Are you curious about Savy Obd2 and its impact on your vehicle? Savy OBD2 is an on-board diagnostic tool that provides real-time vehicle data, enhances vehicle maintenance, and promotes safe driving habits; at OBD2-SCANNER.EDU.VN, we help you understand how this technology can improve your car’s performance. Discover its capabilities and contact us for comprehensive guidance.
Contents
- 1. What Is Savy OBD2?
- 1.1 Understanding the Basics of OBD2
- 1.2 How Savy OBD2 Works
- 1.3 Benefits of Using Savy OBD2
- 2. Key Features of Savy OBD2
- 2.1 Real-Time Data Monitoring
- 2.2 Diagnostic Capabilities
- 2.2.1 Reading Diagnostic Trouble Codes (DTCs)
- 2.2.2 Clearing DTCs
- 2.3 Performance Tracking
- 2.3.1 Speed and Acceleration Monitoring
- 2.3.2 Braking Habits Analysis
- 2.4 Fuel Efficiency Analysis
- 2.4.1 Fuel Consumption Monitoring
- 2.4.2 Fuel Trim Analysis
- 2.5 Trip Logging
- 2.5.1 Distance and Duration Tracking
- 2.5.2 Fuel Economy per Trip
- 3. How to Use Savy OBD2
- 3.1 Installation Process
- 3.2 Setting Up the App
- 3.3 Interpreting the Data
- 3.4 Common Issues and Troubleshooting
- 4. Benefits of Savy OBD2 for Different Users
- 4.1 Individual Car Owners
- 4.1.1 Improving Driving Habits
- 4.1.2 Saving on Fuel Costs
- 4.1.3 Preventing Costly Repairs
- 4.2 Fleet Managers
- 4.2.1 Tracking Vehicle Performance
- 4.2.2 Improving Driver Behavior
- 4.2.3 Reducing Operating Costs
- 4.3 Mechanics
- 4.3.1 Diagnosing Vehicle Issues
- 4.3.2 Accessing Real-Time Data
- 4.3.3 Streamlining the Repair Process
- 5. Choosing the Right Savy OBD2 Device
- 5.1 Compatibility
- 5.2 Features
- 5.3 Price
- 5.4 Reviews
- 5.5 Brand Reputation
- 6. Common OBD2 Codes and Their Meanings
1. What Is Savy OBD2?
Savy OBD2 is a device that plugs into your car’s OBD2 port, providing real-time data about your vehicle’s performance. It monitors various parameters, including engine performance, fuel efficiency, and driving behavior. This data helps you understand your vehicle better and maintain it effectively. According to a study by the University of California, Berkeley, OBD2 devices can improve fuel efficiency by up to 10% through real-time monitoring and feedback.
1.1 Understanding the Basics of OBD2
OBD2, or On-Board Diagnostics II, is a standardized system used in most vehicles since 1996. It monitors the engine, transmission, and other components to ensure they are functioning correctly. The OBD2 port allows mechanics and vehicle owners to access this data using a scanner. The Environmental Protection Agency (EPA) mandates OBD2 compliance to reduce emissions and improve air quality.
1.2 How Savy OBD2 Works
Savy OBD2 devices connect to your car’s OBD2 port and transmit data to a smartphone app or computer. This data includes:
- Engine Performance: Engine speed (RPM), coolant temperature, and throttle position.
- Fuel Efficiency: Fuel consumption, fuel trim, and air-fuel ratio.
- Driving Behavior: Speed, acceleration, braking habits, and trip details.
The device analyzes this information and provides insights to help you improve your driving habits and maintain your vehicle. For example, excessive speeding and harsh braking can decrease fuel efficiency. Savy OBD2 alerts you to these behaviors, encouraging safer and more economical driving.
1.3 Benefits of Using Savy OBD2
Using Savy OBD2 offers numerous benefits, including:
- Real-Time Vehicle Monitoring: Access to real-time data about your vehicle’s performance.
- Improved Fuel Efficiency: Insights into driving habits that affect fuel consumption.
- Enhanced Vehicle Maintenance: Early detection of potential issues.
- Safe Driving Habits: Monitoring and feedback on driving behavior.
- Cost Savings: Reducing fuel costs and preventing costly repairs.
2. Key Features of Savy OBD2
Savy OBD2 is packed with features that make it a valuable tool for any car owner. These features help you monitor your vehicle’s health, improve driving habits, and save money on fuel and repairs.
2.1 Real-Time Data Monitoring
Savy OBD2 provides real-time data on various vehicle parameters. This includes engine speed (RPM), coolant temperature, fuel consumption, and more. By monitoring these parameters, you can quickly identify potential issues and address them before they become major problems. According to a report by AAA, regular vehicle maintenance can reduce the risk of breakdowns by up to 20%.
2.2 Diagnostic Capabilities
One of the primary functions of Savy OBD2 is its diagnostic capabilities. It can read and clear diagnostic trouble codes (DTCs), providing insights into potential issues with your vehicle. This feature allows you to diagnose problems early and take corrective action, saving you time and money on repairs.
2.2.1 Reading Diagnostic Trouble Codes (DTCs)
When your car’s check engine light comes on, it indicates that there is a problem with one of the vehicle’s systems. Savy OBD2 can read the diagnostic trouble code (DTC) associated with the light. This code provides information about the nature of the problem, helping you understand what needs to be fixed.
2.2.2 Clearing DTCs
In some cases, the check engine light may come on due to a temporary issue. Savy OBD2 allows you to clear the DTC and turn off the check engine light. However, it’s essential to address the underlying problem to prevent it from recurring.
2.3 Performance Tracking
Savy OBD2 tracks various performance metrics, including speed, acceleration, braking habits, and trip details. This information can help you understand your driving behavior and identify areas for improvement.
2.3.1 Speed and Acceleration Monitoring
Monitoring your speed and acceleration can help you drive more safely and efficiently. Savy OBD2 provides data on your average speed, maximum speed, and acceleration rates, allowing you to adjust your driving habits accordingly.
2.3.2 Braking Habits Analysis
Harsh braking can decrease fuel efficiency and increase wear and tear on your vehicle. Savy OBD2 analyzes your braking habits, providing insights into how often you brake harshly and suggesting ways to brake more smoothly.
2.4 Fuel Efficiency Analysis
Savy OBD2 provides detailed fuel efficiency analysis, helping you understand how your driving habits affect fuel consumption. This feature can help you save money on fuel costs and reduce your carbon footprint.
2.4.1 Fuel Consumption Monitoring
Savy OBD2 monitors your fuel consumption in real-time, providing data on your average fuel economy and total fuel consumption for each trip.
2.4.2 Fuel Trim Analysis
Fuel trim is a measure of how well your engine is managing the air-fuel mixture. Savy OBD2 analyzes your fuel trim data, providing insights into potential issues with your engine’s performance.
2.5 Trip Logging
Savy OBD2 logs all your trips, providing detailed information about each journey. This includes the distance traveled, the duration of the trip, and the average fuel economy.
2.5.1 Distance and Duration Tracking
Savy OBD2 tracks the distance and duration of each trip, allowing you to monitor your vehicle’s usage over time.
2.5.2 Fuel Economy per Trip
Savy OBD2 calculates your fuel economy for each trip, providing insights into how different driving conditions affect fuel consumption.
3. How to Use Savy OBD2
Using Savy OBD2 is simple and straightforward. Follow these steps to get started:
3.1 Installation Process
- Locate the OBD2 Port: The OBD2 port is typically located under the dashboard on the driver’s side. Refer to your vehicle’s manual if you’re unsure of its location.
- Plug in the Savy OBD2 Device: Insert the Savy OBD2 device into the OBD2 port. Ensure it is securely connected.
- Download the App: Download the Savy OBD2 app from the App Store or Google Play.
- Pair the Device: Follow the instructions in the app to pair the device with your smartphone or tablet.
3.2 Setting Up the App
- Create an Account: Create an account in the Savy OBD2 app.
- Add Your Vehicle: Add your vehicle’s information, including the make, model, and year.
- Customize Settings: Customize the app settings to suit your preferences. This may include setting up alerts for specific events, such as speeding or harsh braking.
3.3 Interpreting the Data
Once the device is set up, you can start interpreting the data provided by Savy OBD2.
- Real-Time Data: Monitor real-time data, such as engine speed, coolant temperature, and fuel consumption.
- Diagnostic Trouble Codes (DTCs): Read and clear DTCs to diagnose potential issues with your vehicle.
- Performance Metrics: Track performance metrics, such as speed, acceleration, and braking habits.
- Fuel Efficiency Analysis: Analyze fuel efficiency data to understand how your driving habits affect fuel consumption.
- Trip Logs: Review trip logs to monitor your vehicle’s usage over time.
3.4 Common Issues and Troubleshooting
If you encounter any issues with Savy OBD2, try the following troubleshooting steps:
- Check the Connection: Ensure the device is securely connected to the OBD2 port.
- Restart the App: Close and restart the Savy OBD2 app.
- Update the App: Ensure you have the latest version of the app installed.
- Contact Support: If you’re still experiencing issues, contact Savy OBD2 support for assistance.
4. Benefits of Savy OBD2 for Different Users
Savy OBD2 offers benefits for a wide range of users, including individual car owners, fleet managers, and mechanics.
4.1 Individual Car Owners
For individual car owners, Savy OBD2 provides valuable insights into their vehicle’s performance and maintenance needs. It helps them improve their driving habits, save money on fuel, and prevent costly repairs.
4.1.1 Improving Driving Habits
Savy OBD2 provides feedback on driving habits, such as speeding, harsh braking, and rapid acceleration. By monitoring these behaviors, drivers can adjust their driving habits to improve fuel efficiency and safety.
4.1.2 Saving on Fuel Costs
By monitoring fuel consumption and providing insights into driving habits, Savy OBD2 helps drivers save money on fuel costs. According to the U.S. Department of Energy, improving your driving habits can increase your fuel economy by up to 30%.
4.1.3 Preventing Costly Repairs
Savy OBD2 can detect potential issues early, allowing drivers to take corrective action before they become major problems. This can save them money on costly repairs and extend the life of their vehicle.
4.2 Fleet Managers
For fleet managers, Savy OBD2 provides a comprehensive solution for monitoring and managing their vehicle fleet. It helps them track vehicle performance, improve driver behavior, and reduce operating costs.
4.2.1 Tracking Vehicle Performance
Savy OBD2 allows fleet managers to track the performance of all vehicles in their fleet, providing insights into engine health, fuel efficiency, and maintenance needs.
4.2.2 Improving Driver Behavior
By monitoring driver behavior, Savy OBD2 helps fleet managers identify and address unsafe driving habits. This can reduce the risk of accidents and improve overall fleet safety.
4.2.3 Reducing Operating Costs
Savy OBD2 helps fleet managers reduce operating costs by improving fuel efficiency, preventing costly repairs, and optimizing vehicle maintenance schedules.
4.3 Mechanics
For mechanics, Savy OBD2 provides a valuable tool for diagnosing and repairing vehicles. It allows them to quickly identify potential issues, access real-time data, and streamline the repair process.
4.3.1 Diagnosing Vehicle Issues
Savy OBD2 can read and clear diagnostic trouble codes (DTCs), providing mechanics with insights into potential issues with a vehicle.
4.3.2 Accessing Real-Time Data
Savy OBD2 provides access to real-time data, such as engine speed, coolant temperature, and fuel consumption. This data can help mechanics diagnose problems more quickly and accurately.
4.3.3 Streamlining the Repair Process
By providing valuable diagnostic information, Savy OBD2 helps mechanics streamline the repair process, reducing the time and cost of repairs.
5. Choosing the Right Savy OBD2 Device
With so many Savy OBD2 devices on the market, it’s essential to choose the right one for your needs. Consider the following factors when making your decision:
5.1 Compatibility
Ensure the Savy OBD2 device is compatible with your vehicle. Most devices are compatible with all vehicles manufactured since 1996, but it’s always a good idea to check.
5.2 Features
Consider the features that are most important to you. Some devices offer basic real-time data monitoring, while others provide advanced diagnostic capabilities and performance tracking.
5.3 Price
Savy OBD2 devices range in price from around $20 to over $200. Consider your budget and choose a device that offers the features you need at a price you can afford.
5.4 Reviews
Read reviews from other users to get an idea of the device’s performance and reliability. Look for devices with positive reviews and high ratings.
5.5 Brand Reputation
Choose a Savy OBD2 device from a reputable brand. Established brands are more likely to offer reliable products and excellent customer support.
6. Common OBD2 Codes and Their Meanings
Understanding common OBD2 codes can help you diagnose and address issues with your vehicle more effectively. Here are some of the most common codes and their meanings:
| Code | Meaning | Possible Causes |
|---|---|---|
| P0101 | Mass Air Flow (MAF) Sensor Circuit Range/Performance Problem | Dirty or faulty MAF sensor, air leaks, wiring issues |
| P0113 | Intake Air Temperature (IAT) Sensor Circuit High Input | Faulty IAT sensor, wiring issues |
| P0171 | System Too Lean (Bank 1) | Vacuum leaks, faulty oxygen sensor, low fuel pressure |
| P0300 | Random/Multiple Cylinder Misfire Detected | Faulty spark plugs, ignition coils, fuel injectors, vacuum leaks |
| P0420 | Catalyst System Efficiency Below Threshold (Bank 1) | Faulty catalytic converter, oxygen sensor issues, exhaust leaks |
| P0442 | Evaporative Emission Control System Leak Detected (Small Leak) | Loose or faulty gas cap, damaged EVAP system components |
| P0505 | Idle Air Control (IAC) System Malfunction | Dirty or faulty IAC valve, wiring issues |
| P0741 | Torque Converter Clutch Circuit Performance or Stuck Off | Faulty torque converter, solenoid issues, low transmission fluid |
| P0131 | O2 Sensor Circuit Low Voltage (Bank 1, Sensor 1) | Faulty O2 sensor, wiring issues, exhaust leaks |
| P0133 | O2 Sensor Circuit Slow Response (Bank 1, Sensor 1) | Faulty O2 sensor, exhaust leaks |
| P0135 | O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1) | Faulty O2 sensor heater, wiring issues |
| P0137 | O2 Sensor Circuit Low Voltage (Bank 1, Sensor 2) | Faulty O2 sensor, wiring issues, exhaust leaks |
| P0139 | O2 Sensor Circuit Slow Response (Bank 1, Sensor 2) | Faulty O2 sensor, exhaust leaks |
| P0141 | O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2) | Faulty O2 sensor heater, wiring issues |
| P0151 | O2 Sensor Circuit Low Voltage (Bank 2, Sensor 1) | Faulty O2 sensor, wiring issues, exhaust leaks |
| P0153 | O2 Sensor Circuit Slow Response (Bank 2, Sensor 1) | Faulty O2 sensor, exhaust leaks |
| P0155 | O2 Sensor Heater Circuit Malfunction (Bank 2, Sensor 1) | Faulty O2 sensor heater, wiring issues |
| P0157 | O2 Sensor Circuit Low Voltage (Bank 2, Sensor 2) | Faulty O2 sensor, wiring issues, exhaust leaks |
| P0159 | O2 Sensor Circuit Slow Response (Bank 2, Sensor 2) | Faulty O2 sensor, exhaust leaks |
| P0161 | O2 Sensor Heater Circuit Malfunction (Bank 2, Sensor 2) | Faulty O2 sensor heater, wiring issues |
| P0172 | System Too Rich (Bank 1) | Faulty fuel injectors, high fuel pressure, faulty O2 sensor |
| P0174 | System Too Lean (Bank 2) | Vacuum leaks, faulty oxygen sensor, low fuel pressure |
| P0175 | System Too Rich (Bank 2) | Faulty fuel injectors, high fuel pressure, faulty O2 sensor |
| P0200 | Injector Circuit Malfunction | Faulty fuel injector, wiring issues |
| P0201 | Injector Circuit Malfunction – Cylinder 1 | Faulty fuel injector, wiring issues |
| P0202 | Injector Circuit Malfunction – Cylinder 2 | Faulty fuel injector, wiring issues |
| P0203 | Injector Circuit Malfunction – Cylinder 3 | Faulty fuel injector, wiring issues |
| P0204 | Injector Circuit Malfunction – Cylinder 4 | Faulty fuel injector, wiring issues |
| P0205 | Injector Circuit Malfunction – Cylinder 5 | Faulty fuel injector, wiring issues |
| P0206 | Injector Circuit Malfunction – Cylinder 6 | Faulty fuel injector, wiring issues |
| P0207 | Injector Circuit Malfunction – Cylinder 7 | Faulty fuel injector, wiring issues |
| P0208 | Injector Circuit Malfunction – Cylinder 8 | Faulty fuel injector, wiring issues |
| P0209 | Injector Circuit Malfunction – Cylinder 9 | Faulty fuel injector, wiring issues |
| P0210 | Injector Circuit Malfunction – Cylinder 10 | Faulty fuel injector, wiring issues |
| P0211 | Injector Circuit Malfunction – Cylinder 11 | Faulty fuel injector, wiring issues |
| P0212 | Injector Circuit Malfunction – Cylinder 12 | Faulty fuel injector, wiring issues |
| P0301 | Cylinder 1 Misfire Detected | Faulty spark plug, ignition coil, fuel injector, vacuum leak |
| P0302 | Cylinder 2 Misfire Detected | Faulty spark plug, ignition coil, fuel injector, vacuum leak |
| P0303 | Cylinder 3 Misfire Detected | Faulty spark plug, ignition coil, fuel injector, vacuum leak |
| P0304 | Cylinder 4 Misfire Detected | Faulty spark plug, ignition coil, fuel injector, vacuum leak |
| P0305 | Cylinder 5 Misfire Detected | Faulty spark plug, ignition coil, fuel injector, vacuum leak |
| P0306 | Cylinder 6 Misfire Detected | Faulty spark plug, ignition coil, fuel injector, vacuum leak |
| P0307 | Cylinder 7 Misfire Detected | Faulty spark plug, ignition coil, fuel injector, vacuum leak |
| P0308 | Cylinder 8 Misfire Detected | Faulty spark plug, ignition coil, fuel injector, vacuum leak |
| P0309 | Cylinder 9 Misfire Detected | Faulty spark plug, ignition coil, fuel injector, vacuum leak |
| P0310 | Cylinder 10 Misfire Detected | Faulty spark plug, ignition coil, fuel injector, vacuum leak |
| P0311 | Cylinder 11 Misfire Detected | Faulty spark plug, ignition coil, fuel injector, vacuum leak |
| P0312 | Cylinder 12 Misfire Detected | Faulty spark plug, ignition coil, fuel injector, vacuum leak |
| P0325 | Knock Sensor 1 Circuit Malfunction (Bank 1 or Single Sensor) | Faulty knock sensor, wiring issues |
| P0327 | Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor) | Faulty knock sensor, wiring issues |
| P0328 | Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor) | Faulty knock sensor, wiring issues |
| P0330 | Knock Sensor 2 Circuit Malfunction (Bank 2) | Faulty knock sensor, wiring issues |
| P0332 | Knock Sensor 2 Circuit Low Input (Bank 2) | Faulty knock sensor, wiring issues |
| P0333 | Knock Sensor 2 Circuit High Input (Bank 2) | Faulty knock sensor, wiring issues |
| P0335 | Crankshaft Position Sensor A Circuit Malfunction | Faulty crankshaft position sensor, wiring issues |
| P0336 | Crankshaft Position Sensor A Circuit Range/Performance | Faulty crankshaft position sensor, wiring issues |
| P0340 | Camshaft Position Sensor A Circuit Malfunction (Bank 1 or Single Sensor) | Faulty camshaft position sensor, wiring issues |
| P0341 | Camshaft Position Sensor A Circuit Range/Performance (Bank 1 or Single Sensor) | Faulty camshaft position sensor, wiring issues |
| P0400 | Exhaust Gas Recirculation Flow Malfunction | Faulty EGR valve, clogged EGR passages, vacuum leaks |
| P0401 | Exhaust Gas Recirculation Flow Insufficient Detected | Faulty EGR valve, clogged EGR passages, vacuum leaks |
| P0402 | Exhaust Gas Recirculation Flow Excessive Detected | Faulty EGR valve, clogged EGR passages, vacuum leaks |
| P0403 | Exhaust Gas Recirculation Circuit Malfunction | Faulty EGR valve, wiring issues |
| P0404 | Exhaust Gas Recirculation Circuit Range/Performance | Faulty EGR valve, wiring issues |
| P0405 | Exhaust Gas Recirculation Sensor A Circuit Low | Faulty EGR sensor, wiring issues |
| P0406 | Exhaust Gas Recirculation Sensor A Circuit High | Faulty EGR sensor, wiring issues |
| P0407 | Exhaust Gas Recirculation Sensor B Circuit Low | Faulty EGR sensor, wiring issues |
| P0408 | Exhaust Gas Recirculation Sensor B Circuit High | Faulty EGR sensor, wiring issues |
| P0410 | Secondary Air Injection System Malfunction | Faulty air pump, check valve issues, wiring issues |
| P0411 | Secondary Air Injection System Incorrect Flow Detected | Faulty air pump, check valve issues, wiring issues |
| P0412 | Secondary Air Injection System Switching Valve A Circuit Malfunction | Faulty switching valve, wiring issues |
| P0413 | Secondary Air Injection System Switching Valve A Circuit Open | Faulty switching valve, wiring issues |
| P0414 | Secondary Air Injection System Switching Valve A Circuit Shorted | Faulty switching valve, wiring issues |
| P0415 | Secondary Air Injection System Switching Valve B Circuit Malfunction | Faulty switching valve, wiring issues |
| P0416 | Secondary Air Injection System Switching Valve B Circuit Open | Faulty switching valve, wiring issues |
| P0417 | Secondary Air Injection System Switching Valve B Circuit Shorted | Faulty switching valve, wiring issues |
| P0420 | Catalyst System Efficiency Below Threshold (Bank 1) | Faulty catalytic converter, oxygen sensor issues, exhaust leaks |
| P0421 | Warm Up Catalyst Efficiency Below Threshold (Bank 1) | Faulty catalytic converter, oxygen sensor issues, exhaust leaks |
| P0422 | Main Catalyst Efficiency Below Threshold (Bank 1) | Faulty catalytic converter, oxygen sensor issues, exhaust leaks |
| P0423 | Heated Catalyst Efficiency Below Threshold (Bank 1) | Faulty catalytic converter, oxygen sensor issues, exhaust leaks |
| P0430 | Catalyst System Efficiency Below Threshold (Bank 2) | Faulty catalytic converter, oxygen sensor issues, exhaust leaks |
| P0431 | Warm Up Catalyst Efficiency Below Threshold (Bank 2) | Faulty catalytic converter, oxygen sensor issues, exhaust leaks |
| P0432 | Main Catalyst Efficiency Below Threshold (Bank 2) | Faulty catalytic converter, oxygen sensor issues, exhaust leaks |
| P0433 | Heated Catalyst Efficiency Below Threshold (Bank 2) | Faulty catalytic converter, oxygen sensor issues, exhaust leaks |
| P0440 | Evaporative Emission Control System Malfunction | Loose or faulty gas cap, damaged EVAP system components |
| P0441 | Evaporative Emission Control System Incorrect Purge Flow | Faulty purge valve, vacuum leaks, clogged EVAP system |
| P0442 | Evaporative Emission Control System Leak Detected (Small Leak) | Loose or faulty gas cap, damaged EVAP system components |
| P0443 | Evaporative Emission Control System Purge Control Valve Circuit Malfunction | Faulty purge valve, wiring issues |
| P0444 | Evaporative Emission Control System Purge Control Valve Circuit Open | Faulty purge valve, wiring issues |
| P0445 | Evaporative Emission Control System Purge Control Valve Circuit Shorted | Faulty purge valve, wiring issues |
| P0446 | Evaporative Emission Control System Vent Control Circuit Malfunction | Faulty vent valve, wiring issues |
| P0447 | Evaporative Emission Control System Vent Control Circuit Open | Faulty vent valve, wiring issues |
| P0448 | Evaporative Emission Control System Vent Control Circuit Shorted | Faulty vent valve, wiring issues |
| P0449 | Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction | Faulty vent valve, wiring issues |
| P0450 | Evaporative Emission Control System Pressure Sensor Malfunction | Faulty pressure sensor, wiring issues |
| P0451 | Evaporative Emission Control System Pressure Sensor Range/Performance | Faulty pressure sensor, wiring issues |
| P0452 | Evaporative Emission Control System Pressure Sensor Low Input | Faulty pressure sensor, wiring issues |
| P0453 | Evaporative Emission Control System Pressure Sensor High Input | Faulty pressure sensor, wiring issues |
| P0455 | Evaporative Emission Control System Leak Detected (Large Leak) | Loose or faulty gas cap, damaged EVAP system components |
| P0456 | Evaporative Emission Control System Leak Detected (Very Small Leak) | Loose or faulty gas cap, damaged EVAP system components |
| P0457 | Evaporative Emission Control System Leak Detected (Fuel Cap Loose/Off) | Loose or faulty gas cap |
| P0500 | Vehicle Speed Sensor Malfunction | Faulty speed sensor, wiring issues |
| P0501 | Vehicle Speed Sensor Range/Performance | Faulty speed sensor, wiring issues |
| P0502 | Vehicle Speed Sensor Low Input | Faulty speed sensor, wiring issues |
| P0503 | Vehicle Speed Sensor Intermittent/Erratic/High | Faulty speed sensor, wiring issues |
| P0505 | Idle Air Control System Malfunction | Dirty or faulty IAC valve, wiring issues |
| P0506 | Idle Air Control System RPM Lower Than Expected | Dirty or faulty IAC valve, vacuum leaks |
| P0507 | Idle Air Control System RPM Higher Than Expected | Dirty or faulty IAC valve, vacuum leaks |
| P0508 | Idle Air Control System Circuit Low | Faulty IAC valve, wiring issues |
| P0509 | Idle Air Control System Circuit High | Faulty IAC valve, wiring issues |
| P0510 | Closed Throttle Position Switch Malfunction | Faulty throttle position switch, wiring issues |
| P0600 | Serial Communication Link Malfunction | Wiring issues, faulty control module |
| P0601 | Internal Control Module Memory Check Sum Error | Faulty control module |
| P0602 | Control Module Programming Error | Faulty control module |
| P0603 | Internal Control Module Keep Alive Memory (KAM) Error | Faulty control module |
| P0604 | Internal Control Module Random Access Memory (RAM) Error | Faulty control module |
| P0605 | Internal Control Module Read Only Memory (ROM) Error | Faulty control module |
| P0606 | PCM Processor Fault | Faulty PCM |
| P0607 | Control Module Performance | Faulty control module |
| P0608 | Control Module VSS Output A Malfunction | Faulty control module, wiring issues |
| P0609 | Control Module VSS Output B Malfunction | Faulty control module, wiring issues |
| P0610 | Control Module Vehicle Options Error | Faulty control module |
| P0611 | Fuel Injector Control Module Performance | Faulty fuel injector control module |
| P0612 | Fuel Injector Control Module Control Circuit Malfunction | Faulty fuel injector control module, wiring issues |
| P0613 | TCM Processor Fault | Faulty TCM |
| P0614 | ECM/TCM Incompatible | Incompatible ECM and TCM |
| P0615 | Starter Relay Circuit Malfunction | Faulty starter relay, wiring issues |
| P0616 | Starter Relay Circuit Low | Faulty starter relay, wiring issues |
| P0617 | Starter Relay Circuit High | Faulty starter relay, wiring issues |
| P0620 | Generator Control Circuit Malfunction | Faulty generator, wiring issues |
| P0621 | Generator Lamp Control Circuit Malfunction | Faulty generator, wiring issues |
| P0622 | Generator Field Control Circuit Malfunction | Faulty generator, wiring issues |
| P0625 | Generator Field Terminal Circuit Low | Faulty generator, wiring issues |
| P0626 | Generator Field Terminal Circuit High | Faulty generator, wiring issues |
| P0627 | Fuel Pump A Control Circuit Malfunction | Faulty fuel pump, wiring issues |
| P0628 | Fuel Pump A Control Circuit Low | Faulty fuel pump, wiring issues |
| P0629 | Fuel Pump A Control Circuit High | Faulty fuel pump, wiring issues |
| P0630 | VIN Not Programmed or Incompatible – ECM/PCM | Improperly programmed ECM/PCM |
| P0631 | VIN Not Programmed or Incompatible – TCM | Improperly programmed TCM |
| P0632 | Odometer Not Programmed – ECM/PCM | Improperly programmed ECM/PCM |
| P0633 | Immobilizer Key Not Programmed – ECM/PCM | Improperly programmed ECM/PCM |
| P0634 | TCM Internal Temperature Too High | Faulty TCM |
| P0641 | Sensor Reference Voltage A Circuit Open | Wiring issues, faulty sensor |
| P0642 | Sensor Reference Voltage A Circuit Low | Wiring issues, faulty sensor |
| P0643 | Sensor Reference Voltage A Circuit High | Wiring issues, faulty sensor |
| P0645 | A/C Clutch Relay Control Circuit Malfunction | Faulty A/C clutch relay, wiring issues |
| P0646 | A/C Clutch Relay Control Circuit Low | Faulty A/C clutch relay, wiring issues |
| P0647 | A/C Clutch Relay Control Circuit High | Faulty A/C clutch relay, wiring issues |
| P0648 | Immobilizer Lamp Control Circuit Malfunction | Faulty immobilizer, wiring issues |
| P0649 | Immobilizer Lamp Control Circuit Low | Faulty immobilizer, wiring issues |
| P0650 | Malfunction Indicator Lamp (MIL) Control Circuit Malfunction | Faulty MIL, wiring issues |
| P0651 | Sensor Reference Voltage B Circuit Open | Wiring issues, faulty sensor |
| P0652 | Sensor Reference Voltage B Circuit Low | Wiring issues, faulty sensor |
| P0653 | Sensor Reference Voltage B Circuit High | Wiring issues, faulty sensor |
| P0654 | Engine RPM Output Circuit Malfunction | Wiring issues, faulty control module |
| P0655 | Engine Hot Lamp Output Control Circuit Malfunction | Wiring issues, faulty control module |
| P0656 | Fuel Level Output Circuit Malfunction | Wiring issues, faulty control module |
| P0657 | Actuator Supply Voltage A Circuit Open | Wiring issues, faulty actuator |
| P0658 | Actuator Supply Voltage A |
