GM Service Manual Online
For 1990-2009 cars only

The Tire Pressure Monitoring System (TPMS) is to monitor the tire inflation pressure and gives the information of tire inflation pressure to the driver by showing the warning light on the instrument panel. The Tire Pressure Monitoring System (TPMS) consists of four wheel-mounted tire pressure sensor unit (TPMS transmitter), a receiver and a warning light. The wheel-mounted sensor unit is an assembly consisting of the pressure sensor, related electronics, and power source. The tire valve stem is integrated into the assembly. Refer to Tire Pressure Monitoring System Component Views .

Warning Lamp

Temperature

Tire Pressure

Tire Size

14 Inch

15 Inch

Standard Pressure

216 Kpa (31 psi)

230 Kpa (33 psi)

Warning Lamp ON

-40°C -- 0°C

182.95 Kpa (26.5 psi) or less

193.95 Kpa (28.1 psi) or less

Warning Lamp OFF

-40°C -- 0°C

199.45 Kpa (28.9 psi) or more

210.45 Kpa (30.5 psi) or more

Warning Lamp ON

0°C -- 50°C

171.95 Kpa (24.9 psi) or less

182.95 Kpa (26.5 psi) or less

Warning Lamp OFF

0°C -- 50°C

188.45 Kpa (27.3 psi) or more

199.45 Kpa (28.9 psi) or more

Warning Lamp ON

50°C -- 85°C

182.95 Kpa (26.5 psi) or less

193.95 Kpa (28.1 psi) or less

Warning Lamp OFF

50°C -- 85°C

199.45 Kpa (28.9 psi) or more

210.45 Kpa (30.5 psi) or more