DTC U0129: Lost Communication with Brake System Control Module [02/2017 - ]: Procedure
- CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC U0129)
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
Powertrain > Engine and ECT > Trouble Codes
- Read the DTCs
Result
Result Proceed to DTC U0129 is output A DTC U0129 and other DTCs are output B HINT:
If any DTCs other than U0129 are output, troubleshoot those DTCs first.
Result:
A
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [02/2017 - 05/2018] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [05/2018 - 09/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2019 - 08/2020] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2020 - ]
Result:
B
GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [02/2017 - 05/2018] , or refer to DIAGNOSTIC TROUBLE CODE CHART [05/2018 - 09/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [09/2019 - 08/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2020 - ]