Description of Flash Code 73
Flash Code 73 is used for many faults.
- When used with the Engine Synchronous Shift (ESS) system on diesel fuel engines, this code indicates a fault was detected by the ECM, see Figure "ECM" , of the input from the shift knob or Neutral Switch. It also indicates the limits for the maximum air inlet restriction have been exceeded.
- When used in a gas-fueled engine, the code indicates a gas valve position fault.
|DDEC III/IV Single ECM Troubleshooting Guide - 6SE497|
|Generated on 10-13-2008|