You can find common Toyota Tundra fault codes on this page that when clicked take you to a detailed description.
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Toyota Tundra Recalls
When a car manufacturer detects a problem with a model they put out a recall notice and more often than not offer to fix the problem free of charge.
You can check to see if your Toyota Tundra has any recall notices on our sister site AutoRecalls.co, sorted by model year.View Toyota Tundra Recalls »
Common Tundra Fault Codes
These are the most common Tundra fault codes that people are searching for.
Secondary Air Injection System Relay A circuit MalfunctionLearn More
Heated Oxygen Sensor (HO2S) Heater Circuit Low Voltage Bank 1 Sensor 2Learn More
Secondary Air Injection System Switching Valve A Circuit MalfunctionLearn More
Heated Oxygen Sensor (HO2S) Heater Circuit Low Voltage Bank 2 Sensor 1Learn More
Vehicle Speed Sensor MalfunctionLearn More
O2 Sensor Circuit Malfunction (Bank 1 Sensor 2)Learn More
O2 Sensor Circuit Malfunction (Bank 2 Sensor 2)Learn More
Insufficient Coolant Temperature for Closed Loop Fuel ControlLearn More
Brake Switch A / B CorrelationLearn More
Camshaft Position Sensor B Circuit High Input (Bank 2)Learn More
Knock Sensor 2 Circuit High Input (Bank 2)Learn More
Secondary Air Injection System Relay B Circuit MalfunctionLearn More
Input/Turbine Speed Sensor Circuit No SignalLearn More
Shift Solenoid D Performance or Stuck OffLearn More
Cylinder 8 Misfire DetectedLearn More
Exhaust Gas Recirculation Flow Excessive DetectedLearn More
Shift Solenoid D Control Circuit HighLearn More
Shift Solenoid A Control Circuit HighLearn More
Throttle Pedal Position Sensor/Switch A Circuit MalfunctionLearn More
Code Word UnregesteredLearn More
SBDS Interactive CodesLearn More
Knock Control CPU.Learn More
Magnetic Clutch Circuit.Learn More
Evaporative Emission Control System Leak DetectedLearn More
Throttle position (TP) sensor/mass air flow (MAF) sensor – implausible signalLearn More
Purge Flow Sensor Circuit High InputLearn More
Engine Coolant Temperature Circuit Low InputLearn More
Lamp Turn Signal Front Output Circuit Short To GroundLearn More
O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)Learn More
ABS Hydraulic Pressure Differential Switch Input Short Circuit To GroundLearn More
Passenger Power Window Motor Circuit Short To GroundLearn More
Wiper Rear High Limit Input Circuit FailureLearn More
Wiper Rear Motor Up Relay Coil Circuit Short To GroundLearn More
Lamp Backup Switch Input Circuit OpenLearn More
Lamp Turn Signal Front Output Circuit Short To BatteryLearn More
ABS Outlet Valve Coil RR Circuit Short To GroundLearn More
ABS Outlet Valve Coil RR Circuit FailureLearn More
ABS Inlet Valve Coil LF Circuit Short To GroundLearn More
Damper LR Circuit FailureLearn More
ABS Outlet Valve Coil Rear Circuit OpenLearn More
Torque Converter Clutch Circuit Performance or Stuck OffLearn More
Exhaust Camshaft Position Timing - Over-Retarded (Bank 1)Learn More
Transmission control module (TCM) – EEPROM malfunctionLearn More
Yaw Rate Sensor Signal FaultLearn More
Air/Fuel Sensor Heater Circuit Response. (Bank 1 Sensor 1)Learn More
O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)Learn More
Lost Communication With Brake System Control ModuleLearn More
- Manufacturer: Toyota
About the Tundra
The Tundra made its debut in 1999. The pickup truck, which is manufactured in and for the American market, has seen three generations since then. The latest of these was released in 2021.
The model has seen a decent amount of acclaim over the years, even being named Motor Trend magazine’s Truck of the Year in both 2000 and 2008.
Given that the model is only sold in America, its competition comes solely from other popular pickups sold there. These include the Ford F-150, Chevrolet Silverado, and RAM 1500. It also shares a number of similarities with the Toyota Sequoia.
The most common of these issues is fault code P0441, which represents an issue with the evaporative emissions control (EVAP) system purge flow. Like a number of Toyota models, a faulty purge control valve is one of the most likely causes of this issue. Another simple fix owners have found is replacing the fuel cap.
Another common and relatively mild code is P0418, which indicates an issue with the secondary air injection system circuit. This most commonly affects the 4.7 and 5.7-liter engine models.
Tundra owners have found that a faulty air pump is one of the most common causes of this issue.
Unfortunately, there is another fault code that affects the model which is significantly more serious. Fault code P0420 indicates a problem with the catalytic converter in bank 1 of the engine.
This indicates that the catalytic converter is not performing properly, likely indicating that this expensive component is failing. Luckily, another much cheaper fix is done by replacing the oxygen sensors in the exhaust. Exhaust leaks can also be one of the main causes of the issue.
Because this code can damage the catalytic converter, it should be addressed quickly.