GMC Workshop Manuals
Savana 3500 V8-4.8L (2009)
Maintenance > Service Reminder Indicators > Low Tire Pressure Indicator > Component Information > Technical Service Bulletins > Tire Pressure Monitor - TPM System Message/Service Tips > Page 1394
up, allowing tire air pressure to increase above the threshold causing the light to go off. Properly adjusting all tire air pressures to the
More detailed information can be found in the Owner Manual.
Service is not covered under warranty - this maintenance is the responsibility of the owner.
Give the customer a copy of the "GM Customer TPMS Information".
For more detailed information, refer to Corporate Bulletin Number 07-03-16-004C and TPMS Training Course 13044.12T2.
Tire Pressure Light
At key on, without starting the vehicle:
Steady Solid Glowing TPM Indicator
If the TPM indicator appears as a steady glowing yellow lamp (as above), the system is functioning properly and you should add air to the tires to correct
Blinking TPM Indicator
If the TPM indicator appears as a BLINKING yellow lamp for one minute and then stays on solid, diagnostic service is needed.
The Effect of Outside Temperature on Tire Pressures
As a rule of thumb, tire pressure will change about 7kPa (1 psi) for every 6°C (10°F) decrease in temperature - Tire pressure will drop when it gets
Under certain situations such as extreme outside temperature changes, the system may bring on a solid light with a check tire pressure message. This
^ Use an accurate, high quality tire pressure gauge.
^ Never set the tire pressure below the specified placard value regardless of tire temperature or ambient temperature.
^ Tire pressure should be set to the specified placard pressure at the lowest seasonal temperature the vehicle will encounter during operation.
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