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Subaru Legacy Service Manual: Dtc c2124 transmitter 4 no data

DTC DETECTING CONDITION:

Detected when no data is received from each transmitter for 8 minutes or more at a vehicle speed of 40 km/h (25 MPH) or more. (Timer is not cleared when the vehicle speed becomes lower than 40 km/h halfway.)

TROUBLE SYMPTOM:

Tire pressure warning light blinks 25 times and then illuminates.

STEPCHECKYESNO

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)

Is DTC displayed as “Present fault”-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA

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.START FRONT LEFT TRANSMITTER.

1) Connect the Subaru Select Monitor and then turn the ignition switch to ON.

2) Select «Current Data Display & Save» of the tire pressure monitor. Read Current Data

3) Use the transmitter registration tool and transmit the ID from the front left transmitter to check «Latest reception ID».

Is «Latest reception ID» updated-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA

Replace the front left transmitter. Tire Pressure Monitoring System

3.CHECK FRONT LEFT TRANSMITTER ID.

Compare the ID on the latest ID display with «Registered ID 1».

Are the two IDs same-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA

Record «Latest reception ID» as the front left. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA

4.START FRONT RIGHT TRANSMITTER.

Use the transmitter registration tool and transmit the ID from the front right transmitter to check «Latest reception ID».

Is «Latest reception ID» updated-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA

Replace the front right transmitter. Tire Pressure Monitoring System

5.CHECK FRONT RIGHT TRANSMITTER ID.

Compare the ID on the latest ID display with «Registered ID 2».

Are the two IDs same-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA

Record «Latest reception ID» as the front right. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA

6.START REAR RIGHT TRANSMITTER.

Use the transmitter registration tool and transmit the ID from the rear right transmitter to check «Latest reception ID».

Is «Latest reception ID» updated-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA

Replace the rear right transmitter. Tire Pressure Monitoring System

7.CHECK REAR RIGHT TRANSMITTER ID.

Compare the ID on the latest ID display with «Registered ID 3».

Are the two IDs same-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA

Record «Latest reception ID» as the rear right. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA

8.START REAR LEFT TRANSMITTER.

Use the transmitter registration tool and transmit the ID from the rear left transmitter to check «Latest reception ID».

Is «Latest reception ID» updated-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA

Replace the rear left transmitter. Tire Pressure Monitoring System

9.CHECK REAR LEFT TRANSMITTER ID.

Compare the ID on the latest ID display with «Registered ID 4».

Are the two IDs same-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA

Record «Latest reception ID» as the rear left. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA

10.CHECK MALFUNCTION TRANSMITTER.

Is ID recorded by this procedure-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA

11.CHECK MALFUNCTION TRANSMITTER.

Check the registered ID of the transmitter indicated by DTC.

Is there checked ID in the record-

Replace the transmitter of the recorded position. Tire Pressure Monitoring System

Replace the transmitter showing the latest ID that is not included in the registered IDs. Tire Pressure Monitoring System

CAUTION:

When driving vehicle to perform driving test, there should be always 2 persons (driver and checker) to check.

Dtc c2221 transmitter 1 pressure data abnormal
NOTE:Refer to DTC C2224 for diagnostic procedure. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2224 TRANSMITTER 4 PRESSURE DATA ABNORMAL ...

Dtc c2123 transmitter 3 no data
NOTE:Refer to DTC C2124 for diagnostic procedure. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA ...

Other materials:

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