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Home >> Cadillac >> 2015 >> XTS Base >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Object Detection System And Pedestrian Protection System >> Diagnostic Information and Procedures >> DTC B172E or B172F: Driver Seat Cushion Rear Haptic Alert Motor Control Circuit >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON.
  2. Verify the P45LR Seat Haptic Movement Motor - Driver Left Rear turns on and off when commanding the Driver Seat Cushion Left Rear Haptic Movement On and Off with a scan tool.
    • If the motor does not function 

      Refer to Circuit/System Testing.

    • If the motor functions 
  3. Verify the P45RR Seat Haptic Movement Motor - Driver Right Rear turns on and off when commanding the Driver Seat Cushion Right Rear Haptic Movement On and Off with a scan tool.
    • If the motor does not function 

      Refer to Circuit/System Testing.

    • If the motor functions 
  4. All OK.
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