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Home >> Subaru >> 2016 >> Crosstrek Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 69 (Keyless Access System (Diagnostics)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC B1577 IMM Control Module EEPROM >> Except For C0 And C5 Models >> DTC Detecting Condition

Except For C0 And C5 Models: DTC Detecting Condition

WARNING: This page is about a different car, the 2015 Subaru XV Crosstrek and 2015 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.
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 B1577 displayed? Replace the keyless access control module. < Ref. to KEYLESS ACCESS CONTROL MODULE . > System is normal.
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