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Home >> Cadillac >> 2003 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 573 (Door System, Mirror System & Window System) >> Diagnostic Information and Procedures >> DTC B2202, B2203, B2204, B2205, B2206, B2207, B2208: Short To Ground On A Window Switch Signal Circuit >> Test Description
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Test Description

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

  1. Tests for the normal state of the window switch using a scan tool. The scan tool will display the normal state as Inactive, and Active when the switch is activated.
  2. Tests if the DDM or PDM is able to detect a change in window switch state. The scan tool will display the normal state as Inactive, and Active when the switch is activated.
  3. Tests for a stuck or shorted window switch. If the window switch is stuck or shorted, the state will change from Active to Inactive when the window switch is disconnected.
  4. Tests for a short to ground in the window switch signal circuit.
Fig 1: DTC B2202-B2208
G01451084Courtesy of GENERAL MOTORS CORP.
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