Quick Answer
P0568 means: P0568 indicates high voltage in the cruise control system.
Can I drive with P0568? Address this issue soon to avoid safety risks and further damage.
Common Questions
What does P0568 mean and how does it affect my car?
P0568 indicates that there's a high voltage in your cruise control system, which can lead to malfunctioning cruise control and impact your overall driving experience. If ignored, it could result in unsafe driving conditions.
What are the most common causes of P0568 and how much does it cost to fix?
Common causes of P0568 include a faulty cruise control module and damaged wiring. Repair costs can range from $150 for wiring repairs to $400 for module replacement.
Can I drive my car with P0568 or should I stop immediately?
While you can technically drive with this code, it's advisable to address it soon to avoid safety risks. Cruise control may not work as intended, leading to inconsistent speed management.
How can I diagnose P0568 myself using GeekOBD APP?
To diagnose P0568, download the GeekOBD APP, connect it to your vehicle's OBD port, and retrieve the code along with freeze frame data to analyze the issue effectively.
What vehicles are most commonly affected by P0568?
P0568 is frequently seen in models like the 2007-2014 Ford F-150, but it can also affect other Ford models and vehicles with similar cruise control systems.
How can I prevent P0568 from happening again?
To prevent P0568, regularly check and maintain your vehicle's wiring and connectors, ensure proper functioning of the cruise control system, and address any electrical issues promptly.
What is P0568?
The P0568 diagnostic trouble code (DTC) indicates that the cruise control system voltage is higher than expected. This code is often triggered when the Engine Control Module (ECM) detects an abnormal voltage level from the cruise control module. In practical terms, this means that the cruise control feature may not function correctly, potentially impacting your driving experience. For many car owners, particularly those with vehicles like the 2007-2014 Ford F-150, this code can manifest as an unresponsive cruise control system or erratic behavior while using cruise control, leading to frustration during long drives. The cruise control system relies on stable voltage levels to operate effectively; deviations can result from wiring issues, faulty connectors, or problems within the cruise control module itself. Ignoring the P0568 code can lead to further complications, including increased wear on your vehicle's components and reduced fuel efficiency due to inconsistent speed management. It’s important to address this issue promptly to ensure safe driving and to maintain the performance of your vehicle.
System: P - Powertrain (Engine, Transmission, Emissions)
Symptoms
Common symptoms when P0568 is present:
- The check engine light may illuminate, indicating an underlying issue with the cruise control system.
- The cruise control system may become unresponsive, leaving you unable to maintain a steady speed without manually accelerating.
- You might notice erratic speed changes while the cruise control is engaged, causing potential safety concerns during highway driving.
- In some cases, the vehicle may experience a drop in fuel economy due to inconsistent speed management.
- There may be a noticeable delay in acceleration when attempting to resume speed after using the cruise control.
Possible Causes
Most common causes of P0568 (ordered by frequency):
- The most common cause is a faulty cruise control module, which has a likelihood of about 60%. This module may fail due to internal short circuits or wear over time.
- Another common cause is damaged wiring or corroded connectors, which can disrupt the electrical flow to the cruise control system.
- Issues with the vehicle's throttle position sensor may also trigger this code, as this sensor plays a crucial role in maintaining speed in cruise control mode.
- Less common but serious causes include a failing ECM that misreads voltage levels, which can lead to multiple DTCs appearing.
- A rare cause might be a short circuit in the cruise control wiring harness, which could pose a significant risk if not addressed.
P0568 Repair Costs
Cost Breakdown by Repair Type
Cruise Control Module Replacement
Replacing the faulty cruise control module with an OEM part.
- Total: $200 - $400
- Success rate: 85%
Wiring Repair
Repair or replacement of damaged wiring and connectors.
- Total: $150 - $250
- Success rate: 75%
Money-Saving Tips for P0568
- 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 P0568 Diagnosis Process
Follow these systematic steps to accurately diagnose P0568. Each step builds on the previous one to ensure accurate diagnosis.
Step 1: Step 1: Begin with an initial visual inspection of the wiring and connectors associated with the cruise control system to identify any obvious damage (5-10 minutes)
Step 1: Begin with an initial visual inspection of the wiring and connectors associated with the cruise control system to identify any obvious damage (5-10 minutes).
Step 2: Step 2: Use the GeekOBD APP to perform an OBD2 scan, retrieving all codes and freeze frame data, which helps to understand the context of the fault (10-15 minutes)
Step 2: Use the GeekOBD APP to perform an OBD2 scan, retrieving all codes and freeze frame data, which helps to understand the context of the fault (10-15 minutes).
Step 3: Step 3: Conduct component testing with a multimeter or appropriate diagnostic tools to check the voltage levels and functionality of the cruise control module (20-30 minutes)
Step 3: Conduct component testing with a multimeter or appropriate diagnostic tools to check the voltage levels and functionality of the cruise control module (20-30 minutes).
Step 4: Step 4: After repairs, perform a system function test to verify that the cruise control operates correctly and clear any codes from the computer (10-15 minutes)
Step 4: After repairs, perform a system function test to verify that the cruise control operates correctly and clear any codes from the computer (10-15 minutes).
Step 5: Step 5: Finally, take the vehicle for a road test under various conditions to confirm that the repair has resolved the issue (15-20 minutes)
Step 5: Finally, take the vehicle for a road test under various conditions to confirm that the repair has resolved the issue (15-20 minutes).
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: 2009 Ford F-150 Cruise Control Malfunction
Vehicle: 2009 Ford F-150, 85,000 miles
Problem: Customer reported unresponsive cruise control and check engine light illuminated.
Diagnosis: Used GeekOBD APP to scan for codes, found P0568. Inspected wiring and connectors, found corrosion.
Solution: Replaced corroded connectors and cruise control module.
Cost: $350 (Module: $250, Labor: $100)
Result: Customer reported successful repair and cruise control functioning properly.
Case Study 2: 2012 Ford Escape Cruise Control Error
Vehicle: 2012 Ford Escape, 60,000 miles
Problem: Customer experienced erratic speed changes while using cruise control.
Diagnosis: Scanned vehicle with GeekOBD APP, confirmed P0568. Conducted wiring inspection, identified damaged wiring.
Solution: Repaired damaged wiring and cleared codes.
Cost: $200 (Wiring Repair: $150, Labor: $50)
Result: Cruise control functions normally after repair.