau"]
version_count: 5
action_count: 18
vote_count: 5
first_action: "2019-02-20"
last_action: "2019-06-26"
source: "openstates"
source_identifier: "ocd-bill/c283f615-c80c-4d8c-b43a-8cd0a04ce595"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200AB814"
source_hash: "9998fb71ae32b94060dce672ee20cf6e7e8f67493f66acce60deffc166da8797"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-ca"]
---

# California AB 814 (20192020) — Vehicles: unlawful access to computer systems.

Existing law prohibits tampering with a vehicle or removing any parts from a vehicle without the consent of the owner. A violation of this prohibition is a crime.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **02/20/19 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB814&version=20190AB81499INT)
2. **04/02/19 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB814&version=20190AB81498AMD)
3. **06/26/19 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB814&version=20190AB81496CHP)
4. **AB814** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200AB814)
5. **06/18/19 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB814&version=20190AB81497ENR)

## Votes

- Consent Calendar AB814 — **40–0** (pass) · upper
- AB 814 Chau Consent Calendar Second Day — **76–0** (pass) · lower
- Do pass. To Consent Calendar. — **8–0** (pass) · lower
- Do pass and be ordered to the Consent Calendar — **7–0** (pass) · upper
- Do pass and be re-referred to the Committee on [Public Safety] — **11–0** (pass) · lower

## Sponsors

- Chau — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2019-02-20** Read first time. To print. `reading-1`
- **2019-02-21** From printer. May be heard in committee March 23.
- **2019-03-04** Referred to Coms. on P. & C.P. and PUB. S. `referral-committee`
- **2019-03-27** From committee: Do pass and re-refer to Com. on PUB. S. (Ayes 11. Noes 0.) (March 26). Re-referred to Com. on PUB. S. `committee-passage-favorable, committee-passage, referral-committee`
- **2019-04-02** From committee chair, with author's amendments: Amend, and re-refer to Com. on PUB. S. Read second time and amended. `reading-1, reading-2, amendment-passage, amendment-introduction`
- **2019-04-03** Re-referred to Com. on PUB. S. `referral-committee`
- **2019-04-24** From committee: Do pass. To Consent Calendar. (Ayes 8. Noes 0.) (April 23). `committee-passage-favorable, committee-passage`
- **2019-04-25** Read second time. Ordered to Consent Calendar. `reading-1, reading-2`
- **2019-05-02** Read third time. Passed. Ordered to the Senate. (Ayes 76. Noes 0. Page 1473.) `passage, reading-3, reading-1`
- **2019-05-02** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2019-05-16** Referred to Com. on PUB. S. `referral-committee`
- **2019-06-04** From committee: Do pass. To Consent Calendar. (Ayes 7. Noes 0.) (June 4). `committee-passage-favorable, committee-passage`
- **2019-06-05** Read second time. Ordered to Consent Calendar. `reading-1, reading-2`
- **2019-06-17** Read third time. Passed. Ordered to the Assembly. (Ayes 40. Noes 0. Page 1606.). `passage, reading-3, reading-1`
- **2019-06-18** In Assembly. Ordered to Engrossing and Enrolling. `committee-passage`
- **2019-06-20** Enrolled and presented to the Governor at 3:30 p.m.
- **2019-06-26** Approved by the Governor. `executive-signature`
- **2019-06-26** Chaptered by Secretary of State - Chapter 16, Statutes of 2019.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/c283f615-c80c-4d8c-b43a-8cd0a04ce595`. Confidence: reported (aggregated from official California legislature records).