C0805 - DTC C0805 - Understanding and Resolving the Code in 2010-2015 Chevrolet Equinox and GMC Terrain

Quick Answer

C0805 means: DTC C0805 signifies a problem with the steering angle sensor or its communication.

Fix: Check and replace faulty components Cost: $150 - $350 Time: 90-180 minutes

Can I drive with C0805? Immediate attention is recommended to ensure safety and vehicle performance.

Common Questions

What does C0805 mean and how does it affect my car?

C0805 indicates a problem with your vehicle's steering angle sensor, which is crucial for stabilizing your car's handling. If the sensor fails, it can lead to issues with traction control and stability, especially in slippery conditions. It's essential to address this code promptly to ensure your vehicle remains safe and responsive.

What are the most common causes of C0805 and how much does it cost to fix?

Common causes of C0805 include a faulty steering angle sensor, poor wiring connections, or calibration issues after repairs. The average repair cost ranges from $150 to $350, depending on whether you need to replace the sensor or repair wiring.

Can I drive my car with C0805 or should I stop immediately?

While it's possible to drive with a C0805 code, it's not advisable. The malfunction can affect your car's handling and traction control, especially in adverse conditions. If the warning light is on, it's best to have your vehicle inspected as soon as possible.

How can I diagnose C0805 myself using GeekOBD APP?

To diagnose C0805 using the GeekOBD APP, connect the app to your vehicle's OBD2 port. Use it to read the diagnostic trouble codes and view freeze frame data. Pay attention to any accompanying codes, as they can provide additional context about the issue.

What vehicles are most commonly affected by C0805?

DTC C0805 is often seen in the 2010-2015 Chevrolet Equinox and GMC Terrain. Owners of these models should be particularly vigilant for symptoms related to steering performance, as the issue can significantly affect vehicle handling.

How can I prevent C0805 from happening again?

To prevent C0805 from recurring, ensure regular maintenance checks on the steering system, avoid rough driving conditions that could damage the steering components, and have the sensor calibrated after any steering repairs or replacements.

What is C0805?

DTC C0805 indicates a malfunction in the vehicle’s steering angle sensor or its communication with the control module. This trouble code typically surfaces in models like the 2010-2015 Chevrolet Equinox and GMC Terrain, which utilize advanced electronic steering systems. When this code is triggered, it usually means that the steering angle sensor is either not functioning correctly or is sending erratic signals to the vehicle's computer. In practical terms, you may notice that the stability control system is disabled, which can affect vehicle handling and safety. Ignoring this code could lead to further complications, such as issues with traction control and potential problems navigating slippery roads. Drivers might experience symptoms like a persistent warning light on the dashboard, and in some cases, the vehicle could exhibit a loss of control during sharp turns or sudden maneuvers. Therefore, understanding and addressing DTC C0805 is essential for maintaining optimal vehicle performance and safety.

System: C - Chassis (ABS, Steering, Suspension)

Symptoms

Common symptoms when C0805 is present:

The traction control light on the dashboard remains illuminated, indicating a system malfunction.
Unusual steering behavior, such as excessive play or resistance when turning the steering wheel.
Difficulty in maintaining straight alignment; the vehicle may drift to one side when driving.
Inconsistent readings from the steering wheel position during diagnostic tests, which can lead to handling issues.
The stability control system may be disabled, affecting performance in adverse driving conditions.

Possible Causes

Most common causes of C0805 (ordered by frequency):

{'cause': 'Faulty steering angle sensor', 'likelihood': '60%', 'details': 'The sensor may wear out over time, leading to inaccurate readings and triggering the C0805 code.'}
{'cause': 'Wiring issues or poor connections', 'details': 'Damaged wiring or corroded connectors can disrupt communication between the sensor and the control module.'}
{'cause': 'Calibration issues after steering component replacement', 'prevention': 'Always calibrate the steering angle sensor after servicing or replacing steering components.'}
{'cause': 'Faulty electronic control module (ECM)', 'details': 'Although rare, a malfunctioning ECM could misinterpret the sensor data, triggering the code.'}
{'cause': "Software glitches in the vehicle's control systems", 'details': 'Sometimes, a simple software update can resolve communication problems between components.'}

C0805 Repair Costs

Cost Breakdown by Repair Type

Steering Angle Sensor Replacement

Replacing a faulty steering angle sensor to restore proper functionality.

Total: $150 - $350
Success rate: 85%

Wiring Repair

Repairing damaged wiring or connectors that affect sensor communication.

Total: $100 - $200
Success rate: 90%

Money-Saving Tips for C0805

Start with the most common and least expensive repairs first
Use GeekOBD APP to confirm diagnosis before replacing expensive parts
Consider preventive maintenance to avoid future occurrences
Compare prices for OEM vs aftermarket parts based on your needs
Address the issue promptly to prevent more expensive secondary damage

Diagnostic Steps

Professional C0805 Diagnosis Process

Follow these systematic steps to accurately diagnose C0805. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Check for damaged wiring, loose connections, or signs of corrosion around the steering angle sensor and its connectors (5-10 minutes)

Step 1: Initial visual inspection - Check for damaged wiring, loose connections, or signs of corrosion around the steering angle sensor and its connectors (5-10 minutes).