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Test G: Pats Received Incorrect Key-Code From Transponder

WARNING: This page is about a different car, the 2000 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Large metallic objects, a second PATS ignition key, or devices such as electronic credit cards on the same key ring may cause vehicle starting problem and possibly set this code. Ensure customers encoded ignition key is an approved Ford encoded ignition key. Encoded keys from Rotunda, Ilco, and Strattec are also approved keys.
  1. Using New Generation Star (NGS) or Worldwide Diagnostic System (WDS) tester, perform instrument cluster self-test. If DTC B1601 is retrieved, go to next step. If DTC B1601 is not retrieved, system is okay at this time. Check all existing encoded ignition keys with instrument cluster self-test to verify all other encoded ignition keys are programmed.
  2. Using NGS/WDS tester, monitor instrument cluster PID NUMKEYS. If PID NUMKEYS does not indicate 8, go to next step. If PID indicates 8, erase and reprogram key codes. See KEY PROGRAMMING - ERASE ALL KEYS & PROGRAM 2 KEYS  under PROGRAMMING.
  3. Verify there are at least 2 currently programmed encoded ignition keys available with vehicle. If 2 currently programmed encoded ignition keys are available with vehicle, go to next step. If 2 currently programmed encoded ignition keys are not available with vehicle, obtain 2 NEW encoded ignition keys. Program NEW encoded ignition keys. See KEY PROGRAMMING - ERASE ALL KEYS & PROGRAM 2 KEYS  under PROGRAMMING. After new encoded ignition keys are programmed, go to next step.
  4. Using NGS/WDS tester, monitor instrument cluster PID SPARE_KY. If PID indicates ENABLE, perform KEY PROGRAMMING - ERASE ALL KEYS & PROGRAM 2 KEYS  under PROGRAMMING, then go to next step. If PID does not indicate ENABLE, perform KEY PROGRAMMING - SPARE KEY PROGRAMMING SWITCH  under PROGRAMMING then go to next step.
  5. Turn ignition switch to LOCK position. Using first encoded ignition key, start vehicle. Using second encoded ignition key, start vehicle. If both encoded ignition keys do not start vehicle, go to next step. If both encoded ignition keys start vehicle, system is okay at this time. If there is a need to program additional encoded ignition keys, perform KEY PROGRAMMING - USING 2 PROGRAMMED KEYS  under PROGRAMMING.
  6. Using NGS/WDS tester, retrieve and record continuous DTCs. Clear continuous DTCs and perform instrument cluster self-test. If DTC B1601 is retrieved, replace instrument cluster then perform TEST J: SECURITY IDENTIFICATION DOES NOT MATCH BETWEEN INSTRUMENT CLUSTER & PCM  . If DTC B1601 is not retrieved, system is okay at this time. If any other DTCs are retrieved, perform appropriate test. See INSTRUMENT CLUSTER DTC INDEX  table under SELF-DIAGNOSTIC SYSTEM.
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