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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 211 (Suspension Control System - Suspension Leveling) >> Diagnostic Information and Procedures >> DTC 033 >> Test Description

Test Description

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. 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. 2:  This step tests for something mechanical that is not allowing the vehicle to lower.
  2. 3:  This step verifies the automatic level control sensor connector to have a good connection.
DTC 033

Step Action Yes No
Schematic Reference: Automatic Level Control Suspension Schematics 
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
  1. Check all air lines and exhaust valves 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 automatic level control 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 codes will continue to flash until a self test has been completed after automatic level control sensor replacement.
Replace the automatic level control 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