Fault Code 117: Engine Source Address

J1939: SA 3 SPN 2000 FMI 9

Overview

The Transmission Control Module (TCM) receives a Source Address message from the engine control module over the Primary Data Link (J1939A). This information is used to determine transmission operation.

Detection

The TCM monitors Engine Source Address messages. If messages are not received, the fault is set Active.

Conditions to Set Fault Code Active

FMI 9: Abnormal Update Rate: Engine Source Address message not received.

Fallback

FMI 9:

  • Amber warning lamp on
  • No degraded modes

Conditions to Set Fault Code Inactive

FMI 9: Key cycle and fault condition no longer exist.

Possible Causes

FMI 9:

  • Vehicle Components - Vehicle ECU(s)
    • Engine Source Address message not enabled
    • Other vehicle ECU(s) faulted
  • Vehicle Harness - Primary Data Link (J1939A)
    • Shorted to power, shorted to ground or open circuit
    • Terminals bent, spread, corroded, or loose

      Note: Refer to OEM for troubleshooting a failed system.

Additional Tools

  • None

Fault Code 117 Troubleshooting

A
Purpose:Check for Active or Inactive fault codes.
  1. Record the transmission fault codes, FMIs, occurrences, and timestamps from the Service Activity Report created during the Diagnostic Procedure.

  • If Fault Code 117 is Inactive and there are other Active vehicle or transmission fault codes, troubleshoot all Active fault codes. Go to Step V

  • If Fault Code 117 FMI 9 is Active or Inactive, refer to OEM guidelines for repair of the vehicle Engine Source Address (SPN 2000). Go to Step V

V
Purpose:Verify Repair.
  1. Key off.

  2. Reconnect all connectors and verify that all components are properly installed.

  3. Key on with engine off.

  4. Connect ServiceRanger.

  5. Go to “Fault Codes”.

  6. Select “Clear All Faults”.

  7. Operate vehicle and attempt to reset the fault code or duplicate the previous complaint.

  8. Check for fault codes using ServiceRanger.