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Home >> Chevrolet >> 2001 >> Camaro Base, 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (Steering Column Switches) >> Diagnostic Tests >> DTC B2852: Telescoping Column In Switch Shorted To Ground >> Diagnostic Procedure

Diagnostic Procedure

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 DLC. Turn ignition on. Monitor column forward switch status. If column switch status is ACTIVE, go to next step. If column switch status is not ACTIVE, go to step  6 .
  2. Disconnect steering column telescoping actuator switch connector. Monitor column switch status. If column switch status is ACTIVE, go to next step. If column switch status is not ACTIVE, go to step  4 .
  3. Check for short to ground in Pink wire between telescoping actuator switch and SCM 16-pin connector C1. If problem is found, repair as necessary and go to step  8 . If circuit is okay, go to step  5 .
  4. Replace telescoping actuator switch. See TELESCOPE ACTUATOR SWITCH  under REMOVAL & INSTALLATION. After repairs, go to step  8 .
  5. Replace SCM. See REMOVAL & INSTALLATION in POWER SEATS - CORVETTE article. After repairs, go to step  8 .
  6. Check column forward switch circuit (Pink wire) for intermittent malfunction. See WIRING DIAGRAMS  . If problem is found, repair as necessary and go to step  8 . If circuits are okay, go to next step.
  7. Turn ignition off. Reconnect all disconnected components. Turn ignition on. Using scan tool, clear DTCs. Wait 20 seconds. If DTC B2852 sets as history code, go to step  3 . If DTC B2852 does not set, system is okay at this time.
  8. Turn ignition off. Reconnect all disconnected components. Turn ignition on. Using scan tool, clear DTCs. Operate steering column to verify repair.
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