April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P0452 EVAP. Emission System-Pressure Sensor Low Input: DTC Detecting Condition

DTC DETECTING CONDITION

Item	Detecting Condition	Possible Cause
DTC Strategy	Voltage range check	Short to ground in FTPS harness Open in FTPS harness Contact resistance in connectors Defective FTPS
Enable Conditions	Battery voltage > 11V
Threshold Value	Signal voltage < 0.35V
Diagnostic Time	5 sec.
MIL On Condition	2 Driving Cycles