IMMOBILIZER (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC P1571 REFERENCE CODE INCOMPATIBILITY

DTC DETECTING CONDITION:

Reference code incompatibility between IMM ECM and ECM

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1.PERFORM REGISTRATION ON IGNITION KEY.

Perform registration on all keys of the vehicle. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER”.

Is registration for all keys complete?

END.

2.CHECK DTC.

Is there any DTC related to immobilizer except DTC P1571?

Eliminate the cause of DTC other than DTC P1571, and perform the registration procedure again.

Replace the ECM and IMM ECM , and then replace all ignition keys (including the transponder). Execute the registration procedure next. Refer to REGISTRATION MANUAL FOR IMMOBILIZER (Pub. No. S0820GZ).