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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1130 (Suspension Control System - Suspension Leveling) >> Diagnostic Information and Procedures >> DTC 033 >> Test Description

Test Description

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. 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 for something mechanical that is not allowing the vehicle to lower.
  2. 3:  Verifies the height connector to have a good connection.
DTC 033

Step Action Yes No
Schematic Reference: Automatic Level Control Suspension Schematics  
1 Did you perform the Automatic Level Control Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Automatic Level Control (With Inflator) 
  1. Check all air lines and exhaust solenoid valve for airflow blockage.
  2. Check both rear shock absorbers for binding.
Did you find and correct the condition?
Go to Step 5  Go to Step 3 
Inspect for poor connections at the harness connector of the height sensor. Refer to Testing for Intermittent Conditions and Poor Connections and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 5  Go to Step 4 
4
IMPORTANT: System untested code will continue to flash until self test has been completed after sensor replacement.
Replace the height sensor. Refer to Automatic Level Control Sensor Replacement .Did you complete the replacement?
Go to Step 5  -
5 Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?
Go to Step 2  System OK