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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> DTC B2961 >> Conditions for Clearing the DTC

Conditions for Clearing the DTC

DTC B2961

Step Action Yes No
Schematic Reference: Audible Warnings Schematics 
Connector End View Reference: Data Communication Connector End Views
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With the scan tool, observe the Key in Ignition parameter in the body control module (BCM) data list.
Does the Key in Ignition parameter display Yes?
Go to Step 3  Go to Step 4 
3
  1. Turn ON the ignition, with the engine OFF.
  2. Observe the Ignition 1 parameter in the instrument panel cluster (IPC) data list.
  3. Turn the ignition OFF.
Does the Ignition 1 parameter display On with the ignition off?
Go to Step 8  Go to Step 7 
4 Test the key in ignition signal circuit for an open or a high resistance. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
Go to Step 11  Go to Step 5 
5 Test the ground circuit of the ignition key alarm switch for an open or a high resistance. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
Go to Step 11  Go to Step 6 
6 Inspect for poor connections at the harness connector of the ignition switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 11  Go to Step 9 
7 Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 11  Go to Step 10 
8 Repair the short to voltage in the ignition 1 voltage circuit. Refer to Wiring Repairs .
Did you correct the condition?
Go to Step 11  -
9 Replace the ignition switch. Refer to Ignition and Start Switch Replacement .
Did you complete the replacement?
Go to Step 11  -
10 Replace the BCM. Refer to Control Module References for replacement, setup, and programming.
Did you complete the replacement?
Go to Step 11  -
11
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC.
Does the DTC reset?
Go to Step 2  System OK