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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1180 (Variable Effort Steering System) >> Diagnostic Information and Procedures >> DTC C1241: Variable Effort Steering Malfunction >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

  1. Tests if the Commanded and Feedback current parameters are at the specified value in there active state.
  2. Tests if the resistance of the VES actuator is in the specified range.
  3. Tests the High Effort Control circuit for an open or short to voltage.
  4. Tests the Low Effort Control circuit for a short to ground.
  5. Tests for poor connections at the VES actuator harness connector.
  6. Perform the setup procedure after EBCM replacement.
Fig 1: Diagnostic System Check - DTC C1241 (Steps 1-4)
G01419303Courtesy of GENERAL MOTORS CORP.
Fig 2: Diagnostic System Check - DTC C1241 (Steps 5-12)
G01419304Courtesy of GENERAL MOTORS CORP.
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