Series 60 DDEC V Troubleshooting

Section 15.1 Software Version

Section 15.1
Software Version

The following section contains troubleshooting procedures for Poor Engine Performance on engines equipped with DDEC V..‪

Section 15.1.1
Poor Engine Performance DDEC V Equipped Engines

To determine the cause of poor fuel economy for DDEC V equipped engines perform the following steps:‪

  1. What version of software is DDEC V ECU running?
    1. If the software version is lower than Level 2 , reprogram the ECU.. Once the ECU has been reprogrammed, proceed to step 2.
    2. If the software is Level 2 or higher, proceed to step 2 .
  2. Verify that the engine hardware has been campaigned or modified to the latest version.
    1. If you are uncertain or unable to determine that the engine has been campaigned or modified to the latest version, please contact the Detroit Diesel Customer Support Center (313-592-5800).
    2. If you unable to determine that the engine has been campaigned or modified to the latest version, proceed to step 3 .
  3. Verify that the fuel filters are not plugged. Refer to the “Preventive Maintenance “ section of the appropriate Service Manual for inspection steps.
  4. Visually inspect the air filter element for excess dirt, blocked filter elements, and damage. Refer to “Air Cleaner” section of the appropriate Service Manual for removal, inspection, and installation steps.
  5. If the engine is equipped with a Exhaust Gas Recirculation (EGR) system, verify that the VPOD is connected to a dedicated air line.
    1. If the VPOD air line is not connected to a dedicated source, refer to OEM guidelines for a solution. Once the problem has been resolved, proceed to step 6.
    2. If the VPOD air line is connected to a dedicated source, proceed to step 6 .
  6. Perform to test the Barometric Pressure Sensor. Once the test has been completed, proceed to step 7 .
  7. Perform test to verify that the CAC system is not damaged.
    1. Once the test has been completed, verify that the reported poor engine performance problem has been resolved. If the problem has been resolved, the troubleshooting test has been completed.
    2. Once the test has been completed, verify that the reported poor engine performance problem has been resolved. If the problem has not been resolved, please contact the Detroit Diesel Customer Support Center (313-592-5800).


Series 60 DDEC V Troubleshooting Guide - 6SE570
Generated on 10-13-2008

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