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Home >> Mercury >> 2010 >> Milan Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 955 (Anti-Theft System - Pats - (Except Hybrid)) >> Diagnostic Tests >> Anti-Theft >> Pinpoint Tests >> Pinpoint Test D: DTC B1602 - PATS Received Invalid Format Of Key-Code From Ignition Key Transponder >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

During each vehicle start sequence, the passive anti-theft system (PATS) transceiver reads the PATS key identification code and sends the data to the powertrain control module (PCM).

DTC B1602 - sets when only a partial PATS key was read. Remote starter equipment can also cause this diagnostic trouble code (DTC).

Possible Causes

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