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DTC 44 Transmitter 4 Function Code Abnormal: Trouble Symptom

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Tire pressure warning light blinks 25 times and then illuminates.

DIAGNOSIS PROCEDURE

Step Check Yes No
1 START FL TRANSMITTER. 
  1. Connect the Subaru Select Monitor and then turn the ignition switch to ON.
  2. Select "Transmitter ID". < Ref. to DISPLAY TRANSMITTER (ID) . >
  3. Use the transmitter registration tool and transmit the ID from the FL transmitter to check "Latest reception ID".
 Is "Latest reception ID" updated? Go to step 2  . Replace front left transmitter.
2 CHECK FL TRANSMITTER ID. 
Check the ID displayed in the updated ID display and the tire 1 registered ID.		 Are the two IDs same? Go to step 3  . Record the received ID update as the FL transmitter. Go to step 3  .
3 START FR TRANSMITTER. 
Use the transmitter registration tool and transmit the ID from the FR transmitter to check "Latest reception ID".		 Is "Latest reception ID" updated? Go to step 4  . Replace the front right transmitter.
4 CHECK FR TRANSMITTER ID. 
Check the ID displayed in the updated ID display and the tire 2 registered ID.		 Are the two IDs same? Go to step 5  . Record the received ID update as the FR transmitter. Go to step 5  .
5 START RR TRANSMITTER. 
Use the transmitter registration tool and transmit the ID from the RR transmitter to check "Latest reception ID".		 Is "Latest reception ID" updated? Go to step 6  . Replace the RR transmitter.
6 CHECK RR TRANSMITTER ID. 
Check the ID displayed in the updated ID display and the tire 3 registered ID.		 Are the two IDs same? Go to step 7  . Record the received ID update as the RR transmitter. Go to step 7  .
7 START RL TRANSMITTER. 
Use the transmitter registration tool and transmit the ID from the RL transmitter to check "Latest reception ID".		 Is "Latest reception ID" updated? Go to step 8  . Replace the RL transmitter.
8 CHECK RL TRANSMITTER ID. 
Check the ID displayed in the updated ID display and the tire 4 registered ID.		 Are the two IDs same? Go to step 9  . Record the received ID update as the RL transmitter. Go to step 9  .
9 CHECK MALFUNCTION TRANSMITTER.  Is ID recorded by this procedure? Go to step 10  . Check again. Go to step 1. 
10 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. Replace the transmitter showing the latest ID that is not included in the registered IDs.
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