DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message [05/2018 - ]: Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC U0100-87)
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Powertrain / Transmission / Trouble Codes.
Powertrain > Transmission > Trouble Codes
- Read the DTCs using the Techstream.
Result
Result Proceed to Only U0100-87 is output A U0100-87 and other DTCs are output B
Result:
A
REPLACE ECM. Refer to REMOVAL [10/2014 - 05/2019] , or refer to REMOVAL [05/2019 - ]
Result:
B
GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [05/2018 - 05/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [05/2019 - 07/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [07/2020 - ]