Volt L4-1.4L Elect (2011)
Low Tire Pressure Indicator: Technical Service Bulletins
Tire Pressure Monitor - TPM System Message/Service Tips
# 09-03-16-002A: Dealership Service Consultant Procedure as Vehicle Comes into Service Drive for Tire Pressure Monitor (TPM) System
Message, Light and Customer Information - (Apr 27, 2010)
Dealership Service Consultant Procedure as Vehicle Comes into Service Drive for Tire Pressure Monitor (TPM) System Message, Light and Customer
2006-2011 Cars and Light Duty Trucks (Including Saturn and Saab)
2006-2010 HUMMER H2, H3
The information found in this bulletin is to be used as a dealership service consultant procedures for customers coming into the service lane with an
illuminated "low tire light" or comments on a check tire pressure/low tire pressure/add air to tire or service tire monitor system message. Maintaining
proper tire pressures is an Owner's Maintenance item and is not covered under warranty.
This bulletin is being revised to add model years and update additional bulletin reference information. Please discard Corporate Bulletin Number
09-03-16-002 (Section 03 -- Suspension).
Customer Concerns and Confusion with the Tire Pressure Monitoring (TPM) System
The following procedure should be used by dealership service consultants when a customer comes into the service drive with a "low tire light" on or
comments on a check tire pressure/low tire pressure/add air to tire or service tire monitor system message. The service consultant should perform the
Turn the key to ON, without starting the engine.
^ If the low tire light comes on and stays on solid with a check tire pressure/low tire pressure/add air to tire message (on vehicles equipped with DIC),
advise the customer:
The system is working properly.
Properly adjusting all tire air pressures to the recommended levels and driving the vehicle will turn the light off (refer to the Tire and Loading
Information label on the driver side door).
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".
^ If the Tire Pressure Monitor (TPM) light blinks for one minute then stays on solid with a service tire monitor system message (on vehicles equipped
A TPM system problem exists. The vehicle should be written up accordingly and sent to your service department for further DTC diagnosis and
If dashes (--) are displayed in only one or two of the tire pressure readouts, it is likely caused by a previous TPM system relearn that was
performed incorrectly due to interference from another vehicle's TPM system during the relearn process (refer to the Important statement later in
this bulletin regarding TPM relearn with a Tech 2(R)).
If dashes (--) are displayed in all four of the tire pressure readouts, there is a system problem. Follow the appropriate SI service procedures.
^ If a customer indicates the low tire light comes on for a few minutes when the vehicle is started, then goes off after driving a while, advise the
The system is working properly.
Most likely, air pressure in one or more of the tires is low enough to turn the light on when tires are cold. After driving for a while, tires will heat