Typical Malfunction Thresholds
U0073: Control Module Communication Bus "A" Off
| CAN controller confirms the bus every 50 milliseconds, then the bus is turned OFF. | 1 count or more |
U0401: Invalid Data Received From ECM/PCM "A"
| The communication counter does not count up. (Check the communication counter value every 10 milliseconds.) |
50 count |
U0416: Invalid Data Received From Vehicle Dynamics Control Module
| The communication counter does not count up. (Check the communication counter value every 10 milliseconds.) |
40 count |