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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 B0540 >> Conditions for Clearing the DTC

Conditions for Clearing the DTC

DTC B0540

Step Action Yes No
Schematic Reference:  Driver Information System Schematics  
1 Did you perform the Driver Information Center Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Driver Information Systems 
2
  1. Install a scan tool.
  2. Raise the vehicle drive wheels. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Start the engine.
  4. Place the transmission into drive for an automatic transmission or third gear for a manual transmission.
  5. With the scan tool, observe the Vehicle Speed Parameter in the DIC data list.
Does the Vehicle Speed parameter indicate a vehicle speed?		 Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3 Test the vehicle speed signal circuit of the DIC for an open. Refer to Circuit Testing , and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 6  Go to Step 4 
4 Inspect for poor connections at the harness connector of the DIC. 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 6  Go to Step 5 
5 Replace the DIC. Refer to Driver Information Center Replacement .
Did you complete the replacement?		 Go to Step 6  -
6
  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
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