U0385 - Communication Error with the Steering Angle Sensor in 2015-2020 Ford Models

Quick Answer

U0385 means: U0385 indicates a communication error between the PCM and the steering angle sensor.

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

Can I drive with U0385? Immediate diagnostic and repair recommended to ensure safety.

Common Questions

What does U0385 mean and how does it affect my car?

The U0385 code indicates a communication failure between your vehicle's PCM and the steering angle sensor. This can lead to compromised vehicle control, especially in slippery conditions, making it crucial to address. You might notice symptoms like the check engine light being on and potential handling issues.

What are the most common causes of U0385 and how much does it cost to fix?

Common causes include damaged wiring (60% likelihood), faulty steering angle sensors, and software glitches. Repair costs can range from $150 for wiring fixes to $600 for sensor replacement, depending on the specific issue.

Can I drive my car with U0385 or should I stop immediately?

It's advisable to avoid driving your vehicle until the issue is diagnosed and repaired. Driving with a U0385 code can lead to compromised steering and stability, posing a safety risk.

How can I diagnose U0385 myself using GeekOBD APP?

Using the GeekOBD APP, connect to your vehicle’s OBD2 port, scan for codes, and access freeze frame data to understand the context of the U0385 code. Pay attention to any additional codes that might provide further insight into the issue.

What vehicles are most commonly affected by U0385?

Commonly affected vehicles include 2015-2020 Ford F-150 and Ford Explorer models. It's important to also check for any recalls or technical service bulletins (TSBs) related to this issue, as they may provide additional guidance.

How can I prevent U0385 from happening again?

Regular vehicle maintenance, including checking and securing wiring connections and keeping the steering system properly lubricated, can help prevent issues that lead to the U0385 code. Additionally, keeping your vehicle’s software up-to-date is crucial.

What is U0385?

DTC U0385 refers to a communication issue between the vehicle’s powertrain control module (PCM) and the steering angle sensor module. This problem is commonly experienced in various Ford models including the Ford F-150 (2015-2020) and Ford Explorer (2016-2020). The steering angle sensor is crucial for systems such as electronic stability control (ESC) and anti-lock braking systems (ABS), which help maintain vehicle control during challenging driving conditions. When the PCM cannot communicate effectively with the steering angle sensor, it may lead to symptoms such as the illumination of the check engine light and potentially affect the performance of the vehicle’s stability control features. The error can arise from wiring issues, faulty sensors, or software glitches, resulting in a loss of critical safety features. Car owners should take this code seriously, as neglecting it could lead to reduced handling and increased risk of accidents. Immediate attention can help prevent further complications and ensure the vehicle's safety systems function properly.

System: U - Network (Communication, CAN Bus)

Symptoms

Common symptoms when U0385 is present:

  • The check engine light stays on constantly, indicating a fault that requires attention.
  • The vehicle may exhibit erratic steering behavior, making it difficult to handle, especially during turns.
  • You might notice the electronic stability control light activating intermittently, suggesting a malfunction in the system.
  • Increased difficulty in maneuverability at low speeds, which can affect parking and tight turns.
  • Possible unusual noises from the steering system, which could indicate underlying issues.

Possible Causes

Most common causes of U0385 (ordered by frequency):

  1. The most common cause of U0385 is damaged wiring or poor connections between the steering angle sensor and the PCM, with a likelihood of about 60%.
  2. Another frequent cause is a faulty steering angle sensor, which may need replacement. This sensor plays a key role in providing feedback to the PCM.
  3. Software glitches or outdated firmware in the PCM can also trigger this code. Regular updates to the vehicle’s software can help prevent this issue.
  4. Less commonly, physical damage to the steering column or sensor due to accidents can lead to this error.
  5. In rare situations, a malfunctioning PCM itself may be the culprit, requiring extensive diagnostics and potentially costly repairs.

U0385 Repair Costs

Cost Breakdown by Repair Type

Wiring Repair or Replacement

Repair or replace damaged wiring and connectors to restore communication.

  • Total: $150 - $400
  • Success rate: 85%
Steering Angle Sensor Replacement

Replace the faulty steering angle sensor to resolve communication issues.

  • Total: $200 - $600
  • Success rate: 90%
PCM Software Update

Update the PCM software to fix any glitches causing communication errors.

  • Total: $100 - $200
  • Success rate: 75%
Money-Saving Tips for U0385
  • 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 U0385 Diagnosis Process

Follow these systematic steps to accurately diagnose U0385. 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 in the sensor area (5-10 minutes)

Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion in the sensor area (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 to test the voltage and continuity of the steering angle sensor and related wiring (20-30 minutes)

Step 3: Component testing - Use a multimeter to test the voltage and continuity of the steering angle sensor and related 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 - Confirm the operation of the steering angle sensor and clear codes to see if they return (10-15 minutes)

Step 4: System function test - Confirm the operation of the steering angle sensor and clear codes to see if they return (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 the repair success and monitor for any recurring issues (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under various conditions to confirm the repair success and monitor for any recurring issues (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 2018 Ford F-150

Vehicle: 2018 Ford F-150, Mileage: 45,000

Problem: Customer reported the check engine light was on and experienced difficulty in steering.

Diagnosis: After running the GeekOBD APP scan, the U0385 code was confirmed. A visual inspection revealed damaged wiring near the steering column.

Solution: Repaired the damaged wiring and replaced the steering angle sensor.

Cost: $550 (Parts: $300 for sensor, $250 for wiring repair)

Result: The check engine light was cleared, and the steering was restored to normal operation.

Case Study 2: Wiring Repair for U0385 Code in 2019 Ford Explorer

Vehicle: 2019 Ford Explorer, Mileage: 30,000

Problem: Customer noticed the stability control light was on and the steering felt erratic.

Diagnosis: Diagnostic testing indicated U0385. Inspection revealed loose connections in the wiring harness.

Solution: Secured the connections and replaced any damaged wiring.

Cost: $200 (Parts: $50 for connectors, $150 for labor)

Result: Stability control system function was restored and the vehicle performed normally.

Diagnose U0385

Use GeekOBD APP for professional diagnosis!

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Code Information

Code: U0385
System: Network (Communication, CAN Bus)
Severity: HIGH
Category: Network Codes