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HOMESERVICE MANUALSCHEVROLET2018TAHOE FL, 4WD, GASREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASDRIVER ASSISTANCE SYSTEMSDIAGNOSTIC INFORMATION AND PROCEDURESDTC B290B, B290C, B290D, OR B290E: STEERING COLUMN FRICTION CONTROL MODULE/COLUMN FRICTION DEVICE CIRCUITSCIRCUIT/SYSTEM VERIFICATION
2018 Chevrolet Tahoe FL, 4WD, Gas

Circuit/System Verification

2018 Chevrolet Tahoe FL, 4WD, GasSECTION Circuit/System Verification
  1. Ignition - On/Vehicle - In Service Mode
  2. Verify DTC B290B 49 is not set.
    • If the DTC is set 
    1. Program the control module: K60 Steering Column Lock Module
    2. Ignition - On/Vehicle - In Service Mode
    3. Verify DTC B290B 49 is not set. If the DTC is set
      • If the DTC is set

        Replace the appropriate component: K187 Steering Column Friction Control Module

      • Go to next step: If the DTC is not set
    4. All OK.
    • Go to next step: If the DTC is not set 
  3. Verify no other DTCs are set.
    • If any other DTCs are set

      Refer to: Circuit/System Testing

    • Go to next step: If no other DTCs are set
  4. All OK.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.