Section 112.2 SPN 3510/FMI 4

Section 112.2
SPN 3510/FMI 4

This diagnosis typically the 5 V sensor supply bank 2 circuit failed low.‪

Section 112.2.1
Short to Ground Check

This fault indicates that the MCM detects a short to ground (voltage < 4.7) on either of the MCM pins listed in Table "MCM Pins for Short to Ground Check" .‪


MCM Pin‪

TSS, Fuel Line Pressure Sensor, Fuel Compensation Pressure Sensor, Engine Oil Pressure Sensor‪


Turbo Inlet Pressure/Temp Sensor, DPF Inlet and Outlet Pressure Sensors‪


Table 1. MCM Pins for Short to Ground Check

Inspect the harness and repair as necessary. Refer to " Verify Repairs" .‪

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.
  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. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.

EPA07 MBE 4000 DDEC VI Troubleshooting Guide - 6SE568
Generated on 10-13-2008

Leave a Reply

Your email address will not be published. Required fields are marked *