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Home >> Chevrolet >> 2025 >> Trax LS >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Displays And Gauges >> Diagnostic Information and Procedures >> Speedometer and/or Odometer Malfunction >> Circuit/System Testing

Circuit/System Testing

NOTE:
  • Circuit/System Verification must be performed before proceeding with Circuit/System Testing.
  • If there are multiple modules not original to the vehicle and are not new correctly configured service parts, SPS may not be able to properly read or recover the vehicle odometer value. Follow government rules and documentation (including vehicle identification) regarding inaccurate/unknown odometer values.

Instrument Cluster is Showing "----" (Dashes) 

Correcting VIN mismatch - odometer is still Locked.

  1. Verify the vehicle odometer status with a scan tool. The reading should be Locked.
    • If the reading is Unlocked 

      Refer to correcting VIN mismatch - odometer Unlocked.

    • Go to next step: If the reading is Locked 
  2. Using the scan tool, verify the BCM VIN matches the vehicle VIN placard.
    • If the VIN does not match 

      Reprogram the BCM, then proceed to Step 3.

    • Go to next step: If the VIN matches 
  3. Using the scan tool, verify the instrument cluster VIN matches the vehicle VIN placard.
    • If the VIN does not match 

      Reprogram the A11 Radio. Then proceed with step 4.

    • Go to next step: If the VIN matches 
  4. Ignition ON, verify the instrument cluster is displaying the correct value.
    • Go to next step: If the instrument cluster is still displaying "----" (dashes) 

      Go to next step: Replace the A11 Radio.

Instrument Cluster is Showing "----" (Dashes) 

Correcting VIN mismatch - odometer is Unlocked.

  1. Verify the vehicle odometer status with a scan tool. The reading should be Locked.
    • If the reading is Locked 

      Refer to Correcting VIN mismatch - odometer Locked.

    • Go to next step: If the reading is Unlocked 
  2. Using the scan tool, verify the instrument cluster VIN matches the vehicle's VIN placard.
    • If the VIN does not match 

      Reprogram the A11 Radio. Then proceed with step 3.

    • Go to next step: If the VIN matches 
  3. Perform the BCM setup procedure in SPS.
  4. Ignition ON, verify the instrument cluster is displaying the correct value.
    • If the instrument cluster is still displaying "----" (dashes) 

      Replace the A11 Radio.

    • Go to next step: If instrument cluster is displaying the correct value 
  5. All OK.