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Home >> Subaru >> 2015 >> Outback 2.5i Limited >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Security And Locks - Keyless Access (W/Push Button Start) (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC B1577 IMM Control Module EEPROM >> Except For C0 And C5 Models >> Trouble Symptom
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Except For C0 And C5 Models: Trouble Symptom

Engine will not start.

CAUTION: For replacement procedure of keyless access control module, refer to the "REGISTRATION MANUAL FOR IMMOBILIZER".
DIAGNOSTICS 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 B1577 displayed? Replace the keyless access CM. <Ref. to KEYLESS ACCESS CM .> Even if DTC is displayed, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.
NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.
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