DTC Description
The PSCM monitors the HS-CAN bus when the ignition has been on for more than 5 seconds, when the voltage to the PSCM is greater than 6.5 volts and when there are no DTCs present that are inhibiting PSCM operation.
- DTC U0401:68 (Invalid Data Received from ECM/PCM A: Event Information) - This DTC sets if the PSCM receives invalid or unknown messages from the PCM. Missing or invalid vehicle speed, engine speed messages or a missing tire size message sets PSCM DTC U0401:68.