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Home >> Chevrolet >> 2001 >> Impala Base, 3.8 K >> Repair and Diagnosis >> External Pages >> Different car >> Section 504 (Lighting Systems) >> Diagnostic Information and Procedures >> DTC B2588: Short To Battery In The Park Lamp Relay Control Circuit >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Oldsmobile Intrigue. 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. 2. Listen for an audible click when the park lamp relay operates. Command both the ON and OFF states. Repeat the commands as necessary.
  2. 3. Verify that the BCM is suppling ground to the park lamp relay. Indicating a short to voltage internal to the park lamp relay.
Fig 1: DTC B2588 Diagnostic Table
G01830508Courtesy of GENERAL MOTORS CORP.
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