GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Park Avenue 🢒 Suspension 🢒 Tire Pressure Monitoring 🢒 Tire Pressure Monitoring System Diagnosis

Tire Pressure Monitoring System Diagnosis Message Always On

Step

Action

Value(s)

Yes

No

1

Was the entire TPM System Diagnostic System Check performed?

--

Go to Step 2

Go to Diagnostic System Check - Tire Pressure Monitoring

2

Perform the Tire Pressure Monitoring System Reset. Refer to Tire Pressure Monitor System Circuit Description .

Does the instrument cluster display TIRE PRESSURE LOW: CHECK TIRES?

--

Go to Step 3

Go to Diagnostic System Check - Tire Pressure Monitoring

3
  1. Install a scan tool.
  2. Turn ON the ignition leaving the engine OFF.
  3. Observe the Low Tire Pressure parameter in the ABS/TCS data list using the scan tool.

Does the scan tool display Off?

--

Go to Step 4

Go to Step 5

4

Replace the EBCM/EBTCM. Refer to Electronic Brake Control Module Replacement in Antilock Brake System.

Is the repair complete?

--

Go to Diagnostic System Check - Tire Pressure Monitoring

--

5

Replace the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.

Is the repair complete?

--

Go to Diagnostic System Check - Tire Pressure Monitoring

--

Tire Pressure Monitoring System Diagnosis Message Inoperative

Step

Action

Value(s)

Yes

No

1

Was the entire Tire Pressure Monitoring System Diagnostic System Check performed?

--

Go to Step 2

Go to Diagnostic System Check - Tire Pressure Monitoring

2

Perform the Tire Pressure Monitoring System Reset. Refer to Tire Pressure Monitor System Circuit Description .

Does the instrument cluster display TIRE PRESSURE RESET?

--

Go to Step 3

Go to Tire Pressure Monitor System Circuit Description

3
  1. Lower the tire pressure of one tire by 103 kPa (15 psi).
  2. Install a scan tool.
  3. Drive vehicle for 15 minutes on a smooth, straight, paved road at a constant speed above 9 km/h (15 mph).
  4. Observe the Low Tire Pressure parameter in the ABS/TCS data list using the scan tool.

Does the scan tool display Off?

--

Go to Step 5

Go to Step 4

4

Replace the EBCM/EBTCM. Refer to Electronic Brake Control Module Replacement in Antilock Brake System.

Is the repair complete?

--

Go to Diagnostic System Check - Tire Pressure Monitoring

--

5

Replace the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.

Is the repair complete?

--

Go to Diagnostic System Check - Tire Pressure Monitoring

--