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Test Description

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

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

  1. 2:  Tests the speedometer operation. Speedometer malfunctions must be diagnosed and corrected first.
DTC B0516

Step Action Value(s) Yes No
Schematic Reference:  Instrument Cluster Schematics  
1 Did you perform the IPC Diagnostic System Check? - Go to Step 2  Go to Diagnostic System Check - Instrument Cluster 
2 
  1. Turn the ignition OFF.
  2. Raise the drive wheels. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Start and idle the engine
  4. Idle the engine in gear.
  5. Does the vehicle speedometer indicate a vehicle speed?
 - Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3 Test the VSS circuit for an open, short to voltage, or short to ground. 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 IPC. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 6  Go to Step 5 
5 Replace the IPC. Refer to Instrument Panel Cluster (IPC) 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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