OBD-II Trouble Codes

P0335 or Crankshaft Position “A” Circuit Malfunction

The P0335 trouble code indicates a possible issue with your vehicle’s crankshaft. But what exactly does this mean and how can you resolve the problem? Read on to learn more...Read more

OBD-II Trouble Codes

P0016 Code: Camshaft Position A – Camshaft Position Correlation (Bank 1)

The P0016 error code concerns the camshaft and crankshaft—two important components within your vehicle’s engine. These two must be perfectly synchronized for the engine to function properly. So, if your...Read more

OBD-II Trouble Codes

P0138 Code: O2 Sensor Circuit High Voltage (Bank 1, Sensor 2)

Is your vehicle triggering a P0138 trouble code on your OBD-II scanner? If so, read on to find out what this code means, what the symptoms and possible causes are,...Read more

OBD-II Trouble Codes

P0113 Code: Intake Air Temperature Sensor 1 Circuit High Input

On the spectrum of OBD-II codes, a P0113 is considered moderately severe. This means that, if you’re having issues with your vehicle and your OBD-II scanner reads a P0113 trouble...Read more

OBD-II Trouble Codes

P0303 Code: Cylinder 3 Misfire Detected

A misfire occurs when there is an insufficient amount of fuel burning in a cylinder. Since the way the engine runs relies heavily on the proper functioning of its cylinders,...Read more

OBD-II Trouble Codes

P0301 Code: Cylinder 1 Misfire Detected

A P0301 is one of a series of OBD-II error codes that are triggered when your vehicle’s computer has detected a “misfire.” What exactly does this diagnostic code entail? Read...Read more

OBD-II Trouble Codes

P0442 Code: Evaporative Emission Control System Leak Detected (Small Leak)

The P0442 code is one of the many OBD-II codes that can trigger if your vehicle perceives an issue with its EVAP system. In this article, we’ll explain what a...Read more

OBD-II Trouble Codes

P0401 Code: Exhaust Gas Recirculation (EGR) Flow Insufficient Detected

The error code P0401 is one of the 20 most common OBD-II codes faced by a lot of car owners, although it can be more prevalent in certain makes, such...Read more

OBD-II Trouble Codes

P0496 Code: EVAP Flow During a Non-Purge Condition

Is your vehicle recording a P0496 on your OBD-II scanner? This code, which is one of the many OBD-II codes that can trigger the Check Engine Light, may not present...Read more

OBD-II Trouble Codes

P0440 Code: Evaporative Emission Control System Malfunction – Large Leak

A P0440 is a generic powertrain code, which means it can appear in any vehicle regardless of make or model. Unlike other OBD-II codes, it will not affect the drivability...Read more

OBD-II Trouble Codes

P0014 Code: Camshaft Position B – Timing Over-Advanced or System Performance (Bank 1)

Diagnostic trouble code (DTC) P0014 is a generic powertrain code that can apply to all types of vehicles. The DTC stands for Camshaft Position B - Timing Over-Advanced or System...Read more

OBD-II Trouble Codes

P0172 Code: Fuel System Too Rich (Bank 1)

Is your Check Engine Light illuminated? Are you experiencing engine misfires? Or perhaps you’re noticing an unusual lack of engine power when you drive? While these symptoms are not exclusive...Read more

OBD-II Trouble Codes

P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)

There are around 11,000 different trouble codes in the most recent OBD-II index. So what makes the P0141 code stand out from the rest? This article will cover the details,...Read more

OBD-II Trouble Codes

P0011 Code: “A” Camshaft Timing Over Advanced (Bank 1)

The P0011 is a generic OBD-II code, which means it is common across all manufacturers. But more specifically, this specific fault code can be triggered in vehicles with variable camshaft...Read more

OBD-II Trouble Codes

P0340 Code: Camshaft Position Sensor “A” Circuit Malfunction

A P0340 error code can be a serious issue that requires immediate attention, as the underlying cause can lead to engine damage the longer you continue to use the vehicle....Read more

OBD-II Trouble Codes

P0441 Code: Evaporative Emission Control System Incorrect Purge Flow

If the Check Engine Light is illuminated on your dashboard and your OBD-II scanner shows a P0441 trouble code, this means that there’s a problem with your EVAP system—or more...Read more

OBD-II Trouble Codes

P0455 Code: Evaporative Emission System Large Leak Detected

If the Check Engine Light is illuminated and it’s triggering a P0455 code on your OBD-II scan tool, you may be looking at a gas cap issue. But that’s certainly...Read more

OBD-II Trouble Codes

P0446 Code: Evaporative Emission Control System Vent Control Circuit Malfunction

OBD-II codes help you find out what is wrong with your vehicle—but if you don’t know what a specific code means, how can you address the issue? If you’re getting...Read more

OBD-II Trouble Codes

P0174 Code: System Too Lean (Cylinder Bank 2)

While the P0174 OBD-II trouble code is not manufacturer-specific and is considered a generic powertrain code, it can be more common in certain car makes than others. More specifically, a...Read more

OBD-II Trouble Codes

P0420 Code: Catalyst System Efficiency Below Threshold (Bank 1)

There are many issues that could trigger the Check Engine Light to illuminate. However, if you use an OBD-II scanner and get a P0420 code, you may be having issues...Read more

OBD-II Trouble Codes

P0430 Code: Catalyst System Efficiency Below Threshold (Bank 2)

Your vehicle starts belching smoke. The engine might stall, lose power, and idles roughly. Finally, the Check Engine Light switches on. When you plug the OBD-II scanner into the connector,...Read more

OBD-II Trouble Codes

P0171 Code: System Too Lean (Bank 1)

For combustion engines to function smoothly, it needs to have a mixture of 14.7 parts air to 1 part fuel (14.7:1). To maintain this, the engine control module (ECM) constantly...Read more

OBD-II Trouble Codes

P0300 Code: Random or Multiple Cylinder Misfire Detected

If you’ve got a P0300 on your hands, buckle up—you might be in for a complicated diagnostic and repair process. In terms of severity, this OBD-II code is critical and...Read more

OBD-II Trouble Codes

P0128 Code: Coolant Temperature Below Thermostat Regulating Temperature

When the check engine light pops on in your car, you immediately start to wonder what it means, and whether it’s something serious. Retrieving diagnostic trouble codes (DTCs) can help...Read more