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Circuit/System Verification

  1. Verify that DTC B1517 is current.
  2. Ignition ON. Measure and record the voltage at the battery terminals. Verify that the battery voltage is 11-16 volts. Repeat with the engine running.
  3. Observe the scan tool BCM battery positive voltage parameter. The scan tool data should not differ from the recorded battery voltage by more than 2 volts.
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