DD15 SPN 411/FMI 13 Troubleshooting

SPN 411/FMI 13

This diagnosis is typically EGR Delta P Sensor out of calibration.‪

Check as follows”‪

1. Disconnect the EGR Delta P Sensor.
2. Inspect the EGR Delta P Sensor connector for bent, spread or corroded pins.
   1. If pin damage is found, repair as necessary. Refer to “39.5.1 Verify Repairs” .
   2. If no pin damage is found, go to the next step.
3. Replace the EGR Delta P Sensor. When the sensor is replaced, connect DDDL 7.0 and perform the EGR valve calibration service routine.

Verify Repairs

Verify repairs as follows:‪

1. Turn ignition OFF.
2. Reconnect any electrical connections that were disconnected to perform the diagnosis.
3. Clear codes with DDDL 7.0 or latest version.
   

   ENGINE EXHAUST ‪
   To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area. Engine exhaust is toxic.‪

4. Start and bring engine up to operating temperature (over 140°F/60°C).
5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes.