The game this time is a diabolical version of Musical Chairs. TROUBLESHOOTING-DIAGNOSTIC CODES PRESENT. COMMERCIAL ELECTRONIC CONTROLS 2 (CEC2) TROUBLESHOOTING MANUAL 5–2 Copyright © 2007 Allison Transmission, Inc. IRV2 Forums > POWER TRAIN GARAGE FORUMS > Allison Transmission Forum: 3060 WTEC-II Error code 2216/2511. Allison Transmission Codes D12511 7,2/10 1405 votes