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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 846 (POWER STEERING SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC C0000TEST DESCRIPTION
1999 GMC Forward Control 5.7 R, Automatic

Test Description

1999 GMC Forward Control 5.7 R, AutomaticSECTION Test Description
WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. 2:  tests for the presence of vehicle speed related DTCs in the control modules where the vehicle speed message originates.
DTC C0000

Step Action Yes No
Schematic Reference: Power Steering System Schematics 
Connector End View Reference: Power Steering System Connector End Views 
1 Did you perform the Power Steering System Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Power Steering System 
2 
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With the scan tool, select the Engine, or Transmission Diagnostic Trouble Codes (DTC) function in Powertrain.
Does the scan tool indicate the presents of any ECM, or TCM DTCs?		 Go to Diagnostic Trouble Code (DTC) List/Type in Automatic Transaxle AF33-5, or to DIAGNOSTIC TROUBLE CODE DEFINITIONS in Diagnosis - VT25-E, or to Diagnostic Trouble Code (DTC) List/Type in Manual Transmission Go to Step 3 
3
  1. Use the scan tool in order to clear the EPS 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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  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.