DDEC Fault code 55 Troubleshooting.

DDEC Fault code 55 Troubleshooting.

The attached Sales announcement is intended to aid in the troubleshooting of code 55 (proprietary data link failure 248/8) on any DDEC III/IV dual ECM engine.The below steps are to be performed after all of the troubleshooting steps in the Multi ECM Troubleshooting Guide (6SE496) have been completed.