The Transmission Control Module (TCM) receives the vehicle’s Powertrain Adaptive Cruise Control Type message from a vehicle Electronic Control Unit (ECU) over the Primary Data Link (J1939A). This information is used to determine transmission operation.
The TCM monitors Powertrain Adaptive Cruise Control Type messages. If messages are invalid, the fault is set Active.
FMI 13 - Out of Calibration: TCM incorrectly configured.
FMI 14 - Special Instructions: TCM incorrectly configured.
FMI 13, 14:
FMI 13, 14: TCM configured correctly and Powertrain Adaptive Cruise Control Type messages received and valid for 10 seconds.
FMI 13, 14:
Set vehicle parking brake and chock wheels.
Record transmission fault codes, FMIs, occurrences, and timestamps from Service Activity Report created during the Diagnostic Procedure.
If Fault Code 183 is Inactive and there are other Active vehicle or transmission fault codes, troubleshoot all Active fault codes. Go to Step V
If Fault Code 183 FMI 13 is Active, Go to Step B
If Fault Code 183 FMI 13 is Inactive, Go to Step V
If Fault Code 183 FMI 14 is Active, Go to Step C
If Fault Code 183 FMI 14 is Inactive, Go to Step V
Key on with engine off.
Connect ServiceRanger.
Go To “Configuration”.
Select “Vehicle”.
Record "External Braking Integration" Current Value.
Select External Braking Integration "Supported (Stop and Auto System Go)" option and follow on-screen prompts.
Key on with engine off.
Connect ServiceRanger.
Go To “Configuration”.
Select “Vehicle”.
Record "External Braking Integration" Current Value.
Select External Braking Integration "Not Supported" or "Supported (Stop and Driver Go)" option and follow on-screen prompts.
Note: Contact OEM for appropriate vehicle External Braking Integration system option.
Key off.
Reconnect all connectors and verify 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 vehicle operates properly, test complete.
If Fault Code 183 sets Active during operation, Go to Step A
If a fault code other than 183 sets Active, troubleshoot per Fault Code Isolation Procedure Index.