DTC 013

DTC 013

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis Strategy Based Diagnosis for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptor
DTC 013
- Level Control Sensor Circuit

Circuit/System Description

The automatic level control sensor monitors the body to suspension height and detects when it is out of range.

Conditions for Running the DTC

The ignition is ON.

Conditions for Setting the DTC

When the automatic level control sensor detects body to suspension height is out of range, 0.5-4.5 volts, for at least 1 second.

Action Taken When the DTC Sets

* Leveling functions are disabled.
* The accessory inflator function continues to operate.

Conditions for Clearing the DTC

The conditions that caused the DTC to set have been removed.

Diagnostic Aids

* This DTC is set when ride height is physically being held out of range.
* This DTC can set when the sensor link is damaged or detached.

Reference Information
Schematic Reference

Automatic Level Control Schematics Electrical Diagrams
Connector End View Reference

Component Connector End Views
Description and Operation

Automatic Level Control Description and Operation Description and Operation
Electrical Information Reference

* Circuit Testing Circuit Testing
* Connector Repairs Connector Repairs
* Testing for Intermittent Conditions and Poor Connections Testing for Intermittent Conditions and Poor Connections
* Wiring Repairs Wiring Repairs

Scan Tool Reference

Control Module References Control Module References for scan tool information

Circuit/System Verification

1. Verify that the DTC sets within the Conditions for Running and Setting. Inspect the automatic level control sensor link for damage or being disconnected.
2. Perform the automatic level control sensor replacement procedure.
3. Operate the vehicle within the conditions that the customer experienced and verify the DTC does not reset.

Repair Instructions

Perform the Diagnostic Repair Verification Verification Tests 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 Control Module References for automatic level control sensor replacement, setup, and programming
* Automatic Level Control Sensor Link Replacement Automatic Level Control Sensor Link Replacement