OBDII Generic Communication Protocols by Manufacturer [Revised Feb. 17, 2003]
Make - Model 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
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
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
BMW - Mini N/A N/A N/A N/A N/A N/A KWP2000 KWP2000 KWP2000 KWP2000      
BMW 3-Series, 5-Series, X5, Z3, Z4, Z8, 740i, 740iL, 750iL ISO 9141/2 ISO 9141/2 ISO 9141/2 ISO 9141/2 ISO 9141/2 ISO 9141/2 ISO 9141/2 ISO 9141/2 ISO 9141/2 ISO 9141/2      
BMW 5-Series; next generation (E60) N/A N/A N/A N/A N/A N/A N/A N/A KWP2000 KWP2000      
BMW 745i, 745Li, 765Li N/A N/A N/A N/A N/A N/A KWP2000 KWP2000 KWP2000 KWP2000      
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%)
Daewoo-Lanos N/A N/A J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4 N/A          
Daewoo-Leganza N/A N/A J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4 KWP2000 KWP2000          
Daewoo-Nubira N/A N/A J1850-10.4 J1850-10.4 J1850-10.4 J1850-10.4 KWP2000 KWP2000          
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
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
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
Kia Sorento N/A N/A N/A N/A N/A N/A N/A KWP 2000
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
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
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
UNKOWN UNKNOWN UNKNOWN
Jaguar ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141    
Kia - Optima N/A N/A N/A N/A N/A KWP 2000 KWP 2000 KWP 2000          
Kia - Rio N/A N/A N/A N/A N/A ISO 9141 ISO 9141 ISO 9141          
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          
Kia - Sportage 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          
Kia Sorento N/A N/A N/A N/A N/A N/A N/A 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
Mazda ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 75%-IS0 9141  25%-CAN 60%-CAN  40%-ISO  9141 60%-CAN  40%-ISO  9141 CAN CAN CAN
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 1850   50%-CAN 50%-J 1850   50%-CAN Tribute-CAN Truck? ?
Mercedes ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 KWP 2000 ISO 9141 KWP 2000 ISO 9141 KWP 2000 KWP 2000 KWP 2000 CAN KWP 2000 CAN KWP 2000 CAN KWP 2000 CAN CAN
Mitsubishi ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141              
Nissan/Infiniti ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 TBD TBD CAN CAN
Porsche ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141          
Rolls Royce 4 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 ISO 9141 KWP 2000 KWP 2000      
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
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
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
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
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
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
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
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
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
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
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
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
Toyota/Lexus 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 TBD TBD
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
Note 3: *For 2002 MY and later, non-CAN Ford vehicles will be SCP (J1850-41.6) unless otherwise noted below.
1996- 1.8L Escort Protocol ISO-9141  (Mazda engine)
1996&1997- 2.5L Probe Protocol ISO-9141  (Mazda engine)
1996&1997- All Aspire Protocol ISO-9141  (Mazda Engine)
All Model Years- Mercury Villagers Protocol ISO-9141 (Nissan Engine)
Note 4: VW has answered for 2002 model year.  Following model years are blank and must be filled in by BMW
General Note:   Indicates no response from this company
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