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OBDII Generic Communication Protocols by Manufacturer [Revised March 25th 2010] Indicates no response from this company
Indicates verified protocol listing
Make - Model 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
Alpina ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141
ISO 9141
ISO 14230-4
ISO 9141
ISO 14230-4
ISO 9141
ISO 14230-4
ISO 9141
ISO 14230-4
ISO 9141
ISO 14230-4
ISO 9141
ISO 14230-4

ISO 14230-4

ISO 14230-4
CAN CAN
Audi/VW ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO9141
KWP2000
ISO9141
KWP2000
ISO9141
KWP2000
ISO9141
KWP2000
CAN
ISO9141
KWP2000
CAN
ISO9141
KWP2000
CAN
CAN CAN CAN
Bentley ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 (50%)
KWP2000 (50%)
ISO 9141 (35%)
KWP2000 (65%)
ISO 9141 (20%)
KWP2000 (80%)
CAN CAN CAN CAN
BMW ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141
ISO 9141
ISO 14230-4
ISO 9141
ISO 14230-4
ISO 9141
ISO 14230-4
ISO 9141
ISO 14230-4
ISO 9141
ISO 14230-4
ISO 9141
ISO 14230-4

ISO 14230-4
ISO 15765-4

ISO 14230-4
ISO 15765-4

ISO 14230-4
ISO 15765-4

ISO 14230-4
ISO 15765-4
Chrysler ISO 9141-2 (100%) ISO 9141-2 (100%) ISO 9141-2 (95%)
J1850-10.4 (5%)
ISO 9141-2 (85%)
J1850-10.4 (15%)
ISO 9141-2 (75%)
J1850-10.4 (25%)
ISO 9141-2 (35%)
J1850-10.4 (65%)
ISO 9141-2 (15%)
J1850-10.4 (85%)
ISO 9141-2 (5%)
J1850-10.4 (95%)
CAN 
(5%)
J1850-10.4 (95%)
CAN 
(15%)
J1850-10.4 (85%)
CAN 
(35%)
J1850-10.4 (65%)
CAN 
(85%)
J1850-10.4 (15%)
CAN 
(100%)
CAN 
(100%)
CAN 
(100%)
Daewoo-Lanos N/A N/A J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4 N/A N/A N/A N/A N/A CAN CAN CAN
Daewoo-Leganza N/A N/A J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4 KWP2000 KWP2000 KWP2000 KWP2000 KWP2000 KWP2000 CAN CAN CAN
Daewoo-Nubira N/A N/A J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4 KWP2000 KWP2000 KWP2000 KWP2000 KWP2000 KWP2000 CAN CAN CAN
Ford 3 J1850-41.6 J1850-41.6 J1850-41.6 J1850-41.6 J1850-41.6 J1850-41.6 0% CAN 5% CAN 50% CAN 85% CAN 90% CAN 100% CAN 100% CAN 100% CAN 100% CAN
GM (w/o exceptions) J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4 80% J1850-10.4
15% CAN
5% KWP2000
55% J1850-10.4
40% CAN
5% KWP2000
25% J1850-10.4
70% CAN
5% KWP2000
25% J1850-10.4
70% CAN
5% KWP2000
100% CAN 100% CAN 100% CAN
exceptions: Refer to the row above labeled GM (w/o exceptions)
Saturn LS 3.0L N/A N/A N/A N/A KWP2000 KWP2000 KWP2000 KWP2000
Saturn VUE 3.0L N/A N/A N/A N/A N/A N/A KWP2000 KWP2000
Saturn VUE 3.5L N/A N/A N/A N/A N/A N/A N/A KWP2000
Saturn ION N/A N/A N/A N/A N/A N/A N/A CAN
Cadillac Catera N/A KWP2000 KWP2000 KWP2000 KWP2000 KWP2000 N/A N/A
Cadillac CTS N/A N/A N/A N/A N/A N/A N/A KWP2000
GEO Metro ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 N/A N/A
GEO Prism J1850-10.4 J1850-10.4 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 N/A
GEO Tracker ISO 9141 ISO 9141 ISO 9141 KWP2000 KWP2000 KWP2000 KWP2000 KWP2000
Pontaic Vibe N/A N/A N/A N/A N/A N/A N/A ISO 9141
Saab 9-3 N/A N/A N/A N/A N/A N/A N/A CAN
Honda/Acura ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 70% ISO 9141 30% CAN 40% ISO 9141 60% CAN CAN CAN CAN
Hyundai ISO 9141 ISO 9141 ISO 9141 KWP2000 ISO 9141 KWP2000 ISO 9141 KWP2000 ISO 9141 KWP2000 ISO 9141 KWP2000 ISO 9141 KWP2000 ISO 9141 KWP2000 ISO 9141 KWP2000 ISO 9141 KWP2000 CAN CAN CAN
Isuzu J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4
J1850-10.4

J1850-10.4
UNkNOW CAN CAN CAN CAN
Jaguar ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 CAN CAN CAN CAN
Kia - Optima N/A N/A N/A N/A N/A KWP 2000 KWP 2000 KWP 2000 KWP 2000 KWP 2000 KWP 2000 KWP 2000 CAN CAN CAN
Kia - Rio N/A N/A N/A N/A N/A ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 CAN CAN CAN
Kia - Sephia ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 N/A N/A N/A N/A N/A N/A N/A
Kia - Spectra N/A N/A N/A N/A ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141
Kia - Sportage ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141
Kia Sedona N/A N/A N/A N/A N/A N/A ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141
Kia Sorento N/A N/A N/A N/A N/A N/A N/A KWP 2000 KWP 2000 KWP 2000 KWP 2000 KWP 2000
Land Rover ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 0% CAN 0% CAN 0% CAN 62% CAN 100% CAN 100% CAN 100% CAN 100% CAN 100% CAN
Mazda ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 75%-IS0 914125%-CAN 60%-CAN 40%-ISO 9141 60%-CAN 40%-ISO 9141 CAN CAN CAN CAN CAN
Mitsubishi ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141
ISO 15765
ISO 9141
ISO 15765
ISO 15765 ISO 15765 ISO 15765
Mazda-Ford J1850-41.6 J1850-41.6 J1850-41.6 J1850-41.6 J1850-41.6 J1850-41.6 J1850-41.6 J1850-41.6 J1850-41.6 50%-J 185050%-CAN 50%-J 185050%-CAN Tribute-CAN Truck? CAN CAN CAN
Mercedes ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141
ISO 14230-4
ISO 9141
ISO 14230-4
ISO 9141
ISO 14230-4

ISO 14230-4

ISO 14230-4

ISO 14230-4
ISO 15765-4

ISO 14230-4
ISO 15765-4

ISO 14230-4
ISO 15765-4

ISO 14230-4
ISO 15765-4

ISO 14230-4
ISO 15765-4
Note A

ISO 15765-4
MINI ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141
ISO 9141
ISO 15765-4
ISO 9141
ISO 15765-4
ISO 9141
ISO 15765-4
ISO 9141
ISO 15765-4
ISO 9141
ISO 15765-4
Porsche ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 CAN CAN
Rolls Royce 4 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 KWP 2000 KWP 2000 KWP 2000 KWP 2000 ISO 15765-4 ISO 15765-4 ISO 15765-4
Subaru ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 KWP 2000 ISO 9141 KWP 2000 KWP 2000 CAN CAN CAN CAN CAN
Suzuki Aerio 2.0L N/A N/A N/A N/A N/A N/A KWP 2000 KWP 2000 KWP 2000 KWP 2000 KWP 2000 CAN CAN CAN CAN
Suzuki Esteem 1.6L ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 N/A N/A N/A N/A N/A N/A N/A N/A
Suzuki Esteem 1.8L N/A N/A N/A ISO 9141 ISO 9141 ISO 9141 ISO 9141 N/A N/A N/A N/A N/A N/A N/A N/A
Suzuki Grand Vitara 2.5L N/A N/A N/A ISO 9141 ISO 9141 ISO 9141 ISO 9141 KWP 2000 KWP 2000 KWP 2000 KWP 2000 CAN CAN CAN CAN
Suzuki Grand Vitara 2.7L N/A N/A N/A N/A N/A KWP 2000 KWP 2000 KWP 2000 KWP 2000 KWP 2000 KWP 2000 CAN CAN CAN CAN
Suzuki Sidekick 1.6L ISO 9141 ISO 9141 ISO 9141 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Suzuki Sidekick 1.8L ISO 9141 ISO 9141 ISO 9141 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Suzuki Swift 1.3L ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 N/A N/A N/A N/A N/A N/A N/A N/A N/A
Suzuki Vitara 1.6L N/A N/A N/A ISO 9141 ISO 9141 ISO 9141 N/A N/A N/A N/A N/A N/A N/A N/A N/A
Suzuki Vitara 2.0L N/A N/A N/A ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 CAN CAN CAN CAN
Suzuki X90 1.6L ISO 9141 ISO 9141 ISO 9141 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Toyota/Lexus/Scion J1850-10.4 J1850-10.4 / ISO 9141 J1850-10.4 / ISO 9141 J1850-10.4 / ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 / CAN ISO 9141 / CAN ISO 9141 / CAN ISO 9141 / CAN CAN CAN CAN
Volvo ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 90% ISO 9141 10% CAN 5% ISO 9141 95% CAN CAN CAN CAN CAN CAN