DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message [10/2022 - ]: Procedure
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- CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC U0100-87)
- Read the DTCs using the GTS.
Powertrain > Transmission > Trouble Codes
Result
Result Proceed to Only DTC U0100-87 is output A DTC U0100-87 and other DTCs are output B
Result:
B
GO TO DTC CHART. Refer To DIAGNOSTIC TROUBLE CODE CHART [10/2022 - 11/2023] , or Refer To DIAGNOSTIC TROUBLE CODE CHART [11/2023 - ]
Result:
A
See step 2
- Read the DTCs using the GTS.
- REPLACE ECM
Refer to REMOVAL [10/2022 - 11/2023] , or refer to REMOVAL [11/2023 - ]
Result
Proceed to NEXT Result:
NEXT
PERFORM REGISTRATION. Refer to REGISTRATION [10/2022 - ]