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HOMESERVICE MANUALSCHEVROLET2025TAHOE Z71, 6.2L ENG VIN LREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTMEMORY MODULESPROGRAMMING AND SETUP - ALL SYSTEMSREPAIR INSTRUCTIONSB218R SIDE OBSTACLE DETECTION CONTROL MODULE - RIGHT: PROGRAMMING AND SETUPREPLACE AND PROGRAM ECU OR REPROGRAM ECU
2025 Chevrolet Tahoe Z71, 6.2L Eng VIN L

Replace and Program ECU or Reprogram ECU

2025 Chevrolet Tahoe Z71, 6.2L Eng VIN LSECTION Replace and Program ECU or Reprogram ECU

To program a replacement or an existing ECU, perform the following procedure:

NOTE:
  • Due to continuous improvements, the on screen selections may vary from instructions below.
  • Some systems only have one programmable Side Object Sensor Module.
  1. Ignition/Vehicle OFF
  2. Access the Service Programming System (SPS) and follow the on-screen instructions.
  3. On the SPS Supported Controllers screen, select B218 Side Object Sensor Module then select B218R Right Side Object Sensor Module or B218L Left Side Object Detection.
  4. On the SPS Select Function / Sequence screen, select Sequential Programming or Programming
  5. Clear DTCs.
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.