The P0174 is a generic OBD-II powertrain trouble code. Its official definition is “System Too Lean (Bank 2)”.
How to Choose the Right OBD2 Scanner for Your Windows PC
Basic Fault Code Reading/Clearing Options: USB OBD2 Scanner
Real-Time Data Monitoring and Recording Options: USB or Bluetooth OBD2 Scanner
Wireless Convenience Options: Bluetooth/WiFi OBD2 Scanner
Advanced Diagnostics (ABS, SRS, Coding) Options: Professional OBD2 Scanner
The P0169 is a generic OBD-II powertrain trouble code. Its official definition is “Incorrect Fuel Composition”.
The P0168 is a generic OBD-II powertrain trouble code. Its official definition is “Fuel Temperature Too High”.
The P0161 is a generic OBD-II powertrain trouble code. Its official definition is “O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)”.
The P1064 is a P1xxx powertrain diagnostic trouble code, which makes it Manufacturer-Specific (OEM-Defined) — not an SAE/ISO generic code — so its exact “official definition” depends on the brand.
The P1063 is a P1xxx powertrain diagnostic trouble code, which makes it Manufacturer-Specific (OEM-Defined) — not an SAE/ISO generic code — so its exact “official definition” depends on the brand.
The P105B is a P1xxx powertrain diagnostic trouble code. Its official definition is “Variable Valve Timing (VVT) Control Module — Internal Fault, Current / Voltage Too Low” (also documented as Internal Control Module VVT Error, Voltage Too Low).
The P1059 is a P1xxx powertrain diagnostic trouble code. Because the second digit is “1”, it is officially classified as Manufacturer-Specific (OEM-Defined) — not an SAE/ISO standardized generic code — so the exact meaning depends on the vehicle brand. The most widely documented OEM definitions are