DTC C1254/54 Pressure Switch Circuit: Description

WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

DTC DETECTION CONDITION CHART

DTC No.	DTC Detection Condition	Trouble Area
C1254/54	Either of the following conditions is met: After turning the ignition switch ON, short or open circuit in pressure switch (PL) continues for more than 1 sec. After turning the ignition switch ON, open in pressure switch (PH) continues for more than 1 sec.	Pressure switch (PH or PL) Pressure switch circuit