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Remote Keyless Entry Diagnostic System Check

WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect scan tool to Data Link Connector (DLC) located under steering column. If scan tool powers up, go to next step. If scan tool does not power up, go to SCAN TOOL DOES NOT POWER UP under SELF-DIAGNOSTIC SYSTEM in BODY CONTROL MODULES - CORVETTE article.
  2. Turn ignition on. Attempt to establish communication with RFA system. If scan tool communicates with RFA system, go to next step. If scan tool does not communicate with RFA system, go to SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SELF-DIAGNOSTIC SYSTEM in BODY CONTROL MODULES - CORVETTE article.
  3. Display RFA DTCs on scan tool. If scan tool displays any DTCs, go to next step. If scan tool does not display and DTCs, go to TRANSMITTER INOPERATIVE  under SYSTEM TESTS.
  4. If scan tool display any DTCs which begin with a "U", go to SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SELF-DIAGNOSTIC SYSTEM in BODY CONTROL MODULES - CORVETTE article. If scan tool does not display any DTCs that begin with "U", go to DTC IDENTIFICATION  table under SELF-DIAGNOSTIC SYSTEM.
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