CarParts.com Research Team

Automotive and Tech Writers

The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. Guided by CarParts.com's thorough editorial process, our team strives to produce guides and resources DIYers and casual car owners can trust.

P0581 Code: Cruise Control Multi-Function Input “A” Circuit High

Summary The P0581 code stands for “Cruise Control Multi-Function Input ‘A’ Circuit High,” which means the powertrain control module detects…

4 years ago

P0778 Code: Pressure Control Solenoid “B” Electrical

Summary The powertrain control module will log a P0778 trouble code if it detects a problem with the pressure control…

4 years ago

P0768 Code: Shift Solenoid “D” Electrical

Summary Diagnostic trouble code (DTC) P0768 stands for “Shift Solenoid ‘D’ Electrical.” The P768 code will log once the engine…

4 years ago

Ripped Off By a Mechanic: What Can I Do?

Summary If your mechanic scams you, keep calm and assess the situation logically. Then, contact the business directly and ask…

4 years ago

What’s the Rivian R1T’s Towing Capacity?

The Rivian R1T is the first electric-powered truck to be released on the consumer market. As most automotive brands are…

4 years ago

New-Car Smell: Where It Comes From, How Long It Lasts, and More

If you’ve driven a new car from the dealership, then you’ve probably noticed its new-car smell. The scent smells like…

4 years ago

Bad Brake Caliper Piston Symptoms

Summary A faulty brake caliper piston can cause a vehicle to pull to one side, create high-pitched noises, and have…

4 years ago

Mustang Accessories: Your Options, Top-Selling Brands, and More

Summary There are different types of Mustang accessories designed to improve performance. Some of the most popular brands of accessories…

4 years ago

P2609 Code: Intake Air Heater System Performance

Summary The diagnostic trouble code (DTC) P2609 indicates “Intake Air Heater System Performance.”Your vehicle's computer/powertrain control module (PCM) will store…

4 years ago

P0753 Code: Shift Solenoid “A” Electrical

Summary DTC P0753 stands for “Shift Solenoid ‘A’ Electrical.” It indicates a malfunction within the shift solenoid “A” circuit.Some problems…

4 years ago

P0742 Code: Torque Converter Clutch Circuit Stuck On

Summary The P0742 code stands for “Torque Converter Clutch (TCC) Circuit Stuck On,” which means the powertrain control module (PCM)…

4 years ago

P0707 Code: Transmission Range Sensor “A” Circuit Low

Summary Diagnostic trouble code (DTC) P0707 is defined as Transmission Range Sensor “A” Circuit Low. This code triggers when either…

4 years ago

17 Inch Rims

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4 years ago

20 Inch Rims

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4 years ago

22 Inch Rims

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4 years ago

P0704: Clutch Switch Input Circuit

Summary The P0704 code is defined as “Clutch Switch Input Circuit.” The powertrain control module (PCM) electronically monitors the clutch…

4 years ago

P0683 Code: Glow Plug Control Module to PCM Communication Circuit

Summary The P0683 code stands for “Glow Plug Control Module to PCM Communication Circuit Code.”This code is triggered when the…

4 years ago

P0677 Code: Cylinder #7 Glow Plug Circuit

Summary Diagnostic trouble code (DTC) P0677 stands for “Cylinder #7 Glow Plug Circuit.”The powertrain control module (PCM) will set the…

4 years ago

P0369 Code: Camshaft Position Sensor “B” Circuit Intermittent Bank 1

Summary DTC P0369 stands for “Camshaft Position Sensor “B” Circuit Intermittent Bank 1.” This code is logged when the incoming…

4 years ago

P0297 Code: Vehicle Overspeed Condition

Summary The P0297 code stands for “Vehicle Overspeed Condition,” which means the powertrain control module received a signal from the…

4 years ago

P0284 Code: Cylinder 8 Contribution / Balance

Summary The engine computer will register a P0284 trouble code when it notices that cylinder #8 isn’t producing enough power.…

4 years ago

P0270 Code: Cylinder 4 Injector Circuit Low

Summary The diagnostic trouble code (DTC) P0270 indicates “Cylinder 4 Injector Circuit Low.”  The powertrain control module (PCM) will set…

4 years ago

P0266 Code: Cylinder 2 Contribution / Balance

Summary The diagnostic trouble code (DTC) P0266 indicates “Cylinder 2 Contribution / Balance.”  The powertrain control module (PCM) will trigger…

4 years ago

P0261 Code: Cylinder 1 Injector Circuit Low

Electronic fuel injection systems generally rely on the powertrain control module (PCM) to operate the fuel injectors to deliver fuel…

4 years ago

Four Ways Your Mechanic Could Be Ripping You Off

Summary Mechanics can rip you off by upselling unnecessary repairs, overcharging, and neglecting to perform a thorough diagnosis. A dishonest…

4 years ago

P025A Code: Fuel Pump Control Module Circuit / Open

Summary Diagnostic trouble code (DTC) P025A stands for “Fuel Pump Control Module Circuit/Open.” The P025A code is logged once the…

4 years ago

P0216 Code: Injection Timing Control Circuit Malfunction

Summary The diagnostic trouble code (DTC) P0216 indicates “Injection Timing Control Circuit Malfunction.” The powertrain control module (PCM) will log…

4 years ago

P3000 Code Toyota: HV Battery Malfunction

Summary The diagnostic trouble code (DTC) P3000 indicates “HV Battery Malfunction.”The powertrain control module (PCM) will set this code if…

4 years ago

What is a Leveling Kit? Differences vs Lift Kit (See Illustrations)

Have you ever wondered why trucks have higher rear ends? That’s because most automakers don’t want the back of their…

4 years ago

P0736 Code: Reverse Incorrect Gear Ratio

Summary If your vehicle has logged a P0736 trouble code, it means that the computer has detected an issue with…

4 years ago

P0726 Code: Engine Speed Input Circuit Range / Performance

Summary DTC P0726 stands for “Engine Speed Input Circuit Range/Performance,” and this code is logged when the TCM doesn’t receive…

4 years ago

P0671 Code: Cylinder 1 Glow Plug Cylinder / Open

Summary The P0671 code is defined as “Cylinder 1 Glow Plug Cylinder/Open.” This code is stored when the PCM detects…

4 years ago

P0670 Code: Glow Plug Control Module Circuit / Open

Summary DTC P0670 stands for “Glow Plug Control Module Circuit/Open.” It means that the PCM has detected a problem with…

4 years ago

U0402 Code: Invalid Data Received from TCM

Summary The diagnostic trouble code (DTC) U0402 stands for “Invalid Data Received from TCM.”The powertrain control module (PCM) will set…

4 years ago

U0401 Code: Invalid Data Received from ECM / PCM “A”

Summary The U0401 code stands for “Invalid Data Received from ECM/PCM ‘A’”, which means modules on the data network are…

4 years ago

P0156 Code: O2 Sensor Circuit Malfunction Bank 2 Sensor 2

Summary Diagnostic trouble code (DTC) P0156 stands for “O2 Sensor Circuit Malfunction Bank 2 Sensor 2.” Code P0156 is set…

4 years ago

P2716 Code: Pressure Control Solenoid “D” Electrical

Summary DTC P2716 stands for “Pressure Control Solenoid “D” Electrical”This code is set when the PCM detects a problem with…

4 years ago

P2626 Code: O2 Sensor Pumping Current Trim Circuit / Open Bank 1 Sensor 1

Summary The P2626 code is defined as “O2 Sensor Pumping Current Trim/Open Bank 1 Sensor 1.” This code is triggered…

4 years ago

P2102 Code: Throttle Actuator “A” Control Motor Circuit Low

Summary DTC P2102 stands for “Throttle Actuator ‘A’ Control Motor Circuit Low.” It’s triggered when the PCM detects an electrical…

4 years ago

P20E8 Code: Diesel Intake Air Flow Position Sensor Circuit Low

Summary The diagnostic trouble code (DTC) P20E8 indicates “Diesel Intake Air Flow Position Sensor Circuit Low.”The powertrain control module (PCM)…

4 years ago

P208B Code: Reductant Pump Control Range / Performance

Summary The P208B code stands for “Reductant Pump Control Range/Performance,” which means the powertrain control module (PCM) has detected issues…

4 years ago

P207F Code: Reductant Quality Performance

Summary The P207F code is defined as “Reductant Quality Performance.”It’s triggered when the PCM detects that the reductant catalyst system…

4 years ago

P2033 Code: Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 2

Summary The diagnostic trouble code (DTC) P2033 indicates “Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 2.”The powertrain control…

4 years ago

P0A7F Code: Hybrid Battery Pack Deterioration

Summary The P0A7F code stands for “Hybrid Battery Pack Deterioration,” which means the powertrain control module (PCM) detects excessive resistance…

4 years ago

Gas Guzzler Tax: Definition, How to Avoid, Amounts (See Table)

Summary The Gas Guzzler Tax aims to discourage the production and purchase of fuel-inefficient vehicles by imposing an additional premium…

4 years ago

What is Eco Mode in a Vehicle? Effectiveness, When to Use, and More

Summary Eco Mode was designed to improve a vehicle’s fuel economy by limiting engine and transmission performance. When activated, Eco…

4 years ago

P0974 Code: Shift Solenoid “A” Control Circuit High

Summary The P0974 code stands for Shift Solenoid “A” Control Circuit High. It’s set when the TCM detects a malfunctioning…

4 years ago

P0843 Code: Transmission Fluid Pressure Sensor / Switch “A” Circuit High

Summary DTC P0843 code stands for Transmission Fluid Sensor/Switch “A” Circuit High. It’s logged when the PCM or TCM receives…

4 years ago

P0842 Code: Transmission Fluid Pressure Sensor / Switch “A” Circuit Low

Summary A P0842 code is commonly defined as a “Transmission Fluid Pressure Sensor / Switch ‘A’ Circuit Low.”The code is…

4 years ago

Wheel Backspacing VS Wheel Offset: Charts and Table Included

Summary Wheel backspacing and offset measure specific parts of a wheel and determine a wheel’s position relative to the vehicle.…

4 years ago

P0796 Code: Pressure Control Solenoid “C” Performance / Stuck Off

Summary A logged P0796 means that the PCM has detected a problem with the transmission pressure solenoid “C” or the…

4 years ago

P0777 Code: Pressure Control Solenoid “B” Stuck On

Summary The P0777 code stands for “Pressure Control Solenoid “B” Stuck On.”The code is logged once the pressure control solenoid…

4 years ago

P0757 Code: Shift Solenoid “B” Stuck On

Summary The diagnostic trouble code (DTC) P0757 indicates “Shift Solenoid ‘B’ Stuck On.”Your vehicle's powertrain control module (PCM) will log…

4 years ago

What is a Torsion Key Lift?

Summary A torsion key lift is an inexpensive way to increase a vehicle’s ride height. It involves raising the stock…

4 years ago

Good Brakes vs. Bad Brakes

Summary There are two main characteristics of healthy brakes. First, the brake pedal should feel firm and hard when you’re…

4 years ago

Rusty Brake Discs: Should You Be Worried?

Summary It’s normal for brake discs and rotors to develop rust, but too much of it can affect your vehicle’s…

4 years ago

When to Replace Your Steering Knuckles

Summary The steering knuckle provides a mounting point for the wheel hub. When the driver turns the steering wheel, the…

4 years ago

P0491 Code: Secondary Air Injection System Insufficient Flow Bank 1

Summary Diagnostic trouble code (DTC) P0491 stands for “Secondary Air Injection Insufficient Flow Bank 1.” This code is logged once…

4 years ago

P0603 Code: Internal Control Module Keep Alive Memory (KAM) Error

Summary DTC P0603 stands for “Internal Control Module Keep Alive Memory (KAM) Error.” It’s logged when the KAM fails its…

4 years ago

P1135 Code: Nissan, Toyota, Lexus

Summary The P1135 code for Toyota vehicles stands for “Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction.” …

4 years ago

P0306 Code: Cylinder 6 Misfire Detected

Summary The P0306 code stands for “Cylinder 6 Misfire Detected,” which means the powertrain control module (PCM) has detected that…

4 years ago

P0460: Fuel Level Sensor “A” Circuit

Summary DTC P0460 stands for “Fuel Level Sensor “A” Circuit.”This code is triggered when the PCM detects that the input…

4 years ago

Nissan LEAF: Battery Degradation and Other Common Problems

Summary The Nissan LEAF is an electric vehicle (EV) rolled out in 2010. It’s known to be easier to maintain…

4 years ago

P2314 Code: Ignition Coil “E” Secondary Circuit

Summary Diagnostic trouble code (DTC) P2314 stands for “Ignition Coil ‘E’ Secondary Circuit.” Code P2314 triggers when the powertrain control…

4 years ago

P2241 Code: O2 Sensor Positive Current Control Circuit Low Bank 2 Sensor 1

Summary DTC P2241 stands for “O2 Sensor Positive Current Control Circuit Low,” and it’s logged when the voltage signal sent…

4 years ago

P2009 Code: Intake Manifold Runner Control Circuit Low Bank 1

Summary DTC P2009 stands for “Intake Manifold Runner Control Circuit Low Bank 1.”This code is may be set due to…

4 years ago

P0888 Code: TCM Power Relay Sense Circuit

Summary Diagnostic trouble code (DTC) P0888 stands for “TCM Power Relay Sense Circuit.” The transmission control module (TCM) controls your…

4 years ago

P0884 Code: TCM Power Input Signal Intermittent

Summary Your vehicle may log a code P0884 when the computer determines that there’s a power interruption to the transmission…

4 years ago

P0560 Code: System Voltage

Summary The diagnostic trouble code (DTC) P0560 stands for “System Voltage.”The powertrain control module (PCM) will trigger the P0560 code…

4 years ago

P0872 Code: Transmission Fluid Pressure Sensor / Switch “C” Circuit Low

Summary The diagnostic trouble code (DTC) P0872 means “Transmission Fluid Pressure Sensor / Switch ‘C’ Circuit Low.”The powertrain control module…

4 years ago

P083B Code: Transmission Fluid Pressure Sensor / Switch “G” Circuit Range / Performance

Summary The PCM regularly checks the TFP sensor. If the signal from the “G” circuit doesn’t fall within the expected…

4 years ago

P2432 Code: Secondary Air Injection System Airflow / Pressure Sensor Circuit Low Bank 1

Summary The diagnostic trouble code (DTC) P2432 indicates “P2432 Code: Secondary Air Injection System Airflow / Pressure Sensor Circuit Low…

4 years ago

P2431 Code: Secondary Air Injection System Airflow / Pressure Sensor Circuit Range / Performance Bank 1

Summary DTC P2431 stands for “Secondary Air Injection System Airflow/ Pressure Sensor Circuit Range/Performance Bank 1.” It’s logged when the…

4 years ago

P2291 Code: Injector Control Pressure Too Low – Engine Cranking

Summary Diagnostic trouble code (DTC) P2291 stands for “Injector Control Pressure Too Low – Engine Cranking.”  The P2291 code is…

4 years ago

P2180 Code: System Too Rich Off Idle

Summary Code P2180 is logged when the PCM detects a rich air-fuel mixture.Some of the common causes of this trouble…

4 years ago

P0642 Code: Sensor Reference Voltage “A” Circuit Low

Summary Diagnostic trouble code (DTC) P0642 stands for “Sensor Reference Voltage ‘A’ Circuit Low.” It means the powertrain control module…

4 years ago

P0638 Code: Throttle Actuator Control Range / Performance (Bank 1)

Summary A logged P0638 code means that the PCM has detected that the throttle actuator is not in the right…

4 years ago

Black Side Mirrors

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4 years ago

Electric Fuel Pump

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4 years ago

P2243 Code: O2 Sensor Reference Voltage Circuit / Open

Summary Diagnostic trouble code (DTC) P2243 stands for “O2 Sensor Reference Voltage Circuit/Open.” If the powertrain control module (PCM) detects…

4 years ago

P2172 Code: Throttle Actuator Control System – Sudden High Air Flow Detected

Summary The diagnostic trouble code (DTC) P2172 indicates “Throttle Actuator Control System – Sudden High Air Flow Detected.”The vehicle’s computer…

4 years ago

P0498 Code: Evaporative Emission System Vent Valve Control Circuit Low

Summary The P0498 code stands for “Evaporative Emission System Vent Valve Control Circuit Low.” It’s logged when the PCM detects…

4 years ago

P2149 Code: Fuel Injector Group “B” Supply Voltage Circuit / Open

Summary A logged P2149 code means that the powertrain control module (PCM) has detected a problem with one of the…

4 years ago

P2146 Code: Fuel Injector Group “A” Supply Voltage Circuit / Open

Summary The diagnostic trouble code (DTC) P2146 indicates “Fuel Injector Group ‘A’ Supply Voltage Circuit / Open.”Your vehicle's powertrain control…

4 years ago

P0466 Code: EVAP Purge Flow Sensor Circuit Range / Performance

Summary Diagnostic trouble code (DTC) P0466 stands for “Purge Flow Sensor Circuit Range.” Code P0466 is logged when the powertrain…

4 years ago

P0412 Code: Secondary Air Injection System Switching Valve “A” Circuit

Summary On-board diagnostics (OBD) can log a P0412 if the vehicle computer detects a problem with the secondary air injection…

4 years ago

P2251 Code: O2 Sensor Negative Current Control Circuit / Open Bank 1 Sensor 1

Summary The diagnostic trouble code (DTC) P2251 indicates “O2 Sensor Negative Current Control Circuit / Open Bank 1 Sensor 1.”Your…

4 years ago

P0602 Code: Control Module Programming Error

Summary Diagnostic trouble code (DTC) P0602 means “Control Module Programming Error.” When the PCM spots an internal programming error that…

4 years ago

P2121 Code: Throttle / Pedal Position Sensor / Switch “D” Circuit Range / Performance

Summary DTC P2121 stands for “Throttle/Pedal Position Sensor/Switch ‘D’ Circuit Range/Performance.”This is logged when the PCM doesn’t get the proper…

4 years ago

P0572 Code: Brake Switch “A” Circuit Low

Summary DTC P0572 stands for “Brake Switch ‘A’ Circuit Low.”This code is logged when the brake switch’s circuit “A” shows…

4 years ago

P0676 Code: Cylinder #6 Glow Plug Circuit / Open

Summary On-board diagnostics will log a P0676 trouble code if the glow plug on cylinder #6 is not heating up.A…

4 years ago

P0495 Code: Fan Speed High

Summary Diagnostic trouble code (DTC) P0495 stands for “Fan Speed High.” Code P0495 triggers when the powertrain control module (PCM)…

4 years ago

Bad Ball Joint Symptoms

Summary Loud popping or squeaking noises, steering wheel vibrations, and steering problems are some of the most common symptoms of…

4 years ago

Shocks and Struts Replacement Cost

Summary Shocks and struts replacement costs somewhere between $450 and $1,100. It’s possible to remove just the shocks or the…

4 years ago

How to Extend the Service Life of Wheel Bearings

Summary Wheel bearings are responsible for ensuring that the wheel and tire assembly spins as smoothly as possible.Typically, wheel bearings…

4 years ago

P2509 Code: PCM Power Input Signal Intermittent

Summary Diagnostic trouble code (DTC) P2509 stands for “PCM Power Input Signal Intermittent.” This code is logged when the powertrain…

4 years ago

P0894 Code: Transmission Component Slipping

Summary Diagnostic trouble code (DTC) P0894 stands for “Transmission Component Slipping.” It’s logged when the powertrain control module (PCM) has…

4 years ago

Steel Wheels

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4 years ago

HID Headlights

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4 years ago

Dodge Dart Reliability and Common Problems

Summary The Dodge Dart received a 4.0 out of 5.0 reliability rating from RepairPal.The most common Dodge Dart problems include…

4 years ago