GM Service Manual Online
For 1990-2009 cars only

Circuit Description

TPMS Receiver Module receives the vehicle speed signal from the transmission control module (TCM) and also receives the information of the tire inflation pressure from the transmitters and the transmitter’s condition. With this information, the TPMS decides if warning lamp indication is needed or not.

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC C0750, C0755, C0760, or C0765 TPMS Transmitter Battery Voltage Too Low

Conditions for Running the DTC

Vehicle speed is above 32 km/h (20 mph).

Conditions for Setting the DTC

TPMS transmitter battery voltage too low

Action Taken When the DTC Sets

TPMS warning lamp blinks for 75 seconds.

Conditions for Clearing the DTC

The conditions that set the DTC are no longer present, the DTC can be cleared by scan tool.

Step

Action

Yes

No

Schematic Reference: Tire Pressure Monitoring System Schematics

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

  1. Replace the TPMS Trasmitter.
  2. Perform the TPS ID Registration procedure. Refer to Tire Pressure Monitor System Configuration.

Is the repair complete?

Go to Step 3

--

3

  1. Clear the DTCs with the scan tool.
  2. Operate the vehicle within the condition for running and setting the DTC.

Does the DTC reset?

Go to Step 2

System OK