GM Service Manual Online
For 1990-2009 cars only

Speedometer and/or Odometer Inoperative 98k

Step

Action

Value(s)

Yes

No

1

Was the Instrument Cluster System Check performed?

--

Go to Step 2

Go to Instrument Cluster System Check

2

  1. Start engine.
  2. Connect Scan Tool.
  3. Select IPC Data Menu.

Is the Vehicle Speed reading on the Scan Tool the same as the indicated Vehicle Speed on the Speedometer?

--

Go to Engine Controls

Go to Step 3

3

Replace the Instrument Panel Cluster (IPC). Refer to Instrument Panel Cluster (IPC) Replacement.

Is the Instrument Panel Cluster (IPC) replacement complete?

--

Go to Instrument Cluster System Check

--