Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc c2424 transmitter 4 battery voltage low

Subaru Legacy BN/BS (2015-2019) Service Manual / Tire pressure monitoring system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc c2424 transmitter 4 battery voltage low

DTC DETECTING CONDITION:

Detected when power supply voltage failure signal is received from each transmitter.

TROUBLE SYMPTOM:

Tire pressure warning light blinks 25 times and then illuminates.

STEP	CHECK	YES	NO
1.REPRODUCTION OF FAILURE. 1) Perform the drive test. Drive the vehicle at 40 km/h (25 MPH) or faster for at least 10 minutes. 2) Read the DTC of tire pressure monitoring. Read Diagnostic Trouble Code (DTC) > OPERATION	Is DTC displayed as “Present fault”-	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2424 TRANSMITTER 4 BATTERY VOLTAGE LOW	When DTC is displayed as “Past faults”, the system has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again. NOTE: In this case, there may be temporary poor communication due to radio wave environment inside/outside the vehicle.
2.CHECK TRANSMITTER. 1) Replace all transmitters and register their IDs. Register Transmitter (ID) > OPERATION 2) Perform the Clear Memory Mode. Clear Memory Mode 3) Perform the Inspection Mode. Inspection Mode	Is the fault eliminated-	Internal battery of the transmitter had worn out.	Replace the TPMS & keyless entry CM or TPMS CM. Tire Pressure Monitoring System

Dtc c2021 tire 1 air pressure low (normal mode)

NOTE:Refer to DTC C2024 for diagnostic procedure. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2024 TIRE 4 AIR PRESSURE LOW (NORMAL MODE) ...

Dtc c2423 transmitter 3 battery voltage low

NOTE:Refer to DTC C2424 for diagnostic procedure. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2424 TRANSMITTER 4 BATTERY VOLTAGE LOW ...

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