Lycoming TEO-540-C1A Maintenance Manual page 534

Fault ID 381
Fault
Description
Root Cause
Fault ID 382
Fault
Description
Root Cause
Fault ID 383
Fault
Description
Root Cause
Fault ID 384
Fault
Boot mode CAN error
Description
Root Cause This fault indicates a CAN error occurred while in boot mode
Fault ID 385
Fault
Boot mode service tool timeout
Description
Root Cause This fault indicates a loss of communication with service tool while in boot mode
Fault ID 386
Fault
Boot mode programming error
Description
This fault indicates a failure to program the unit potentially due to flash memory
Root Cause
corruption
1. With Ignition switch in OFF position, remove ECU power by pulling the ECU circuit breaker. Wait 10s
before resetting. Is fault active? If no, go to step 2. If yes, replace the ECU.
2. Clear Service faults using the FST by following the steps outlined in the "Access the Field Service
Tool" section in Appendix C or the latest revision of SSP-118.
Appendix D
Page 504
Fault Group 48
Troubleshooting Steps
Fault Group 48
Troubleshooting Steps
Fault Group 48
Troubleshooting Steps
Fault Group 49
Fault Group 49
Fault Group 49
Troubleshooting Steps for Faults 384 thru 386
TEO-540-C1A Engine Maintenance Manual
Fault Name
-Reserved-
Fault Lamp
Fault Name
-Reserved-
Fault Lamp
Fault Name
-Reserved-
Fault Lamp
Fault Name
[FAULT: BOOT CAN ERROR]
Fault Lamp
[FAULT: BOOT COMMS
Fault Name
TIMEOUT]
Fault Lamp
Fault Name
[FAULT: BOOT PROG ERROR]
Fault Lamp
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November 2018