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Anti-Theft (Immobilizer) System DTCS: ECM

ECM DIAGNOSTIC TROUBLE CODE IDENTIFICATION

DTC Item Contents of diagnosis Index No.
B1570 ANTENNA Faulty antenna Ref. to DTC B1570 ANTENNA , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1571 REFERENCE CODE INCOMPATIBILITY (IMMOBILIZER CONTROL MODULE TO ECM) Reference code incompatibility between body integrated unit and ECM Ref. to DTC B1571 REFERENCE CODE INCOMPATIBILITY (IMMOBILIZER CONTROL MODULE TO ECM) , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1572 IMM CIRCUIT EXCEPT ANTENNA CIRCUIT Communication failure between body integrated unit and ECM Ref. to DTC B1572 IMM CIRCUIT EXCEPT ANTENNA CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1574 KEY COMMUNICATION Communication failure between key and body integrated unit Ref. to DTC B1574 KEY COMMUNICATION , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1575 INCORRECT IMMOBILIZER KEY Incorrect immobilizer key (use of unregistered key in body integrated unit) Ref. to DTC B1575 INCORRECT IMMOBILIZER KEY , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1576 EGI CONTROL MODULE EEPROM ECM malfunctioning Ref. to DTC B1576 EGI CONTROL MODULE EEPROM , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1577 IMM CONTROL MODULE EEPROM Body integrated unit malfunctioning Ref. to DTC B1577 IMM CONTROL MODULE EEPROM , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1578 METER Except for C5 model
  • Reference code incompatibility between combination meter and body integrated unit
  • Communication failure between body integrated unit and ECM
Ref. to DTC B1578 METER , Diagnostic Procedure with Diagnostic Trouble
C5 model Code (DTC).
  • Reference code incompatibility between body integrated unit and security control module
  • Communication failure between body integrated unit and ECM