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Home >> Chevrolet >> 2017 >> SS Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Shift Lock Control System) >> Diagnostic Information and Procedures >> DTC B270A: Park Lock Solenoid Actuator Control Circuit Short >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.
  1. Ignition OFF, disconnect the harness connector at the S3 Transmission Shift Lever.
  2. Install a 3 A fused jumper wire between the control terminal 4 and 12 V. Momentarily install a jumper wire between the ground terminal 2 and ground.
  3. Verify the M7 Transmission Shift Lock Control Solenoid Actuator turns on & off/clicks, etc.
    • If the M7 Transmission Shift Lock Control Solenoid Actuator does not turn on & off/clicks, etc 

      Replace the S3 transmission shift lever.

    • If the M7 Transmission Shift Lock Control Solenoid Actuator does turn on & off/clicks, etc 
  4. All OK
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