Remote Keyless Entry Diagnostic System Check

2001 Chevrolet Corvette Base, 2D Convertible, StandardSECTION Remote Keyless Entry Diagnostic System Check
  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 TEST A: SCAN TOOL DOES NOT POWER UP  under SYSTEM TESTS.
  2. Turn ignition on. Attempt to establish communication with Dash Integration Module (DIM), Driver Door Module (DDM) and Remote Control Door Lock Receiver (RCDLR) module. If scan tool communicates with these modules, go to next step. If scan tool does not communicate with these modules, go to TEST B: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE  under SYSTEM TESTS.
  3. Display DIM, DDM and RCDLR DTCs on scan tool. If scan tool displays any DTCs, go to next step. If scan tool does not display and DTCs, go to appropriate REMOTE KEYLESS ENTRY article and diagnose by symptom.
  4. If scan tool displays any DTCs which begin with a "U", go to TEST B: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE  under SYSTEM TESTS. If scan tool does not display any DTCs that begin with "U", go to next step.
  5. If scan tool displays DTC B0605 or B1000, go to DTC B0605: BCM INTERNAL MEMORY MALFUNCTION  or DTC B1000: ECU MALFUNCTION  under DIAGNOSTIC TESTS. If scan tool does not display DTCs B0605 or B1000, diagnose Remote Keyless Entry (RKE) by symptom. See REMOTE KEYLESS ENTRY SYSTEMS - CORVETTE article.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.