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Automatic Level Control



DTC C0895

Circuit Description

Voltage is supplied to the automatic level control (ALC) sensor in the battery positive voltage circuit and the ignition voltage circuit. The ALC sensor monitors the supplied voltage to determine if it is within a valid operating range.

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC C0895 Device Voltage

This vehicle has DTCs which include DTC Symptoms. For more information on DTC Symptoms, refer to DTC Symptom Description.





Conditions for Running the DTC

The ignition is ON.

Conditions for Setting the DTC

The DTC is set when the battery voltage is outside the normal range of 9-15.5 volts.

Action Taken When the DTC Sets

Disable all functionality

Conditions for Clearing the MIL/DTC

* The scan tool can be used to clear the DTC.
* The DTC is saved as history when the ALC sensor no longer sees battery voltage outside the normal range of 9-15.5 volts. The DTC will clear if the fault does not return after 50 consecutive ignition cycles.

Diagnostic Aids

DTC C0895 may set when the vehicle is placed on a battery charger, on fast charge, for a long period of time. It may also be set by an intermittent charging system malfunction.

Test Description

The numbers below refer to the step numbers on the diagnostic table.
1. This test determines whether the malfunction is in the supply voltage or the ALC sensor.
2. This step checks for high resistance, a short to ground, or an open in the battery positive voltage circuit.

Step 1 - Step 7: