1. Immobilizer system check.
NOTE: If the HDS does not communicate with the immobilizer-keyless control unit, check the power, ground, and K line connections.
Immobilizer - Information/Record Data/History Data - Immobilizer Information
Is N-1 OK indicated?
YES
Replace the gauge control module.
NO
Replace the immobilizer-keyless control unit.
IMMOBILIZER SYSTEM SYMPTOM TROUBLESHOOTING INDEX
Troubleshoot the immobilizer system in the order shown:
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IMMOBILIZER INDICATOR DOES NOT GO OFF OR DOES NOT COME ON
Refer to: Keyless Access System Symptom Troubleshooting - Immobilizer indicator does not go off or does not come on
Keyless Access System Symptom Troubleshooting - All The Doors And The
Tailgate Will Not Lock And Unlock
Keyless Access System Symptom Troubleshooting - Cannot Select ON Mode With
Keyless Access And With The Keyless Remote Touching The Engine Start/Stop Switch
Keyless Access System Symptom Troubleshooting - Cannot Select ON Mode With
Keyless Access, But Can Select ON Mode With The Keyless Remote Touching The
Engine Start/Stop Switch
Keyless Access System Touch Sensor Circuit Troubleshooting
Interior Care