Fault Code 137: Source Address of Controlling Device for TSC1 Control Purpose P7
J1939: SA 3 SPN 11756 FMI 9, 10, 11, 13, 31
Overview
The Transmission Control Module (TCM) receives a Source Address message from the Automated Driving System (ADS) controlling device for TSC1 Control Purpose P7 over the Primary Data Link (J1939A). This information is used to determine transmission operation.
Detection
The TCM monitors Source Address of Controlling Device for TSC1 Control Purpose P7 messages. If messages are not received or are invalid, the fault is set Active.
Conditions to Set Fault Code Active
FMI 9 - Abnormal Update Rate: Source Address of Controlling Device for TSC1 Control Purpose P7 message not received for 5 seconds.
FMI 10 - Abnormal Rate of Change: Source Address of Controlling Device for TSC1 Control Purpose P7 Safety Header Message (SHM) invalid for 5 seconds.
FMI 11 - Root Cause Unknown: Source Address of Controlling Device for TSC1 Control Purpose P7 SHM not received for 5 seconds.
FMI 13 - Out of Calibration: Source Address of Controlling Device for TSC1 Control Purpose P7 messages not available for 5 seconds.
FMI 31 - Condition Exists: Source Address of Controlling Device for TSC1 Control Purpose P7 SHM invalid for 5 seconds.
Fallback
All FMIs:
- Amber warning lamp on
- ADS operation prohibited
Conditions to Set Fault Code Inactive
All FMIs: Source Address of Controlling Device for TSC1 Control Purpose P7 messages received and valid for 10 seconds.
Possible Causes
All FMIs:
- Vehicle Components
- Source Address of Controlling Device for TSC1 Control Purpose P7 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 137 Troubleshooting
Record the transmission fault codes, FMIs, occurrences, and timestamps from the Service Activity Report created during the Diagnostic Procedure.
If Fault Code 137 is Inactive and there are other Active vehicle or transmission fault codes, troubleshoot all Active fault codes. Go to Step V
If Fault Code 137 FMI 9, 10, 11, 31 is Active or Inactive, refer to OEM guidelines for repair of the vehicle Source Address of Controlling Device for TSC1 Control Purpose P7 message (SPN 11756). Go to Step V
If Fault Code 137 FMI 13 is Active, refer to OEM and enable vehicle Source Address of Controlling Device for TSC1 Control Purpose P7 message (SPN 11756). Go to Step V
If Fault Code 137 FMI 13 is Inactive, Go to Step V
Key off.
Reconnect all connectors and verify that all components are properly installed.
Key on with engine off.
Connect ServiceRanger.
Go to “Fault Codes”.
Select “Clear All Faults”.
Operate vehicle and attempt to reset the fault code or duplicate the previous complaint.
Check for fault codes using ServiceRanger.
If no fault codes set and the vehicle operates properly, test complete.
If Fault Code 137 sets Active during operation, Go to Step A
If a fault code other than 137 sets Active, troubleshoot per Fault Code Isolation Procedure Index.