Quick Answer

P0563 means: P0563 indicates that the cruise control system is receiving too high of a voltage signal.

Fix: Check and replace faulty components Cost: $150 - $250 Time: 90-180 minutes

Can I drive with P0563? Immediate attention is recommended to prevent potential safety issues.

Common Questions

What does P0563 mean and how does it affect my car?

The P0563 code indicates that the voltage in your vehicle's cruise control system is too high, which can lead to malfunctioning cruise control. This may cause safety issues, such as unexpected acceleration or inability to maintain speed, affecting your driving experience.

What are the most common causes of P0563 and how much does it cost to fix?

Common causes of the P0563 code include faulty cruise control switches, damaged wiring, and ECM issues. Repair costs vary based on the problem, ranging from $100 to $400, depending on whether you need a simple switch replacement or more extensive electrical work.

Can I drive my car with P0563 or should I stop immediately?

While it may be possible to drive your vehicle, it is not advisable to do so with a P0563 code. The cruise control may not function correctly, leading to potentially dangerous situations, especially on the highway.

How can I diagnose P0563 myself using GeekOBD APP?

To diagnose P0563 using GeekOBD APP, connect the app to your vehicle and scan for diagnostic trouble codes. Look for P0563 among the codes retrieved and check the freeze frame data for context. Use the app’s live data feature to monitor voltage levels in real-time.

What vehicles are most commonly affected by P0563?

The P0563 code is frequently seen in vehicles such as the Honda Civic (2015-2018), Toyota Corolla (2014-2019), and Ford Focus (2016-2018). Check for any known recalls or Technical Service Bulletins (TSBs) related to the cruise control system for these models.

How can I prevent P0563 from happening again?

To prevent P0563, regularly inspect your vehicle's electrical connections, keep the cruise control system clean and functional, and perform routine maintenance checks to catch potential issues early.

What is P0563?

The DTC P0563 code indicates that there is an issue with the vehicle's cruise control system, specifically that the voltage detected by the Engine Control Module (ECM) is higher than expected. This code is commonly associated with vehicles like the 2015-2018 Honda Civic, but it can occur in various makes and models. Typically, this code is triggered when the ECM detects a voltage input from the cruise control circuit that exceeds its predefined thresholds, which may indicate a malfunctioning component or a wiring issue. Real-world implications include erratic cruise control behavior, where the system may not engage or disengage properly, leading to potential safety hazards on the road. If not addressed, this issue can lead to further electrical problems, affecting other systems in the vehicle. It's crucial for car owners to understand that while the check engine light might not appear, the cruise control system's reliability can be compromised, making it essential to diagnose and repair the underlying issues promptly.

System: P - Powertrain (Engine, Transmission, Emissions)

Symptoms

Common symptoms when P0563 is present:

  • The cruise control system fails to engage, making it impossible to maintain a constant speed on the highway.
  • The check engine light may illuminate intermittently, indicating a fault in the electrical system.
  • Unstable vehicle speed when cruise control is engaged, leading to erratic acceleration or deceleration.
  • Electrical components in the vehicle may exhibit unusual behavior, such as dashboard lights flickering or malfunctioning.
  • Increased fuel consumption due to inconsistent throttle response while attempting to use cruise control.

Possible Causes

Most common causes of P0563 (ordered by frequency):

  1. The most common cause is a faulty cruise control switch, which is responsible for sending the correct signal to the ECM (60% likelihood).
  2. Another frequent issue is damaged wiring or connectors in the cruise control system that can cause voltage spikes or drops.
  3. A failing ECM may misinterpret voltage levels, leading to erroneous codes being triggered (prevent this by maintaining regular vehicle diagnostics).
  4. Less common but serious causes include a malfunctioning throttle position sensor, which can impact the vehicle's acceleration.
  5. Rarely, software glitches in the vehicle's computer system may trigger false codes, necessitating a software update.

P0563 Repair Costs

Cost Breakdown by Repair Type

Cruise Control Switch Replacement

Replacing the faulty cruise control switch to restore proper function.

  • Total: $150 - $250
  • Success rate: 85%
Wiring Repair

Repairing damaged wiring or connectors in the cruise control circuit.

  • Total: $100 - $200
  • Success rate: 75%
ECM Reprogramming

Reprogramming or updating the ECM software to correct voltage misinterpretation.

  • Total: $200 - $400
  • Success rate: 90%
Money-Saving Tips for P0563
  • 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 P0563 Diagnosis Process

Follow these systematic steps to accurately diagnose P0563. 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 multimeter or specific diagnostic tools to test suspected components like the cruise control switch (20-30 minutes)

Step 3: Component testing - Use multimeter or specific diagnostic tools to test suspected components like the cruise control switch (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: Cruise Control Issue in 2016 Honda Civic

Vehicle: 2016 Honda Civic, 45,000 miles

Problem: Customer reported that the cruise control would not engage.

Diagnosis: After scanning for codes, P0563 was retrieved. A visual inspection revealed a damaged cruise control switch.

Solution: Replaced the cruise control switch and cleared the fault codes.

Cost: $180 (including parts and labor)

Result: Cruise control system was restored to full functionality and the customer reported satisfaction.

Case Study 2: Electrical Short in 2017 Toyota Corolla

Vehicle: 2017 Toyota Corolla, 30,000 miles

Problem: Customer experienced erratic cruise control behavior.

Diagnosis: Diagnosis revealed P0563; further inspection found damaged wiring in the cruise control circuit.

Solution: Repaired the wiring and ensured all connections were secure.

Cost: $150 (including repair materials and labor)

Result: Cruise control operated smoothly post-repair, and the issue did not recur.

Diagnose P0563

Use GeekOBD APP for professional diagnosis!

  • Real-time data monitoring
  • Advanced diagnostic features
  • Step-by-step repair guidance
  • Professional-grade analysis

Code Information

Code: P0563
System: Powertrain (Engine, Transmission, Emissions)
Severity: HIGH
Category: Engine Codes