DTC B1600: No Key Code Received/Damaged Encoded Key Or Use Of Non-Pats Encoded Ignition Key
- Turn ignition switch to LOCK position. Using NGS tester, retrieve and record continuous DTCs. Clear continuous DTCs and perform PATS module self-diagnostic test. If DTC B1600 is retrieved, go to next step. If any other DTCs are retrieved, perform appropriate diagnostic test. If no DTCs are retrieved, system is okay at this time.
- Obtain NEW encoded ignition key and insert into ignition. Turn ignition switch to RUN position. Program NEW encoded ignition key. See PROGRAMMING . Using NGS tester, perform PATS module self-diagnostic test. If DTC B1600 is retrieved, go to next step. If any other DTCs are retrieved, perform appropriate diagnostic test. If no DTCs are retrieved, system is okay at this time.
- Turn ignition switch to LOCK position. Check PATS transceiver module for correct installation, and repair as necessary. Using original ignition key, turn ignition switch to RUN position. Using NGS tester, perform PATS module self-diagnostic test. If DTC B1600 is retrieved, replace PATS transceiver module. See PATS MODULE under REMOVAL & INSTALLATION. Cycle ignition off and on with 2 NEW encoded ignition keys. Clear DTCs and repeat PATS module self-diagnostic test. If any DTCs are retrieved, perform appropriate diagnostic test. If no DTCs are retrieved, system is okay at this time.