LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2013 >> Legacy Base, Automatic CVT Trans >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Security And Locks - Keyless Access (W/Push Button Start) (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC B1577 IMM Control Module EEPROM >> DTC Detecting Condition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC B1577 IMM Control Module EEPROM: DTC Detecting Condition

DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK DTC. 
  1. Turn the ignition switch to ON.
  2. Perform the clear memory operation of ECM.
  3. Turn the ignition switch to OFF.
  4. Remove and install the battery.
  5. Turn the ignition switch to ON.
  6. After 5 seconds or more, read DTC.
 Is P1577 displayed? Replace the keyless access CM. < Refer to KEYLESS ACCESS CM . > System is normal.


Step Check Yes No
1 CHECK DTC. 
  1. Turn the ignition switch to ON.
  2. Perform the clear memory operation of ECM.
  3. Turn the ignition switch to OFF.
  4. Register the ID code box.
  5. Read the DTC again.
 Is P1577 displayed? Replace the ID code box. < Refer to ID CODE BOX . > System is normal.
scientia non olet · About LEMON Manuals