Series 60 DDEC V Troubleshooting

Section 43.1 Description of Flash Code 39

Section 43.1
Description of Flash Code 39

Flash Code 39 is used for several Exhaust Gas Recirculation (EGR) system or Variable Nozzle Turbine (VNT) operational faults. These codes are typically logged in the ECM/ECU when one of the components are faulty.‪

The SAE J1587 equivalent codes for Flash Code 39, EGR valve fault:‪

  • s 146/2, EGR leak — Boost Power
  • s 146/12, EGR leak — Boost Jake
  • s 146/7, EGR Valve not responding

The SAE J1587 equivalent codes for Flash Code 39, VNT vane fault:‪

  • s 147/2, VNT Vanes not responding — Boost Power
  • s 147/12, VNT Vanes not responding — Boost Jake or faulty Barometric Pressure Sensor
  • s 147/14, EGR flow too low
  • s 147/11, VNT Vanes at Max — Jake
  • s 147/7, VNT Vanes not responding — EGR

There are no wires to check for Flash Code 39. The sensor values and the ECM/ECU calibration are used to decide a mechanical fault is present.‪


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

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