DTC P0642 is set when the voltage below 4240mV - minimum voltage of sensor power supply from the PCM is detected. This code is due to the short to ground in sensor power circuit or the voltage problem inside of PCM.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Electricalal check | 1. Sensor power supply A circuit 2. PCM component |
Enable Conditions |
•
Battery 11V ~ 16V | |
Threshold Value |
•
Reference voltage(5V) is lower than 4.24V | |
Diagnostic Time |
•
Continuous | |
MIL ON Condition |
•
2 driving cycles |
