C0742 - DTC C0742 - Understanding the Steering Angle Sensor Code for 2015-2020 Ford F-150 and Other Models

Quick Answer

C0742 means: C0742 indicates a malfunctioning steering angle sensor.

Fix: Check and replace faulty components Cost: $150 - $300 Time: 90-180 minutes

Can I drive with C0742? Address immediately to ensure vehicle safety.

Common Questions

What does C0742 mean and how does it affect my car?

The C0742 code signifies that there is a problem with your vehicle's steering angle sensor, which is crucial for systems like traction control. If this sensor fails, your vehicle may not handle as expected, especially during slippery conditions, which can lead to safety risks.

What are the most common causes of C0742 and how much does it cost to fix?

The leading cause of C0742 is a faulty steering angle sensor, which can cost between $150 and $300 to replace. Other causes include wiring issues and calibration errors, with repair costs varying based on the specific problem.

Can I drive my car with C0742 or should I stop immediately?

While you might be able to drive your car, it is not advisable to ignore the C0742 code. Driving with a malfunctioning steering angle sensor can compromise your vehicle's handling and safety. It’s best to have it inspected as soon as possible.

How can I diagnose C0742 myself using GeekOBD APP?

Using the GeekOBD APP, start by scanning for diagnostic trouble codes. Once you find C0742, check the freeze frame data to understand vehicle conditions at the time of the code. Follow with visual inspections of the steering angle sensor and related wiring.

What vehicles are most commonly affected by C0742?

C0742 is frequently reported in models like the 2015-2020 Ford F-150, Nissan Altima (2013-2017), and Chevrolet Silverado (2014-2019). Owners of these models should be aware of potential recalls or technical service bulletins related to the steering angle sensor.

How can I prevent C0742 from happening again?

To prevent C0742 from reoccurring, regularly inspect the steering system and wiring for damage, keep your vehicle's software updated, and ensure proper recalibration after any related repairs.

What is C0742?

The C0742 diagnostic trouble code indicates a problem with the steering angle sensor, which is crucial for various vehicle systems, including stability control and traction control. When this code is triggered, it usually means that the sensor's signal is out of range or there is a malfunction in the sensor itself. In simpler terms, your vehicle is having trouble determining the position of the steering wheel. This can lead to potential handling issues, especially in slippery conditions where stability is key. For vehicles like the 2015-2020 Ford F-150, this code can result in the traction control light illuminating on the dashboard, and you may notice that the steering feels less responsive or more difficult to control. In addition, ignoring this code could lead to more severe problems, such as compromised safety systems that rely on accurate steering data. It's essential to address this code promptly to ensure your vehicle operates safely and efficiently.

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

Symptoms

Common symptoms when C0742 is present:

The check engine light or traction control light stays illuminated, indicating potential stability issues.
Drivers may experience steering responsiveness that feels off, such as a delayed response when turning the wheel.
Fuel economy may decrease noticeably, particularly if the vehicle is compensating for stability issues.
Unusual noises might occur when turning the steering wheel, like grinding or clunking sounds.
The steering wheel may be misaligned, causing the vehicle to drift to one side while driving.

Possible Causes

Most common causes of C0742 (ordered by frequency):

{'cause': 'Faulty steering angle sensor (70% likelihood) - The most common issue, where the sensor itself fails to provide accurate readings.', 'details': 'This can happen due to wear and tear or exposure to moisture.'}
{'cause': 'Wiring issues (15% likelihood) - Damaged or corroded wiring connected to the sensor can disrupt signal transmission.', 'details': 'Check for frayed wires or loose connections.'}
{'cause': 'Calibration errors (10% likelihood) - Sometimes, the steering angle sensor needs recalibration after a battery disconnect or steering component replacement.', 'details': 'Use a diagnostic tool, like the GeekOBD APP, for recalibration.'}
{'cause': 'Steering rack issues (3% likelihood) - Although rare, a problem with the steering rack could affect the sensor’s performance.', 'details': 'Inspect for any mechanical failures in the steering system.'}
{'cause': 'Software issues (2% likelihood) - Outdated or corrupted vehicle software can lead to sensor miscommunication.', 'details': 'Check for software updates from the manufacturer.'}

C0742 Repair Costs

Cost Breakdown by Repair Type

Steering Angle Sensor Replacement

Replacing a faulty steering angle sensor with an OEM part.

Total: $150 - $300
Success rate: 95%

Wiring Repairs

Fixing damaged wiring or connections related to the steering angle sensor.

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

Money-Saving Tips for C0742

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 C0742 Diagnosis Process

Follow these systematic steps to accurately diagnose C0742. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes)

Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes).