LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2004 >> Regal GS >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays, Gauges And Console >> Diagnostic Information and Procedures >> DTC B0608: Power Moding Error >> Test Description

Test Description

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

  1. 5:  Test the entire ignition voltage circuit, which includes the ignition switch and the fuses.
  2. 6:  Test the entire crank voltage circuit, which includes the ignition switch and the fuse.
  3. 7:  Test the entire ignition 1 voltage circuit, which includes the ignition switch and the fuse.
DTC B0608

Step Action Value(s) Yes No
Schematic Reference:  Instrument Cluster Schematics  
1 Did you perform the Instrument Cluster Diagnostic System Check? - Go to Step 2  Go to Diagnostic System Check - Instrument Cluster 
2
  1. Install a scan tool.
  2. Turn the ignition ON.
  3. With a scan tool, observe the Ignition 1 and the Ignition 0 parameters in the IPC Data list.
Does the scan tool display Active for both parameters?		 - Go to Step 3  Go to Step 5 
3
  1. Turn ON the ignition, with the engine OFF.
  2. With a scan tool, observe the Crank parameter in the IPC Data list.
Does the scan tool display Inactive?		 - Go to Step 4  Go to Step 6 
4
  1. Turn the ignition switch to accessory.
  2. With a scan tool, observe the Ignition 1 parameter in the IPC data list.
Does the scan tool display Inactive?		 - Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 7 
5  Test the inactive ignition voltage circuit for an open, a high resistance, or a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 10  Go to Step 8 
6  Test the crank voltage circuit of the IPC for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 10  Go to Step 8 
7  Test the ignition 1 voltage circuit for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 10  Go to Step 8 
8 Inspect for poor connections at the harness connector of the IPC. 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 10  Go to Step 9 
9 Replace the IPC. Refer to Instrument Panel Cluster (IPC) Replacement .
Did you complete the replacement?		 - Go to Step 10  -
10
  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
scientia non olet · About LEMON Manuals