DTC C1748: Low Pressure Tank Valve (TO 08/2009): Description

The low pressure tank valve built into the pneumatic tank assembly opens to store and discharge air in the pneumatic tank according to the signal from the suspension control ECU.

DTC No.	DTC Detection Condition	Trouble Area
C1748	When either of the following is detected: With the low pressure tank valve not activated, an open signal of the low pressure tank valve is detected for 1 second or more. With the low pressure tank valve activated, a short signal of the low pressure tank valve is detected 8 times successively.	Low pressure tank valve Wire harness or connector Suspension control ECU