Series 60 DDEC V Troubleshooting – Section 68.2 Troubleshooting Flash Code 72, PID 84/FMI 0/11

Section 68.2
Troubleshooting Flash Code 72, PID 84/FMI 0/11

Use the following procedures to troubleshoot Flash Code 72, p 84/0 or 11.‪

Section 68.2.1
Overspeed

Perform the following steps to troubleshoot overspeed.‪

1. These codes indicate the vehicle speed has exceeded the limits programmed into the ECM/ECU. Verify Cruise Control and VSS information.
   1. Code p 84/0 - Overspeed with fuel limit has been exceeded.
   2. Code p 84/11 - Overspeed without fuel limit has been exceeded.
2. Determine if limits are a reasonable distance above the road speed limit.
   1. If the limits are a reasonable distance, go to step 3 .
   2. If the limits are not a reasonable distance above the road speed limit, change the limits and perform the test. Refer to "68.2.1.1 Verification Test" .
3. Determine if the Fuel Economy Incentive feature configured recently.
   1. If configured recently, review the limits. W/FEI limits may need to be increased.
   2. If not configured recently, the conditions are normal. The vehicle has exceeded speed limits set.

Section 68.2.1.1
Verification Test

Perform the following steps to troubleshoot overspeed.‪

1. Start and run the engine.
2. Perform a road test.
   1. If the overspeed condition has disappeared, troubleshooting is complete.
   2. If the overspeed condition still exists, review this section from the beginning to find the error. Refer to "68.2.1 Overspeed" .