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HOMESERVICE MANUALSCHEVROLET2025EQUINOX RS, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASDRIVER ASSISTANCE SYSTEMSDIAGNOSTIC INFORMATION AND PROCEDURESDTC U3000 (B218 SIDE OBSTACLE DETECTION CONTROL MODULE)CIRCUIT/SYSTEM TESTING
2025 Chevrolet Equinox RS, 4WD

Circuit/System Testing

2025 Chevrolet Equinox RS, 4WDSECTION Circuit/System Testing

DTC U3000 with failure type byte 00, 41, 42, or 49 

  1. Verify that the DTC is not set with FTB 00, 41, 42, or 49.
    • If the DTC is set 

      Replace the B218 Side Obstacle Detection Control Module that is setting the DTC.

    • Go to next step: If the DTC is not set 
  2. All OK.

DTC U3000 4B 

  1. Verify that the ambient temperature around the module is less than 85°C (185°F).
    • If the ambient temperature is above 85°C (185°F) 
    1. Allow the area around the control module to cool below 85°C (185°F).
    2. Clear the DTC. Operate the vehicle under the conditions for running the DTC.
    3. Verify the DTC does not reset.
    • If the DTC resets, replace the B218 Side Obstacle Detection Control Module.
    • Go to next step: If the DTC does not reset

      Go to next step: All OK.

    • Go to next step: If the ambient temperature is below 85°C (185°F) 
  2. Clear the DTC. Operate the vehicle under the conditions for running the DTC.
  3. Verify the DTC does not reset.
    • If the DTC resets, replace the B218 Side Obstacle Detection Control Module.
    • Go to next step: If the DTC does not reset
  4. All OK.

DTC U3000 51, DTC U3000 54, DTC U3000 56 or U3000 57 

  1. Ignition ON.
  2. Verify that DTC U3000 51, U3000 54, DTC U3000 56 or U3000 57 is not set.
    • If the DTC is set 
    1. Program the B218 Side Obstacle Detection Control Module.
    2. Verify the DTC does not reset.
      • If the DTC resets, replace the B218 Side Obstacle Detection Control Module.
      • Go to next step: If the DTC does not reset
    3. All OK.
    • Go to next step: If the DTC is not set 
  3. All OK.

DTC U300 78 or U3000 97 

  1. Ignition ON.
  2. Verify DTC U3000 78 or U3000 97 is not set.
    • If the DTC is set 
    1. Verify that the radar module is properly and securely mounted in position.
    2. Verify there is no object or debris blocking the radar sensor such as dirt, mud, snow, or salt. Clean as necessary.
    3. Inspect the module harness for signs of physical damage or corrosion. Repair or replace as necessary.
    4. Perform the B218 Side Obstacle Detection Control Module Correction Angle Reset.
    5. Operate the vehicle under the conditions for running the DTC.
    6. Verify the DTC does not reset.
      • If the DTC resets, replace the B218 Side Obstacle Detection Control Module.
      • Go to next step: If the DTC does not reset
    7. All OK.
    • Go to next step: If the DTC is not set 
  3. All OK.
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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.