GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

2

  1. Turn OFF the ignition.
  2. Turn ON the ignition, with the engine OFF.
  3. Observe the low tire pressure indicator on the instrument panel cluster (IPC) during bulb check.

Does the indicator illuminate during bulb check and then turn OFF?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

Inspect the tires for proper inflation pressure and inflate as needed. Refer to Vehicle Certification, Tire Placard, Anti-Theft, and Service Parts ID Label in General Information.

Did you find and correct the condition?

Go to Step 5

Go to Step 4

4

Replace the IPC. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 5

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5

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2