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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1081 (Body Control System) >> Diagnostic Information and Procedures >> DTC B0008: In Park Switch Circuit High >> Conditions for Clearing the DTC

Conditions for Clearing the DTC

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
DTC B0008

Step Action Yes No
Schematic Reference: Body Control System Schematics 
1 Preform the Diagnostic System Check for the system exhibiting the symptom. Refer to Control Module References .
Did you perform the Diagnostic System Check?
Go to Step 2  Go to Control Module References 
2
  1. Install a scan tool.
  2. Place shift lever in the PARK position.
  3. Turn the ignition switch to OFF.
  4. With a scan tool, monitor the following in Body Control Module, Data Display, Inputs:
    • Ignition 1
    • Park/Neutral Switch
Does the scan tool indicate that both inputs are inactive?
Go to Step 3  Go to Step 4 
3
  1. Turn the ignition switch ON, with the engine OFF.
  2. With a scan tool, monitor the following in Body Control Module, Data Display, Inputs:
    • Ignition 1
    • Park/Neutral Switch
Does the scan tool indicate that both inputs are active?
Go to Step 6  Go to Step 8 
4 Probe the Park Neutral Position Switch circuit of the BCM with a test lamp that is connected to a good ground.
Does the test lamp illuminate?
Go to Step 5  Go to Step 6 
5 Repair the short to voltage in the Park Neutral Position Switch circuit.
Did you complete the repair?
Go to Step 8  -
6 Inspect for poor connections at the BCM harness connectors. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 8  Go to Step 7 
7
IMPORTANT: Perform the set up procedure for the BCM.
Replace the BCM. Refer to Body Control Module Replacement .Did you complete the replacement?
Go to Step 8  -
8
  1. Use the scan tool in order to clear 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