Code 77 Displayed

System Failed to Recognize WOT Test Rerun KOER SELF TEST as follows:

• Activate KOER test and start engine.
• Observe ID code 2 (0 with STAR tester).
• Observe Dynamic Response Code 1 (0 with STAR tester).
• Perform WOT.
• Testing complete; service code output begins.

If code 77 is still displayed, replace ECA and rerun QUICK TEST  . If code 77 is no longer present, vehicle has passed Dynamic Response test; service other codes as necessary.