A limited version of the Lotus 20/20 engine management diagnostic software system currently used by the authorised Lotus dealer network is available to download directly from our dedicated diagnostic system supplier. This version provides information on all Lotus vehicles built from 2007 to 2022 onwards except for the Lotus 2-Eleven and Lotus Emira*.
Using a suitable laptop and pass-through device complying to SAE J2534 standard the restricted version of the Lotus 20/20 engine management diagnostic software system will:
- Display ECU Information for all vehicle systems (part numbers, emissions related data and VIN (Vehicle Identification Number) etc.
- Read and clear DTC’s (Diagnostic Trouble Codes) for all vehicle systems.
- Install an updated program file into already programmed engine management, transmission control unit and ABS (Anti-Lock Braking System) control modules.
*Note: Only ABS and Airbag module information is available for the Lotus Europa, no information is available for the Lotus Emira.
Click on the link at the bottom of this page to find out more information and terms as well as subscription fees.
Before purchasing this product please be aware:
- The limited version of the Lotus 20/20 engine management diagnostic software system is purchased from our dedicated supplier and as such the contract is between the purchaser and our supplier, not Lotus Cars.
- In the event difficulty is experienced downloading the software, contact the supplier directly as Lotus Cars cannot assist with technical problems concerning the software.
- The version available to purchase has reduced functionality in comparison to the version used by the authorised Lotus dealer network. Therefore, only an authorised Lotus dealership can perform certain procedures such as programming new/unprogrammed ECU’s, instrument packs and ABS modules.
- Information concerning diagnostic trouble codes is available to purchase separately as PDF documents from the vehicle service information website, Lotus Cars cannot assist directly with technical enquiries that originate outside of the authorised Lotus dealer network.