For 1990-2009 cars

### Diagnostic Instructions

• | Perform the Diagnostic System Check - Vehicle prior to using the diagnostic procedure.

• | Review Strategy Based Diagnosis for an overview of the diagnostic approach.

• | Diagnostic Procedure Instructions provides an overview of each diagnostic category.

### DTC Descriptors

DTC C0750: Left Front TPMS Transmitter Battery Voltage Too Low
DTC C0755: Right Front TPMS Transmitter Battery Voltage Too Low
DTC C0760: Left Rear TPMS Transmitter Battery Voltage Too Low
DTC C0765: Right Rear TPMS Transmitter Battery Voltage Too Low

### Circuit/System 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 condition. With this information, the TPMS decides that the warning lamp indication is needed or not.

### Conditions for Running the DTC

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

### Conditions for Setting the DTC

TPMS transmitter battery voltage is 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.

### Reference Information

#### Schematic Reference

Tire Pressure Monitoring System Schematics

#### Connector End View Reference

Component Connector End Views

#### Electrical Information Reference

• | Circuit Testing

• | Connector Repairs

• | Testing for Intermittent Conditions and Poor Connections

• | Wiring Repairs

#### Scan Tool Reference

Scan Tool Data List

### Circuit/System Testing

1. Replace the TPMS Trasmitter.
2. Perform the TPS ID Registration procedure.

### Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.