GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Diagnostic System Check -Tire Pressure Monitor performed?

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Go to Step 2

Go to Diagnostic System Check - Tire Pressure Monitoring

2

  1. Turn the ignition switch to RUN.
  2. Observe LOW TIRE indicator in the instrument panel.

Does the indicator turn on for approximately 3 seconds and then turn off?

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System OK

Go to Step 3

3

Replace the I/P Cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.

Did you complete the replacement?

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Go to Step 4

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4

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to DTC C1245 Low Tire Pressure Detected