Welcome to the ultimate OBD2 Diagnostic Trouble Codes (DTC) reference guide. This comprehensive directory provides detailed breakdowns, meanings, and repair solutions for standard automotive fault codes mandated by the OBD2 protocol. Here you will find universal codes applicable to all makes and models, as well as manufacturer-specific trouble codes.
What is covered in our guides:
Code Definitions: Clear explanations of what each powertrain (P), body (B), chassis (C), and network (U) code means in plain English.
Common Symptoms: How your vehicle behaves when the code triggers (Check Engine Light, limp mode, rough idle, or drop in fuel economy).
Potential Causes: Step-by-step breakdown of faulty sensors, wiring issues, vacuum leaks, or mechanical failures.
Diagnostic & Repair Steps: Professional mechanic tips on how to safely troubleshoot and fix the issue yourself or prepare for a repair shop visit.
Use this search directory to decode your scanner’s readings, estimate repair costs, and keep your vehicle running smoothly.
Introduction The P0111 error code on Great Wall is a fairly common issue that many drivers face. Quick Summary: The **P0111 error** is most likely caused by a faulty intake air temperature sensor or wiring issues, representing a **medium severity level**. The **urgency of repair** is moderate, as it may affect engine performance and fuel…
Introduction The P0443 error code on Haval is a fairly common issue that many drivers face. Quick Summary: The **P0443 error** is often linked to a faulty purge control valve circuit, which can lead to a moderate level of severity. The urgency of repair is moderate, as it may cause issues with fuel efficiency and…
Introduction The P0453 error code on Changan is a fairly common issue that many drivers face. Quick Summary: The **P0453 error** is most likely caused by a faulty pressure sensor in the Evaporative Emission Control (EVAP) system. The severity level of this issue is generally considered medium, and the urgency of repair is soon, as…
Introduction The P0A10 error code on BYD is a fairly common issue that many drivers face. Quick Summary: The **P0A10 error** is most likely caused by a malfunction in the DC/DC converter enable circuit, which is a critical component of the vehicle’s electrical system. The **severity level** of this issue is moderate, and the **urgency…
Introduction Encountering the P0A78 code in your BYD? Here is a complete guide to its causes, symptoms, and solutions. Quick Summary: The **P0A78 error** is most likely caused by a malfunction in the drive motor A inverter, which can lead to reduced vehicle performance. The severity level of this code is moderate, and the urgency…
Introduction Let’s break down exactly what the P0223 trouble code means for your Exeed and how to fix it. The P0223 error is often linked to issues with the throttle or pedal position sensor/switch circuit. When diagnosing the P0223 code, it’s essential to understand that this code may be associated with problems in the engine…
Introduction Let’s break down exactly what the P0452 trouble code means for your Exeed and how to fix it. Quick Summary: The **P0452 error** is often linked to a faulty evaporative emission control system pressure sensor, which may cause a decrease in fuel efficiency and an increase in emissions. The severity level of this code…
Introduction The P2195 error code on FAW is a fairly common issue that many drivers face. Quick Summary: The **P2195 error** is most likely caused by a faulty oxygen sensor or a clogged fuel injector, which can lead to a **medium** severity level and requires **soon** repair to avoid further engine damage. The **P2195 trouble…
Introduction Encountering the P0109 code in your Chery? Here is a complete guide to its causes, symptoms, and solutions. Quick Summary: The **P0109 error** is often linked to a faulty manifold absolute pressure (MAP) sensor or barometric pressure (BARO) sensor, which can cause intermittent issues with engine performance. The severity level of this code is…
Introduction Encountering the P2196 code in your Omoda? Here is a complete guide to its causes, symptoms, and solutions. Quick Summary: The **P2196 error** is most likely caused by a faulty oxygen sensor or wiring issue, resulting in a moderate severity level that requires prompt attention to avoid damaging the catalytic converter. The **P2196 trouble…