The Transmission Control Module (TCM) receives the vehicle’s Anti-Slip Regulation (ASR) Brake Control Active message over the Primary Data Link. This information is used to determine transmission operation.
The TCM monitors the ASR Brake Control Active message. If a failure is detected the fault is set Active.
FMI 13 - Out of Calibration: ASR Brake Control Active message not available for 5 seconds.
FMI 19: ASR Brake Control Active message invalid for 5 seconds.
FMI 13, 19:
FMI 13, 19: ASR Brake Control Active message.
FMI 13, 19:
Record the transmission fault codes, FMIs, occurrences, and timestamps from the Service Activity Report created during the Diagnostic Procedure.
If Fault Code 151 is Inactive and there are other Active vehicle or transmission fault codes, troubleshoot all Active fault codes.Go to Step V
If Fault Code 151 FMI 13 is Active, refer to OEM and enable vehicle ASR Brake Control Active SPN 562. Go to Step V
If Fault Code 151 FMI 13 is Inactive, Go to Step V
If Fault Code 151 FMI 19 is Active or Inactive, refer to OEM guidelines regarding ASR Brake Control Active message repair or replacement. 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 151 sets Active during operation, Go to Step A
If a fault code other than 151 sets Active, troubleshoot per Fault Code Isolation Procedure Index.