DTC P0642 is set when the voltage below 4240mV - minimum voltage of sensor power supply from the ECM/PCM is detected. This code is due to the short to ground in sensor power circuit or the voltage problem inside of ECM/PCM.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Electrical Check (VCC_PVS:Power Supply Voltage for Pedal Sensor 2 and MAP sensor) | 1. Short to Ground in "A" circuit 2. Sensor or wiring harness problem 3. ECM/PCM component |
Enable Conditions |
•
CIgnition Key ON | |
Threshold Value |
•
VCC_PVS_2 < 0.4V
•
VCC_PVS_2 >= 0.4 & < 4.5 | |
Diagnostic Time |
•
Continuous | |
MIL ON Condition |
•
1 driving cycles |
