GM Service Manual Online
For 1990-2009 cars only

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF, Transmission in Neutral or Park, and Brake Unapplied

Engine RPM

TPM

RPM

Varies

Tire Pressure Sensor ID Code 1

TPM

ID Number

Varies

Tire Pressure Sensor ID Code 2

TPM

ID Number

Varies

Tire Pressure Sensor ID Code 3

TPM

ID Number

Varies

Tire Pressure Sensor ID Code 4

TPM

ID Number

Varies

Tire Pressure Sensor 1

TPM

°C

Varies

Tire Pressure Sensor 1

TPM

psi

Varies

Tire Pressure Sensor 1 Battery Status

TPM

Normal/Low

Normal

Tire Pressure Sensor 2

TPM

°C

Varies

Tire Pressure Sensor 2

TPM

psi

Varies

Tire Pressure Sensor 2 Battery Status

TPM

Normal/Low

Normal

Tire Pressure Sensor 3

TPM

°C

Varies

Tire Pressure Sensor 3

TPM

psi

Varies

Tire Pressure Sensor 3 Battery Status

TPM

Normal/Low

Normal

Tire Pressure Sensor 4

TPM

°C

Varies

Tire Pressure Sensor 4

TPM

psi

Varies

Tire Pressure Sensor 4 Battery Status

TPM

Normal/Low

Normal

Tire Set Select Switch

TPM

Main Set/Second Set

Main Set

TPM System Enabled

TPM

Yes/No

Yes

Vehicle Speed

TPM

mph/km/h

Varies