GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Check for a poor connection or an open in circuit 389 between the driver information display harness connector terminal 9 and the Powertrain Control Module (PCM) harness connector C1 terminal 55.

Is there an open or a poor connection?

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Go to Step 2

Go to Step 3

2

Repair the poor connection or the open in circuit 389 between the driver information display harness connector terminal 9 and the Powertrain Control Module (PCM) harness connector C1 terminal 55.

Has the repair been made and the system rechecked?

--

System OK

--

3

Replace the driver information display. Refer to Driver Information Center Replacement .

Has the repair been completed and the system rechecked?

--

System OK

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