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Home >> Suzuki >> 2009 >> XL7 Limited, AWD >> Repair and Diagnosis >> Transmission >> Automatic Transmission >> Diagnostic Information and Procedures >> DTC P0815, P0816, or P0826: Switch Circuit >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON, transmission shift lever in L (M), observe the scan tool Driver Shift Request parameter. The reading should display None.
  2. Observe the scan tool Driver Shift Request parameter while pressing the tap-up and tap-down switch. The reading should change between Upshift and Downshift.
  3. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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