LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 251 (Object Detection System - Park Assist System) >> Diagnostic Information and Procedures >> Parking Assist System Malfunction >> Circuit/System Testing >> Parking Assist Switch Indicator Circuit Malfunction
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Parking Assist Switch Indicator Circuit Malfunction

WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, the X1 harness connector at the S48E Multifunction Switch Module - Center Console.
  2. Ignition ON, test for greater than 11 V between the ignition circuit terminal 3 X1 and ground.
    • If less than the specified value, test the ignition circuit for a short to ground or an open/high resistance.
  3. Command the Park Assist Switch LED output control ON with the scan tool. Test for greater than 11 V between the ignition circuit terminal 3 X1 and the signal circuit terminal 6 X1.
    • If less than the specified value, test the signal circuit for an open/high resistance. If all circuits test normal, replace the K41 Parking Assist Control Module.
  4. Command the Park Assist Switch LED output control OFF with the scan tool. Test for less than 0.3 V between the ignition circuit terminal 3 X1 and the signal circuit terminal 6 X1.
    • If greater than the specified value, test the signal circuit for a short to ground. If all circuits test normal, replace the K41 Parking Assist Control Module.
  5. If all circuits test normal, replace the S48E Multifunction Switch Module - Center Console.
scientia non olet · About LEMON Manuals