• | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
• | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
• | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
The automatic level control sensor monitors the exhaust valve on time when the vehicle is lowering and is limited to 255 seconds.
The ignition is ON.
This DTC is set when the automatic level control sensor detects the exhaust valve has been on for 255 seconds and the automatic level control sensor did not detect the calibrated downward movement.
The automatic level control sensor disables the leveling functions.
• | The conditions that caused the DTC to set have been removed. |
• | The ignition switch has been cycled from OFF to ON. |
An air line or exhaust valve blockage in the system will cause this DTC to set.
Automatic Level Control Schematics
Automatic Level Control Description and Operation
Control Module References for scan tool information
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Important: System untested code will continue to flash until Self test has been completed after the automatic level control sensor replacement.
• | Control Module References for automatic level control sensor replacement, setup, and programming. |