OBD fault code library

Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.

Free on OBD DashX

Looking for real-world repair data?

OBD DashX shows which problems come with each code, how often they show up in other vehicles, and how to fix them — step by step.

  • Real-world fix data
  • How often it happens
  • Step-by-step repairs
Browse codes on OBD DashX No sign-up needed · available in 10 languages
P1156 Fuel Selector Switch Circuit
Toyota Fuel and Air Metering Medium severity
P1159 Air/Fuel Ratio Sensor 1 AFS Terminal Low Voltage
Toyota Fuel and Air Metering High severity
P1160 Intake Air Temperature Sensor Short To Ground
Toyota Fuel and Air Metering High severity
P1162 Air/Fuel Ratio Sensor 1 Circuit Malfunction
Toyota Fuel and Air Metering High severity
P1163 Heated Oxygen Sensor 1 Lean Shift Monitoring Bank 2
Toyota Fuel and Air Metering Medium severity
P1164 Air/Fuel Ratio Sensor 1 Range/Performance Problem
Toyota Fuel and Air Metering High severity
P1166 Air/Fuel Ratio Sensor 1 Heater Circuit Malfunction
Toyota Fuel and Air Metering High severity
P1167 Heated Rear Oxygen Sensor 2 Maximum Voltage Monitoring Bank 2
Toyota Fuel and Air Metering Medium severity
P1169 Fuel Rail Sensor In-Range High Failure
Toyota Fuel and Air Metering High severity
P1170 Port Injector Fuel Performance
Toyota Injector Circuit High severity
P1171 Rotor Sensor Fault
Toyota Ignition System High severity
P1172 Rotor Control Fault
Toyota Ignition System High severity
P1173 Rotor Calibration Fault
Toyota Ignition System High severity
P1174 Cam Sensor Fault
Toyota Ignition System High severity
P1176 Cam Calibration Fault
Toyota Ignition System High severity

Search fault codes

Scan your own car

Read and clear fault codes, live data and service resets with the CaRPM app.