Troubleshooting Flash Code 13, PID 146/FMI 6
Flash code 13 also indicates that the ECM/ECU has detected too high a current level for the Exhaust Gas Recirulation (EGR) Valve. The following procedure will troubleshoot problem.
Perform the following steps if the EGR Valve current is high.
- To check for a short circuit, disconnect harness connector at actuator control valve coil. Measure coil resistance between pins A and B. Allowed ranges are listed in Table
"Ranges Allowed (ohms)"
. Also, see Figure
"EGR Valve Coil Wiring"
Coil Temperature °C
Coil Temperature °F
Allowed Ranges (ohms)
3.4 - 4.2
3.7 - 4.6
4.4 - 5.4
Figure 1. EGR Valve Coil Wiring
- If coil resistance is too low replace the actuator assembly.
- If coil resistance is okay go to step 2 .
- Disconnect engine harness at the ECU and at the coil and measure resistance across the two pin connector pins.
- If resistance is less than 100 Ω, the two wires are shorted to each other.
- If the resistance is greater than 100 Ω, try a test ECU or contact the Detroit Diesel Customer Service Center (313–592–5800).
Perform the following steps to verify repairs.
- Turn ignition OFF.
- Reconnect all connectors.
- Turn ignition ON.
- Start and run engine.
- Check DDR/DDDL codes.
- If no codes are displayed, no further troubleshooting is required.
- If any other codes are logged.Refer to "20.18 Exhaust Gas Recirculation System Basic Checks for Series 60 Engines" .
- If code p 146/6 returns contact Detroit Diesel Customer Service Center (313–592–5800).
|Series 60 DDEC V Troubleshooting Guide - 6SE570|
|Generated on 10-13-2008|