U013C - Lost Communication with the Steering Angle Sensor Module (Common in 2015-2018 Ford F-150)

Quick Answer

U013C means: U013C signifies a communication failure with the steering angle sensor module, affecting vehicle stability.

Fix: Check and replace faulty components Cost: $150 - $400 Time: 90-180 minutes

Can I drive with U013C? Immediate attention is recommended to ensure driving safety.

Common Questions

What does U013C mean and how does it affect my car?

U013C indicates that your vehicle's ECM cannot communicate with the steering angle sensor, which is crucial for stability control and safety systems. If this issue persists, it can lead to serious handling problems and increase the risk of accidents.

What are the most common causes of U013C and how much does it cost to fix?

Common causes include a faulty steering angle sensor (costing $150-$400), damaged wiring (around $100-$250), or software issues requiring ECU reprogramming ($75-$150). It's essential to address these issues promptly to maintain vehicle safety.

Can I drive my car with U013C or should I stop immediately?

It's not safe to drive your vehicle with a U013C code. The loss of communication can affect vehicle handling and stability, so it's recommended to address the issue as soon as possible.

How can I diagnose U013C myself using GeekOBD APP?

To diagnose U013C with GeekOBD APP, connect the OBD2 scanner, access the codes, and look for U013C. Check freeze frame data for additional context. Consider inspecting the steering angle sensor and wiring for visible issues.

What vehicles are most commonly affected by U013C?

Vehicles like the 2015-2018 Ford F-150 and other models from Ford, Chevrolet, and Dodge are commonly affected by U013C. Always check for recalls or technical service bulletins related to the steering angle sensor.

How can I prevent U013C from happening again?

Regular vehicle maintenance, including checking the wiring and connections related to the steering angle sensor and keeping software updated, can help prevent the recurrence of U013C.

What is U013C?

The diagnostic trouble code (DTC) U013C indicates a loss of communication with the steering angle sensor module. This module plays a crucial role in vehicle stability and steering control systems, especially in modern vehicles equipped with advanced driver-assistance systems (ADAS). When the engine control module (ECM) detects that it can no longer communicate with the steering angle sensor, it triggers this code. The steering angle sensor provides vital information about the steering wheel position, which is essential for systems like electronic stability control (ESC) and traction control. Without this information, the vehicle may not handle properly, leading to potential safety issues. Drivers may experience symptoms such as a warning light on the dashboard or irregular steering behavior. Moreover, ignoring this code can lead to further complications in the vehicle's steering and safety systems. Timely diagnosis and repair are essential to ensure safe driving conditions.

System: U - Network (Communication, CAN Bus)

Symptoms

Common symptoms when U013C is present:

  • Check engine light or stability control warning light remains illuminated on the dashboard, indicating a possible issue with the steering angle sensor.
  • Steering feels unresponsive or erratic, making it difficult to maintain control, especially during turns or while driving on slippery surfaces.
  • The vehicle may exhibit increased tire wear due to misalignment caused by incorrect steering angle readings.
  • Traction control or stability control systems may become disabled, leading to decreased safety during adverse driving conditions.
  • In some cases, the steering wheel might not return to the center position after a turn, indicating a malfunction in the steering angle sensor.

Possible Causes

Most common causes of U013C (ordered by frequency):

  1. The most common cause is a faulty steering angle sensor, which accounts for approximately 60% of U013C occurrences. This sensor can fail due to wear and tear over time.
  2. Another likely cause is damaged wiring or connectors, which can result in intermittent or complete loss of communication. Inspecting the wiring harness for frays or corrosion can help prevent this.
  3. Software issues in the vehicle's computer system can also trigger U013C. Regular software updates from the manufacturer can mitigate this issue.
  4. Less common, but serious, is a malfunctioning electronic control unit (ECU) that may need replacement if it fails to communicate with other modules.
  5. A rare cause could be an issue with the vehicle's battery or electrical system, where voltage irregularities affect module communication.

U013C Repair Costs

Cost Breakdown by Repair Type

Steering Angle Sensor Replacement

Replacing the faulty steering angle sensor to restore communication and functionality.

  • Total: $150 - $400
  • Success rate: 85%
Wiring Harness Repair

Repairing or replacing damaged wiring to restore proper communication with the steering angle sensor.

  • Total: $100 - $250
  • Success rate: 75%
ECU Reprogramming

Reprogramming the electronic control unit to resolve software-related issues affecting communication.

  • Total: $75 - $150
  • Success rate: 60%
Money-Saving Tips for U013C
  • 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 U013C Diagnosis Process

Follow these systematic steps to accurately diagnose U013C. 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).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 2: Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context (10-15 minutes)

Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 3: Step 3: Component testing - Use a multimeter or specific diagnostic tools to test the steering angle sensor and associated wiring (20-30 minutes)

Step 3: Component testing - Use a multimeter or specific diagnostic tools to test the steering angle sensor and associated wiring (20-30 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 4: Step 4: System function test - Verify proper operation after repairs and clear codes (10-15 minutes)

Step 4: System function test - Verify proper operation after repairs and clear codes (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 5: Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success (15-20 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.

Important Notes

  • Always verify the repair with GeekOBD APP after completing diagnostic steps
  • Clear codes and test drive to ensure the problem is resolved
  • Address underlying causes to prevent code recurrence

Real Repair Case Studies

Case Study 1: Steering Angle Sensor Replacement on 2017 Ford F-150

Vehicle: 2017 Ford F-150, 45,000 miles

Problem: Customer reported stability control light on and difficulty steering.

Diagnosis: Scanned for codes and found U013C along with a faulty steering angle sensor.

Solution: Replaced the steering angle sensor and reprogrammed the ECU.

Cost: $350 (includes parts and labor)

Result: After repair, all systems functioned correctly, and the stability control light was off.

Case Study 2: Wiring Harness Repair on 2016 Chevrolet Silverado

Vehicle: 2016 Chevrolet Silverado, 60,000 miles

Problem: Customer experienced inconsistent steering response and dashboard warning lights.

Diagnosis: Found U013C and traced the issue to damaged wiring in the steering column.

Solution: Repaired the wiring harness and secured all connections.

Cost: $200 (including labor)

Result: Post-repair testing showed normal steering functionality and no warning lights.

Diagnose U013C

Use GeekOBD APP for professional diagnosis!

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  • Professional-grade analysis
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Code Information

Code: U013C
System: Network (Communication, CAN Bus)
Severity: HIGH
Category: Network Codes