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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 377 (Shift Lock Control System) >> Diagnostic Information and Procedures >> Transmission Control Lever Malfunction >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2013 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Dynamic Test

  1. Install a 10 A fused jumper wire between the control terminal 4 X1 and 12 V. Momentarily install a jumper wire between the ground terminal 2 X1 and ground.
  2. Verify the solenoid turns on & off/clicks, etc.
    • If the solenoid does not turn on & off/clicks, etc. 

      Replace the S3 transmission shift lever.

    • If the solenoid does turn on & off/clicks, etc. 
  3. All OK
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