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Home >> GMC >> 2017 >> Canyon SL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 38 (Shift Lock Control System) >> Diagnostic Information and Procedures >> DTC B270A: Park Lock Solenoid Control Circuit Short (With T4Z) >> Component Testing

Component Testing

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  1. Install a 10 A fused jumper wire between the control terminal 4 and 12 V. Momentarily install a jumper wire between the ground terminal 2 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