Davis CarChip Pro Conflicts and Exclusions
Exclusion and conflict information is for the Davis
CarChip Pro and CarChip Fleet Pro Data Loggers.
CarChip has been carefully designed and tested to comply with OBDII protocols J1850-41.6, J1850-10.4, ISO9141, KWP2000 (ISO14320), and CAN (ISO 11898), which are used on most cars and light trucks sold in the USA, model-year 1996 or later. However, some vehicle models are not in full compliance with these protocols. In addition, the computer control systems on a given vehicle may be malfunctioning or out of spec, as may be the sensors used by these systems.
Before installing CarChip, be sure to review the list of known exclusions, conflicts, and anomalies below. Unless specified otherwise, the list applies to CarChip Pro and CarChip Fleet Pro.
This list is current to the best of our knowledge as of the time of publication. However, given the thousands of vehicle models produced since 1996, no list can be completely comprehensive. For more information on OBDII issues and anomalies in general, we recommend The Equipment and Tool Institute's website .
While testing and the experience of thousands of CarChip users have shown the unit to be safe and reliable, there is an inherent risk in adding any aftermarket product that may potentially affect the operation or drivability of your vehicle. Should you be concerned about the operation of your vehicle at any time while using CarChip, you should pull over off the roadway immediately or as soon as it is safe to do so. Remove CarChip from the OBDII port and consult a licensed mechanic or automobile service center.
Ford 7.2L CAT 3126 Diesel Engines
CarChip is not supported in these vehicles.
BMW 530XI, 2007 Models
CarChip is not supported in these vehicles.
Pontiac Grand Prix, 2004 Models
CarChip is not supported in these vehicles.
Tiptronic ® Transmissions
CarChip may cause vehicle hesitation or stuttering when used in 2003 or earlier model-year vehicles with Tiptronic transmissions. Developed by Audi and included on many of their vehicles, a Tiptronic transmission is one in which the driver may switch from a manual transmission to an automatic transmission while driving. Please check your vehicle's owner's manual to see if your vehicle has a Tiptronic transmission. We have not resolved this issue, and we recommend that you not use CarChip in vehicles with Tiptronic transmissions.
Using CarChip with Other Aftermarket Products
CarChip may not operate properly or may cause unexpected vehicle behavior if it is used in conjunction with other aftermarket products that also use the ODBII port or communicate with the vehicle's on-board computers. Examples of these include remote starters, keyless entry systems, and some alarm systems. If you are using any of these aftermarket products, we recommend that you remove them from your vehicle before using CarChip.
Vehicles Manufactured for Sale Outside the US & Canada
While vehicles manufactured for sale outside the US and Canada may appear to have an ODBII port, they may not use the same protocols, and thus may not be compatible with CarChip. For vehicles manufactured for sale in Europe, some 1996–1999 vehicles may be compatible; most 2000 and later vehicles should be compatible. Since requirements vary by country, vehicles manufactured for sale elsewhere in the world may or may not be compatible.
Additional Exclusions for the Serial-Port Version of CarChip
The original CarChip models were downloaded using a serial-port cable and are NOT compatible with the new CAN (ISO 11898) protocol, which is being phased on newer vehicles. Download a chart of known CAN (ISO 11898) protocol vehicles . The current CarChip Pro models (# 8226 and 8246) use a USB cable to download data and are compatible with the CAN protocol. If you have a vehicle that uses the CAN protocol, you cannot use a serial-port version of CarChip; you must use a USB-version. Information for 2006, 2007 vehicles is not yet available.
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