GM Service Manual Online
For 1990-2009 cars only

Circuit Description

The internal fault detection is handled by the Driver Information Display (DID).

Conditions for Running the DTC

The DID monitors the analog input value once every ignition cycle at power up.

Conditions for Setting the DTC

When the DID does not detect the compass sensor. This may be due to a faulty sensor that is not connected to the DID.

Action Taken When the DTC Sets

The DTC will be set and stored in non-volatile memory.

Conditions for Clearing the DTC

    • The DTC will become history when a power cycle has been performed and the fault is not detected by the DID.
    • A history DTC will clear after 100 fault free ignition cycles.
    • A scan tool may be used to clear the DTC.

Diagnostic Aids

If this DTC is retrieved as both a Current and History DTC, replace the DID.

Step

Action

Value(s)

Yes

No

1

Did you perform the driver information display diagnostic system check?

--

Go to Step 2

Go to Diagnostic System Check - Driver Information Systems

2

Inspect connection at DID for open or high resistance. Refer to Circuit Testing and Connector Repairs in Wiring Systems.

Did you find and repair the condition?

--

Go to Step 4

Go to Step 3

3

Important: Perform the set up procedure for the replacement DID.

Replace the DID. Refer to Driver Information Center Replacement .

Did you complete the replacement?

--

Go to Step 4

--

4

  1. Use the scan tool in order to clear the DTCs.
  2. 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