DDEC TROUBLESHOOTING
31.1 DESCRIPTION OF FLASH CODE 31
Flash Code 31 indicates the engine brake low or medium circuit has an open or is shorted to
battery ground.
This diagnostic condition is typically:
Output circuit open
Output wire is shorted to ground
All information subject to change without notice.
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION
31-3
