GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Instrument Cluster Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

2

  1. Connect a scan tool.
  2. While observing the status of the English/Metric, FEIC Reset, and Mode switch status, press each switch.

Does the status change states?

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Go to Diagnostic System Check - Instrument Cluster

Go to Step 3

3

Using a DMM, test terminal 2 circuit 1550 (BLK) for an open to G203.

Is circuit 1550 open?

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Go to Step 4

Go to Step 5

4

Repair open or loose terminal in circuit 1550 (BLK).

Did you complete the repair and test the system?

--

Go to Diagnostic System Check - Instrument Cluster

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5

Replace the DIC switch assembly.

Did you complete the repair and test the system?

--

Go to Diagnostic System Check - Instrument Cluster

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