This Code Readers are the best choice at the most affordable price for car-owners, DIY customers and even professional technicians to read and clear OBD II diagnostic trouble codes. If your car's Check Engine Light is on, you need this device. CS0840 Code Reader is a handy device for car-owners, DIY customers and even professional technicians to read OBD II diagnostic trouble codes (DTCs) from the on-board computers of 1996 and newer vehicles. With this smart reader, you are able to immediately self-troubleshoot the cause of the "Check Engine" light at any moment wherever you are. CS0840 will also enable the user to erase the trouble codes and shut off (reset) the check-engine light as soon as the vehicle is repaired.
Included Communication Protocols:
C.A.N. (Controller Area Network)
ISO 9141
J1850PWM
J1850VPW
KWP 2000 ISO 14230-4
EKWP 2000

Benefits
Saves time and money on repairs- find out what's wrong prior to repairing and verify a repair after servicing
Wider vehicle coverage with CAN Protocol support
Turns off check engine light(MIL), Erases Diagnostic Trouble Codes (DTCs) and resets OBD2 monitor status
More features for less-Reviews the emission readiness status of OBD monitors, retrieves VIN on 2002 and newer vehicles, and more
Determines the malfunction indicator lamp (MIL) status
Keeps engine performance in good shape with regular inspections and prevents future costly repairs
Helps to identify problems with a used vehicle before buying or selling
Features:
Works with all 1996 and newer cars & trucks that are OBD II compliant (including CAN)
Reads and clears generic and manufacturer specific Diagnostic Trouble Codes (DTCs) and turns off check engine light
Supports multiple trouble code requests, generic codes, pending codes and manufacturers specific codes
Retrieves VIN (Vehicle Identification No.) on 2002 and newer vehicles that support Mode 9
Highly reliable and accurate
Easy-to-read crystal-clear backlit 2-line LCD display
Easy to use with one plug-in
Stand-alone unit with no need for an additional laptop computer to operate
Small in size and conveniently fits in your palm
Safely communicates with the on-board computer
No batteries needed-powered via detachable OBD II cable

MAINTENANCE:
One year warranty, full life maintenance.

1.The cs0820 Code Reader is specially designed to work with VW/AUDIs, including those equipped with the newly released Controller Area Network(CAN) protocol. All VAG vehicles using K-Line or CAN bus, for old vehicles a 2x2 adapter might be needed to purchase as addon.
Cars which use canbus:
- All Golf-5 platform cars (A5 platform) including:
- 2003+ VW Touran (1T chassis)
- 2004+ VW Caddy (2K chassis)
- 2004+ Seat Altea (5P chassis)
- 2004+ VW Golf (1K chassis)
- 2004+ Audi A3 (8P chassis)
- 2004+ Skoda Octavia (1Z chassis)
- 2005+ Golf Plus (5M chassis)
- 2005+ Seat Toledo (5P chassis)
- 2005+ Seat Leon (1P chassis)
- 2005.5+ Jetta (1K chassis)
- 2006+ Eos (1F chassis)
- 2003+ Audi A8 and A8L (D3 platform, 4E chassis)
- 2005+ Audi A6 (C6 platform, 4F chassis)
- 2005+ Audi A4 ("B7" platform)
- 2005.5+ VW Passat (B6 Platform, 3C chassis)
The cs0810 Code Reader is specially designed to work with VW/AUDIs, but without the newly released Controller Area Network(CAN) protocol.

2. The cs0840 Code Reader Included Communication Protocols:

1: C.A.N. (Controller Area Network)

2: ISO 9141

3: J1850PWM

4: J1850VPW

5: KWP 2000 ISO 14230-4

6: EKWP 2000

Cars which use canbus:

- GM '96 - Current Year (OBD-II)

- Ford '96 - Current Year (OBD-II)

- Chrysler '96 - Current Year (OBD-II)

- Toyota '96 - Current Year (OBD-II)

- Honda '96 - Current Year (OBD-II)

- NISSAN '96 - Current Year (OBD-II)

- All other Asian and European '96 - Current Year (OBD-II)

The cs0830 Code Reader Supports ISO, VPW and PWM bus systems (no can bus support).

3. The code readers with built in Extension Cable and User Manual with Code Descriptions.

The VAG-COM Package Contains: VAG Tacho USB compatible Interface(with a cd) .