Retrieving Codes
WARNING: This page is about a different car, the 1997 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
A New Generation Star (NGS) Tester (007-00500) is required for testing the passive ant-theft control system.
Before beginning any testing, retrieve any existing Diagnostic Trouble Codes (DTCs) from Passive Anti-Theft System (PATS) module. See ON-DEMAND SELF-TEST in appropriate MODULE COMMUNICATIONS NETWORK article. Make any repairs that may be indicated and perform appropriate code related test under SYSTEM TESTS.
DTC DESCRIPTIONS
| DTC | Description | Possible Source |
|---|---|---|
| U1147 | Vehicle Security Status Message Missing | Circuitry. Multiplex communications network concern. |
| B1213 | Anti-Theft Number of Programmed Keys Is Below Minimum | Circuitry. Transceiver module. Powertrain control module (PCM). |
| B1600 | Ignition Key Transponder Signal Not Received | Fuse. Circuitry. Damaged encoded ignition key. Passive anti-theft system (PATS) transceiver module. |
| B1601 | Incorrect Key Code From Ignition Key Transponder | Circuitry. Encoded ignition key. Passive anti-theft system (PATS) transceiver. |
| B1602 | Invalid Format Key Code From Ignition Key Transponder | Passive anti-theft system (PATS) module. Powertrain control module (PCM). |
| B1681 | Transceiver Module Signal Not Received | Circuitry. Transceiver module. Passive anti-theft system module. |
| TEST A | No THEFT Indicator Prove Out | Fuse(s). Circuitry. PATS module and transceiver. Damaged light emitting diode (LED). |