Series 60 DDEC V Troubleshooting – Section 36.2 Troubleshooting Flash Code 32, SID 238, 239/FMI 3, 4

Section 36.2
Troubleshooting Flash Code 32, SID 238, 239/FMI 3, 4

Flash Code 32 indicates that the wire for the SEL/RSL or CEL/AWL is open or shorted to Battery +.‪

This diagnostic condition is typically:‪

• Open/broken output wire
• Shorted output wire

The following procedure will troubleshoot Flash Code 32.‪

Section 36.2.1
Determine Failure Mode Identifier (3 or 4)

Perform the following steps to determine FMI.‪

1. Turn ignition ON.
2. Plug in your diagnostic tool.
3. Read codes.
   1. If code 238/4 or 239/4 is logged, reprogram the ECM/ECU. Refer to "36.2.2.1 Verify Repairs" .
   2. If code 238/3 or 239/3 is logged, refer to "36.2.2 Check for Short to Battery" .

Section 36.2.2
Check for Short to Battery

Perform the following steps to determine failure.‪

1. Turn vehicle ignition OFF.
2. Disconnect vehicle harness connector.
3. Turn ignition ON.
4. Remove CEL/AWL bulb and SEL/RSL bulb.
5. Measure voltage between V-02 and a good ground. See Figure "ECM/ECU Vehicle Interface Harness Connector" .
   

   Figure 1. ECM/ECU Vehicle Interface Harness Connector

6. Measure voltage between V-07 and a good ground.
   1. If either measurement was greater than 0.5 volts, the wire that had the reading is shorted to some voltage source. Replace the wire(s). Refer to "36.2.2.1 Verify Repairs" .
   2. If no measurement was greater than 0.5 volts, contact Detroit Diesel Customer Support Center (313–592–5800).

Section 36.2.2.1
Verify Repairs

Perform the following steps to verify repairs.‪

1. Connect all connectors.
2. Start and run the engine.
3. Plug the diagnostic tool. Read the codes.
   1. If active code 32 is logged, review this section to find the error. Refer to "36.2 Troubleshooting Flash Code 32, SID 238, 239/FMI 3, 4" .
   2. If code 32 is not logged, troubleshooting is complete.