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Home >> GMC >> 2001 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays, Gauges And Console >> 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  
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 ON the ignition, with the engine OFF.
  3. With the scan tool, observe the Key In Ignition parameter in the 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 BCM data list.
  3. Turn OFF the ignition.
Does the Ignition 1 parameter display ACTIVE with the ignition OFF?
Go to Step 7  Go to Step 11 
4
  1. Turn OFF the ignition.
  2. Disconnect the BCM connector C2.
  3. Connect a test lamp between the key in ignition signal circuit and battery positive voltage.
  4. Place the key in the ignition.
Does the test lamp illuminate?
Go to Step 8  Go to Step 5 
5 Test the key in ignition signal circuit for an open or a high resistance. Refer to Circuit Testing , and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 12  Go to Step 6 
6 Test the ground circuit of the ignition key alarm switch for an open or a high resistance. Refer to Circuit Testing , and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 12  Go to Step 9 
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 12  Go to Step 11 
8 Inspect for poor connections at the harness connector of the BCM. 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 12  Go to Step 11 
9 Inspect for poor connections at the harness connector of the ignition switch. 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 12  Go to Step 10 
10 Replace the ignition key alarm switch. Refer to:
Did you complete the replacement?
Go to Step 12  -
11
IMPORTANT:

Perform the set up procedure for the replacement BCM.

Replace the BCM. Refer to Body Control Module Replacement in Body Control System.Did you complete the replacement?
Go to Step 12  -
12
  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