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Antilock Brake System




DTC C0710

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis Strategy Based Diagnosis for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptor
DTC C0710 00
- Steering Position Signal Malfunction

DTC C0710 09
- Steering Position Signal Too Fast Transitions

DTC C0710 0A
- Steering Position Signal Too Slow Transitions

DTC C0710 11
- Steering Position Signal High Input

DTC C0710 18
- Steering Position Signal Low Signal Amplitude

DTC C0710 19
- Steering Position Signal High Signal Amplitude

DTC C0710 4B
- Steering Position Signal Calibration Not Learned

Diagnostic Fault Information






Circuit/System Description

The steering wheel angle sensor receives ignition voltage from the electronic brake control module. The electronic brake control module receives serial data message inputs from the steering wheel angle sensor identifying the position and direction of the steering wheel rotation. The electronic brake control module utilizes this signal to calculate the driver intended driving direction.

Conditions for Running the DTC

* Vehicle ON.
* Vehicle speed is greater than 15 km/h (10 mph).

Conditions for Setting the DTC

C0710 00 or C0710 11
* The steering wheel angle sensor fails internally.
* The steering wheel alignment may be out of the specified range.
* The steering wheel angle sensor may not be properly mounted.

C0710 09

The steering wheel angle sensor detects an error of 30° or more.

C0710 0A

The steering wheel angle sensor signal does not vary.

C0710 18

The steering wheel angle sensor signal has a low amplitude signal.

C0710 19

The steering wheel angle sensor signal has a high amplitude signal or greater value than physically possible.

C0710 4B

The steering wheel angle sensor is not calibrated or learned.

Action Taken When the DTC Sets

* The traction control/stability control-active indicator turns ON.
* The electronic brake control module disables the traction control and the vehicle stability control for the duration of the ignition cycle.

Conditions for Clearing the DTC

* In order for the DTC to clear the electronic stability control system must be initialized. Perform the steps listed below to initialize the system:

1. Vehicle OFF, open the driver door and remove all keyless entry transmitters from the vehicle and secure in a place outside the vehicle.
2. Close the driver door and let the vehicle sit for 3 minutes.
3. Vehicle ON, leave the vehicle in Park for greater than 10 seconds.
4. Drive the vehicle in a straight line at a speed greater than 32 km/h (20 mph) for 30 seconds.

* The condition for setting the DTC is no longer present.
* The history DTC will clear after 40 consecutive fault-free drive cycles have occurred.

Diagnostic Aids

* Confirm that all tires are of the proper size and that all are matching brands. Check and adjust all tires to the stated cold air pressure as identified on the tire placard. If a mis-sized or non-matching brand tire is present, inform the customer that in order for the vehicle stability enhanced system to function normally, tires need to be a uniform size and rolling diameter.
* The car should not pull in either direction causing the steering wheel to be off center while driving in a straight line on a level surface.
* Improperly mounted or loose sensor.

Reference Information
Schematic Reference

Antilock Brake System Schematics [1][2]Antilock Brakes / Traction Control Systems
Connector End View Reference

Component Connector End Views Hybrid/EV Battery Pack X1
Description and Operation

ABS Description and Operation Description and Operation
Electrical Information Reference

* Circuit Testing Circuit Testing
* Connector Repairs Connector Repairs
* Testing for Intermittent Conditions and Poor Connections Testing for Intermittent Conditions and Poor Connections
* Wiring Repairs Wiring Repairs

Scan Tool Reference

Control Module References Programming and Relearning for scan tool information

Circuit/System Verification

1. Vehicle in Service Mode.
2. Verify none of the DTCs listed below are set:

* DTC U0125
* DTC U0126
* DTC C0035
* DTC C0040
* DTC C0045
* DTC C0050

• If any of the DTCs are set
Refer to Diagnostic Trouble Code (DTC) List - Vehicle Diagnostic Trouble Code (DTC) List - Vehicle.

• If none of the DTCs are set

3. Verify that DTC C0186, C0196, or C0287 is not set.

• If any of the DTCs are set
Refer to DTC C0186, C0196, or C0287 C0186.

• If none of the DTCs are set

4. Verify that DTC C0710 4B is not set.

• If DTC C0710 4B is set
Perform the Steering Angle Sensor Centering Procedures procedure.

• If DTC C0710 4B is not set

5. Verify the B99 steering wheel angle sensor is installed correctly.

• If loose or incorrect installation
Correct the installation of the component.

• If installed correctly

6. Refer to Circuit/System Testing.

Circuit/System Testing

1. Vehicle OFF and all vehicle systems OFF, disconnect the harness connector at the B99 steering wheel angle sensor. It may take up to 2 minutes for all vehicle systems to power down.
2. Test for less than 10 ohm between the ground circuit terminal 6 and ground.

• If 10 ohm or greater

1. Vehicle OFF.
2. Test for less than 2 ohm in the ground circuit end to end.

• If 2 ohm or greater, repair the open/high resistance in the circuit.
• If less than 2 ohm, repair the open/high resistance in the ground connection.

• If less than 10 ohm

3. Vehicle in Service Mode.
4. Verify a test lamp illuminates between the ignition circuit terminal 5 and ground.

• If the test lamp does not illuminate

1. Vehicle OFF, disconnect the harness connector at the K17 electronic brake control module.
2. Test for infinite resistance between the ignition circuit and ground.

• If less than infinite resistance, repair the short to ground on the circuit.

• If infinite resistance

3. Test for less than 2 ohm in the ignition circuit end to end.

• If 2 ohm or greater, repair the open/high resistance in the circuit.
• If less than 2 ohm, replace the K17 electronic brake control module.

• If the test lamp illuminates

5. Replace the B99 steering wheel angle sensor.
6. Verify that DTC C0710 does not set while operating the vehicle under the Conditions for Running the DTC.

• If the DTC sets
Replace the K17 electronic brake control module.

• If the DTC does not set

7. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification Verification Tests after completing the repair.

* Steering Angle Sensor Replacement Removal and Replacement
* Control Module References Programming and Relearning for electronic brake control module replacement, programming and setup

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