C05C3 - Understanding DTC C05C3: Common Issues in 2015-2018 Ford Explorers

Quick Answer

C05C3 means: C05C3 indicates a malfunction in the tire pressure monitoring system (TPMS).

Fix: Check and replace faulty components Cost: $100 - $300 per sensor Time: 90-180 minutes

Can I drive with C05C3? Immediate attention is recommended to ensure safe driving conditions.

Common Questions

What does C05C3 mean and how does it affect my car?

The C05C3 code indicates a malfunction in your tire pressure monitoring system, which is crucial for safe driving. If this code appears, it typically means that one or more of your tire pressure sensors are not functioning correctly. This could lead to incorrect tire pressure readings, which can cause poor handling, reduced fuel efficiency, and ultimately, a safety risk if tires are under-inflated or over-inflated.

What are the most common causes of C05C3 and how much does it cost to fix?

Common causes of C05C3 include faulty tire pressure sensors, which can cost between $100 to $300 each to replace, and malfunctioning TPMS control modules that may range from $200 to $500. Regular maintenance can help prevent these issues and ensure that your TPMS works effectively.

Can I drive my car with C05C3 or should I stop immediately?

While you can technically drive with C05C3, it is not advisable. Ignoring this warning may lead to unsafe driving conditions due to improper tire pressure. It's best to address this issue as soon as possible to avoid potential tire damage or accidents.

How can I diagnose C05C3 myself using GeekOBD APP?

To diagnose the C05C3 code with the GeekOBD APP, start by connecting the app to your vehicle's OBD2 port. Run a scan to retrieve the trouble codes and any related freeze frame data. This will give you a better understanding of when the code was triggered and under what conditions, allowing you to pinpoint the issue more accurately.

What vehicles are most commonly affected by C05C3?

The C05C3 code is frequently seen in the 2015-2018 Ford Explorer, as well as other models from Ford and Lincoln during that time. If you're driving one of these vehicles, be particularly vigilant for TPMS-related issues.

How can I prevent C05C3 from happening again?

To prevent the C05C3 code from recurring, regularly check your tire pressure and ensure that all sensors are functioning properly. Scheduling routine maintenance and sensor calibration can also help keep your TPMS in good working order.

What is C05C3?

The diagnostic trouble code C05C3 indicates a problem related to the tire pressure monitoring system (TPMS) in vehicles such as the 2015-2018 Ford Explorer. This code signifies that the TPMS control module has detected a malfunction in the system, which is critical for maintaining optimal tire pressure and ensuring vehicle safety. Ignoring this code can lead to under-inflated tires, affecting fuel efficiency and handling, and increasing the risk of a tire blowout. A malfunctioning TPMS can also cause the warning light on your dashboard to illuminate, which can be distracting and concerning for drivers. Essentially, the C05C3 code serves as a signal that something is amiss within the TPMS, prompting the need for immediate attention to ensure safe driving conditions and vehicle performance. Addressing this issue promptly is vital for both your safety on the road and the longevity of your vehicle's tires. Regular maintenance, including tire pressure checks and sensor calibration, can help prevent the C05C3 code from appearing and ensure your TPMS operates effectively.

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

Symptoms

Common symptoms when C05C3 is present:

  • The TPMS warning light remains illuminated on your dashboard, indicating a potential tire pressure issue.
  • You may notice uneven tire wear or reduced vehicle stability, especially during cornering or braking.
  • Fuel economy could decrease significantly, as under-inflated tires can increase rolling resistance, leading to a drop of 5-10% in efficiency.
  • You might hear unusual noises while driving, which could be a sign of low tire pressure potentially leading to tire damage.
  • In some cases, there may be an increase in tire vibrations, which can affect overall driving comfort and safety.

Possible Causes

Most common causes of C05C3 (ordered by frequency):

  1. The most common cause of the C05C3 code is a faulty tire pressure sensor, which has about a 60% likelihood. Sensors can wear out over time or fail due to exposure to harsh weather conditions.
  2. Another possible cause is a malfunction in the TPMS control module itself, which might occur due to electrical issues or software glitches. This has a 25% likelihood.
  3. Improper tire inflation due to manual errors or air leaks can also trigger this code. Regular checks can help prevent this issue.
  4. Less common but serious causes include damaged wiring in the TPMS system, which can lead to complete sensor failure.
  5. A rare cause could be a software update requirement for the vehicle's onboard computer system, which may need to be addressed at a dealership.

C05C3 Repair Costs

Cost Breakdown by Repair Type

TPMS Sensor Replacement

Replacing faulty tire pressure sensors with new ones.

  • Total: $100 - $300 per sensor
  • Success rate: 90%
TPMS Control Module Replacement

Replacing the entire TPMS control module if it is malfunctioning.

  • Total: $200 - $500
  • Success rate: 85%
Tire Inspection and Repair

Inspecting tires for leaks and ensuring proper inflation.

  • Total: $50 - $100
  • Success rate: 95%
Money-Saving Tips for C05C3
  • 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 C05C3 Diagnosis Process

Follow these systematic steps to accurately diagnose C05C3. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Conduct an initial visual inspection to look for any obvious signs such as damaged wiring, loose connections, or debris in the tire valve stems (5-10 minutes)

Step 1: Conduct an initial visual inspection to look for any obvious signs such as damaged wiring, loose connections, or debris in the tire valve stems (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: Use the GeekOBD APP to perform an OBD2 scan

Step 2: Use the GeekOBD APP to perform an OBD2 scan. Retrieve all codes and freeze frame data to get context on the C05C3 error (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: Test suspected components with a multimeter to check the functionality of tire pressure sensors and the TPMS module (20-30 minutes)

Step 3: Test suspected components with a multimeter to check the functionality of tire pressure sensors and the TPMS module (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: Verify proper system operation after any repairs by conducting a system function test and clearing the codes (10-15 minutes)

Step 4: Verify proper system operation after any repairs by conducting a system function test and clearing the 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 the vehicle under various conditions to ensure the TPMS is functioning correctly and the C05C3 code does not return (15-20 minutes)

Step 5: Road test the vehicle under various conditions to ensure the TPMS is functioning correctly and the C05C3 code does not return (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: TPMS Sensor Replacement in a 2016 Ford Explorer

Vehicle: 2016 Ford Explorer, 75,000 miles

Problem: Customer reported the TPMS warning light was illuminated and the vehicle displayed a low tire pressure warning.

Diagnosis: After scanning with the GeekOBD APP, the C05C3 code was found. A visual inspection revealed that the front left tire sensor was not responding.

Solution: The faulty TPMS sensor was replaced, and the system was recalibrated to ensure accurate readings.

Cost: $150 for the sensor and labor.

Result: The TPMS light turned off, and the customer reported accurate tire pressure readings thereafter.

Case Study 2: Control Module Replacement in a 2017 Ford Explorer

Vehicle: 2017 Ford Explorer, 60,000 miles

Problem: Customer experienced inconsistent tire pressure readings and frequent TPMS light activation.

Diagnosis: Using the GeekOBD APP, the C05C3 code and additional codes indicated a malfunction in the TPMS control module.

Solution: Replaced the TPMS control module and updated the vehicle’s software.

Cost: $400 including parts and labor.

Result: Post-repair, the TPMS functioned correctly, and the customer was pleased with the resolution.

Diagnose C05C3

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Code Information

Code: C05C3
System: Chassis (ABS, Steering, Suspension)
Severity: HIGH
Category: Chassis Codes