For 1990-2009 cars

### Diagnostic Instructions

• | Perform the Diagnostic System Check - Vehicle prior to using this 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 C0196 00: Replace Yaw Rate Sensor
DTC C0196 5A:: Yaw Rate Sensor Plausibility Error

### Diagnostic Fault Information

Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance
--- | --- | --- | --- | ---
Yaw Rate Supply Voltage Circuit | C0196 00 | C0196 00 | C0196 00 | --
Yaw Rate CAN Bus High Circuit | C0196 00 | C0196 00 | C0196 00 | C0196 5A
Yaw Rate CAN Bus Low Circuit | C0196 00 | C0196 00 | C0196 00 | C0196 5A
Yaw Rate Ground Circuit | -- | C0196 00 | -- | --

### Circuit/System Description

The lateral accelerometer and the yaw rate sensors are combined into one sensor external to the electronic brake control module (EBCM). The electronic stability program (ESP) uses the lateral accelerometer input when calculating the desired yaw rate.

### Conditions for Running the DTC

• | The ignition is ON.

• | Ignition voltage is greater than 8 volts.

### Conditions for Setting the DTC

• | The yaw/lateral combination sensor fails an internal self test.

• | Communication is lost between the EBCM and the yaw/lateral combination sensor.

### Action Taken When the DTC Sets

• | The EBCM disables the Traction Control System (TCS)/Electronic Stability Control (ESP)/Electronic Brake Distribution (EBD) for the duration of the ignition cycle.

• | The multi function display (MFD) displays the Traction Ctrl Off message.

• | The multi function display (MFD) displays the Stability Ctrl Off message.

### Conditions for Clearing the DTC

• | The condition for setting the DTC is no longer present.

• | The EBCM automatically clears the history DTC when a current DTC is not detected in 100 consecutive drive cycles.

• | The DTC can be cleared using a scan tool.

### Reference Information

#### Schematic Reference

Antilock Brake 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

Control Module References

### Circuit/System Verification

With scan tool installed, clear the DTCs then drive the vehicle in a straight line at a speed greater than 20 km/h (13 mph). If the DTC did not set as a current DTC see diagnostic aids.

### Circuit/System Testing

1. Ignition OFF, disconnect the yaw rate/lateral accelerometer connector.
2. Test the yaw rate/lateral sensor reference voltage circuit for a short to voltage, short to ground, an open or high resistance.

⇒ | If the reference voltage circuit did not tests normal, repair the circuit.

3. Test the yaw/lateral sensor ground circuit for an open or high resistance.

⇒ | If the reference ground circuit did not tests normal, repair the circuit.

4. Ignition ON, test the yaw/lateral sensor reference voltage circuit for 5 volts, and the ground circuit for an open or high resistance.

⇒ | If the yaw/later 5 volt reference and ground circuits test normal replace the yaw/lateral sensor.

⇒ | If the yaw/later 5 volt reference and ground circuits did not test normal replace the EBCM.

### Repair Instructions

• | Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

• | Vehicle Yaw Sensor with Vehicle Lateral Accelerometer Replacement

• | Control Module References for EBCM replacement, setup, and programming