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The most frequently encountered OBD-II codes are the P0___ powertrain series, which you can explore further down this page, along with P2___ generic and P3___ generic codes. The second most common category appears to be P1___ powertrain codes, which are specific to each vehicle manufacturer. For other OBD-II code categories, please select from B**** – B Codes – OBD-II Body Codes, C**** – C Codes – Chassis Codes, and U**** – U – Network Codes.
Understanding OBD2 DTC Codes
OBD2 (On-Board Diagnostics II) codes are standardized codes used to identify issues within your vehicle’s systems. When your check engine light illuminates, it signifies that your vehicle’s computer has detected a problem. These problems are communicated through Diagnostic Trouble Codes (DTCs). Understanding these codes is the first step in diagnosing and repairing vehicle issues.
OBD2 DTCs are categorized into four main types, indicated by the first character of the code:
- P (Powertrain): Relates to the engine, transmission, and related components.
- B (Body): Concerns systems within the vehicle body, such as airbags, power windows, and central locking.
- C (Chassis): Deals with chassis-related systems like ABS (Anti-lock Braking System), steering, and suspension.
- U (Network or Communication): Indicates issues with the vehicle’s communication network, such as CAN bus.
The subsequent characters in the DTC provide further information about the specific problem area and fault.
Generic Powertrain Trouble Codes (P0___, P2___, P3___)
This section lists the standard Diagnostic Trouble Codes (DTCs) that are universally used by vehicle manufacturers to pinpoint vehicle problems. These codes provided below are generic, meaning they are applicable across most makes and models. However, it’s important to note that vehicle manufacturers may also utilize manufacturer-specific DTC codes, which can slightly differ from the generic codes.
NOTICE: Due to the extensive number of codes in this compilation, we have organized them into multiple pages for easier navigation. Please select the code section based on the initial three characters of your code (for example, P0171 is located on the P01xx page, covering codes from P0100 to P0199):
Alt text: Check Engine Light illuminated on a car dashboard, indicating a potential OBD2 DTC code.
If you are unsure about locating your code information, we strongly advise using the search function for quicker assistance!
It is crucial to understand that the DTC codes in this list should be used for informational purposes only. We recommend confirming the generic DTC codes’ applicability to your specific vehicle before undertaking any repairs. This list is not intended as a definitive guide for vehicle repairs.
P1___ Manufacturer Specific Trouble Codes
If your Diagnostic Trouble Code (DTC) begins with P1___, it indicates a manufacturer-specific code. These codes are defined by the vehicle manufacturer and are unique to their specific makes and models. For detailed information on P1 codes, please select your vehicle’s make from the list below:
Alt text: Collection of car brand logos representing different manufacturers for accessing manufacturer-specific OBD2 codes.
NOTE: The information presented here is for informational purposes only. It is not intended as repair advice, and we are not liable for any actions taken on any vehicle. All content on this site is protected by copyright.
