Leak Diagnostics (Certain Markets Only): Notes

To minimize false detection of leakage, new software has been released for the Engine control module (ECM). The software has been released afterwards, in order of priority, started at the end of 2006.

The improved software version makes diagnostics more robust and durable against aging and wear of the leak diagnostic unit. It affects strategies, behavior and to a degree also read off parameters.

• Original version for model year -2004, see: Leak diagnostics, original version (-2004) 
• Original version for model year 2005-, see: Leak diagnostics, original version (2005-) 
• Improved version for all model years, see: Leak diagnostics, improved version (2002-)