LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Saturn >> 2000 >> SC2 Automatic, MP6 >> Repair and Diagnosis >> General Information >> Computer Relearn Procedures >> Relearn Procedures (Cars) >> Corvette >> BCM/PASS-KEY Relearn Procedure For Anti-Theft System
April 5, 2026: LEMON Manuals is launched! Read the announcement.

BCM/PASS-KEY Relearn Procedure For Anti-Theft System

  1. Connect scan tool. Turn ignition on. Select BCM RPO Programming. Program BCM with proper RPO codes. Go to next step.
  2. Ensure proper communications between BCM and ECM. If communication to PCM does not exist, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE. If communication to BCM does not exist, see BCM DIAGNOSTIC SYSTEM CHECK in BODY CONTROL MODULES - CORVETTE article. If a Techline Terminal T50/T60(R) is available, go to step 5). If a scan tool is available, go to step 4). If a scan tool is not available, go to next step.
  3. Turn ignition on (engine off) for 11 minutes. Turn ignition off for 30 seconds. Turn ignition on (engine off) for 11 minutes. Turn ignition off for 30 seconds. Turn ignition on (engine off) for 11 minutes or until DTC P1630 sets. Turn ignition off for 30 seconds. Turn ignition on for 30 seconds. Start engine. If engine starts, perform BCM diagnostic system check. See BCM DIAGNOSTIC SYSTEM CHECK in BODY CONTROL MODULES - CORVETTE article. If engine does not start, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
  4. Connect scan tool to vehicle Diagnostic Link Connector (DLC). Turn ignition on. Using scan tool, enter SERVICE PROGRAMMING SYSTEM (SPS). After entering vehicle information, select Request Info soft key. Select DONE and follow instructions on Vehicle Set-Up screen. Disconnect scan tool from vehicle and connect to Techline terminal. Using Techline terminal, select SERVICE PROGRAMMING SYSTEM (SPS). Select terminal to scan tool programming method. Select DONE. Follow instructions on terminal. Select Vehicle Theft Relearn. Select Program at summary screen. Terminal will download information to scan tool. Disconnect scan tool from terminal and reconnect to vehicle DLC. Select SERVICE PROGRAMMING SYSTEM (SPS) from main menu. Enter vehicle model year and type information. Select Theft Relearn soft key. Follow instructions on scan tool. Security timer will remain on for about 11 minutes or until DTC P1630 sets. DO NOT disconnect scan tool during this time. When system is ready, turn ignition off for 30 seconds. Start engine. If engine starts perform BCM diagnostic system check. See BCM DIAGNOSTIC SYSTEM CHECK in BODY CONTROL MODULES - CORVETTE article. If engine does not start, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
  5. Using Techline Terminal T50/T60(R), enter SERVICE PROGRAMMING SYSTEM (SPS). Select terminal to vehicle programming. Select DONE and follow instructions on Vehicle Set-Up screen. Select Vehicle Theft Relearn. Follow instructions on terminal. Security timer will remain on for about 11 minutes or until DTC P1630 sets. DO NOT disconnect terminal during this time. When system is ready, turn ignition off for 30 seconds. Start engine. If engine starts perform BCM diagnostic system check. See BCM DIAGNOSTIC SYSTEM CHECK in BODY CONTROL MODULES - CORVETTE article. If engine does not start, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
scientia non olet · About LEMON Manuals