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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Shift Lock Control System >> Diagnostic Information and Procedures >> DTC B270A: Park Lock Solenoid Control Circuit >> Diagnostic Fault Information
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Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Fuse B+ 1 1 - -
Control B270A 02, 1 1 2 -
Ground - 1 - -
  1. Transmission shift lever will not move from PARK with the brake pedal applied.
  2. Transmission shift lever will move from PARK without the brake pedal applied.
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