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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1841 (Power Steering System) >> Diagnostic Information and Procedures >> DTC C0900 >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Jump starting the vehicle can cause DTC C0900 to set. If an intermittent malfunction exists, refer to Testing for Intermittent Conditions and Poor Connections for further diagnosis.

DTC C0900

Step Action Values Yes No
Connector End Views Reference: Power Steering 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 a scan tool, observe the Battery Voltage parameter in the engine control module (ECM) data list.
Does the scan tool display greater than the specified value?		 17 V Go to Diagnostic System Check - Vehicle Go to Step 3 
3 Test the ground circuit of the power steering control module (PSCM) for a high resistance. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 - Go to Step 4  Go to Diagnostic Aids
4
  1. Use the scan tool in order to clear the DTC.
  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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