67.1 DESCRIPTION OF FLASH CODE 67
For diesel engines, Flash Code 67 indicates that the coolant pressure input voltage to the ECM has
exceeded or dropped below the allowed range.
This code is not covered in this manual (for diesel engines). If changes occur, notification will
be sent from DDC.
For gas engines, Flash Code 67 indicates that the input voltage to the ECM from the air inlet
pressure sensor has dropped below 5%, or gone above 95% of the sensor supply voltage.
All information subject to change without notice.
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION