Thread: Does your LR have an OBD socket?

I am trying to compile a list of which LRs have OBD ( on board diagnostic ) sockets Certainly range rovers should but which models and anything TD5 but this needs confirming. Anyone had experience with code readers /laptops I am also interested in what worked best ..

thanks in advance

RovacomLite is the best you can get in the "affordable" stakes. Prior to the Disco2 the Disco was an OBD system and not OBDII. The Disco1 system was not completely a closed bus architecture and so various cables are needed to talk to some of the additional systems (depending on configuration). The Defender prior to the Td5 only only had a socket on the EGR unit (I don't think this was fitted for Australia). I can't talk about the Rangies as I've not done anything with them.

In general OBDII introduced a (mostly) integrated CANbus (Control Area Network) into the vehicles and allowed te ECU's to talk to each other and be interrogated through a central port. OBDII on the D3, new RR's, RRS, FL2 and 07 Defender go one step further and are very tightly integrated with different communication networks (some using fibre optics) to keep everything in sync. They are also partially encrypted so that by default the very extensive fault codes can be openly accessed but the rest of the system parameters cannot be and are effectively hidden for the basic fault code tools (that's a rather simplistic overview and not really the full picture).

A basic diagnostic unit must for a Td5 (or D2 V8) must be CANbus, ISO OBDII compatible. Many of the systems only work with the SAE OBDII standard (for USA not European vehicles) and will therefore not work. The other issue is that many American ones (majority of market) aren't designed to understand diesel ECU's so they will work with the V8 but not the Td5.