GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Trans Sport (Export) 🢒 Body and Accessories 🢒 Body Control System 🢒 Diagnostic System Check - Body Control System

Test Description

The number(s) below refer to the step number(s) on the diagnostic table.

  1. Tests if the BCM can enter the On-Board Diagnostic Mode. Refer to On-Board Diagnostic Features .

  2. The presence of DTCs stored in the BCM. The specified procedure will compile all the available information before tests are performed.

Step

Action

Yes

No

Schematic Reference: Body Control System Schematics

1

Enter the BCM Diagnostic Mode. Refer to On-Board Diagnostic Features .

Does the BCM enter the Diagnostic Display mode?

Go to Step 2

Go to Body Control Module Inoperative

2

Select display BCM DTCs. Refer to On-Board Diagnostic Features .

Does the BCM display any DTCs?

Go to Diagnostic Trouble Code (DTC) List/Type

Go to the Applicable Symptom Table