GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the entire Radio/Audio System System Check performed?

--

Go to Step 2

Go to Radio/Audio System Check

2

Insert the Compact Disc (CD) and operate.

Is the CD skipping or mute?

--

Go to Step 3

Go to Step 4

3

Inspect the disc for one of the following conditions:

    • Improper insertion
    • Scratches
    • Dirt
    • Finger prints

Are any of the conditions present?

--

Go to Step 5

Go to Step 6

4

Observe the CD player for the following conditions:

    • ERR is displayed
    • The disc is ejected

Do either of the conditions exist?

--

Go to Step 7

Go to Step 3

5

Clean or replace the disc.

Is the repair complete?

--

Go to Step 13

--

6

Drive the vehicle on a usual route.

Is the road rough (dirt)?

--

Go to Step 8

Go to Step 9

7

Inspect the disc for one of the following conditions:

    • Improper insertion
    • Scratches
    • Dirt
    • Wet

Are any of those conditions present?

--

Go to Step 5

Go to Step 11

8

Drive the vehicle on a good road surface.

Is the symptom still present?

--

Go to Step 10

Go to Step 13

9

Test the player with a known good disc.

Is the symptom still present?

--

Go to Step 10

Go to Step 13

10

Service the radio. Refer to Radio Replacement

Is the repair complete?

--

Go to Step 13

--

11

Inspect the disc for condensation.

Is condensation present?

--

Go to Step 12

Go to Step 10

12

Allow up to an hour in order for the condensation to evaporate.

Is the symptom still present?

--

Go to Step 10

Go to Step 13

13

  1. Turn the ignition switch to the OFF position.
  2. Reconnect all connectors/components removed.

Have all the repairs been made?

--

Go to Radio/Audio System Check

--