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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1479 (Entertainment System) >> Diagnostic Information and Procedures >> DTC B2815 >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

The number below Refer to the step number on the diagnostic table.

  1. 2:  This step verifies that the steering wheel convenience switch is stuck. The convenience switches operate in the 123-247 count range. The value given is the normal condition that exists when no switch is activated.
DTC B2815

Step Action Value(s) Yes No
Schematic Reference: Radio/Audio System Schematics 
1 Did you perform the Diagnostic System Check - Entertainment System? - Go to Step 2  Go to Diagnostic System Check - Entertainment System 
2 
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, observe the Steering Wheel Controls parameter in the TBC data list.
Does the Steering Wheel Controls parameter indicate the specified range?		 0-7 Counts Go to Diagnostic Aids Go to Step 3 
3 Replace the steering wheel control switch. Refer to STEERING WHEEL CONTROL SWITCH ASSEMBLY in Steering Wheel and Column.
Did you complete the replacement?		 - Go to Step 4  -
4
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?		 - Go to Step 2  System OK
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