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🚗 TOYOTA TACOMA — Diagnostic Trouble Codes

9 diagnostic trouble codes have been reported by TOYOTA TACOMA owners to NHTSA. Click any code for detailed reports and causes specific to this vehicle.

Code Description Reports
P2442 AIR System Switching Valve Stuck Open Bank 2 84
P2440 AIR System Switching Valve Stuck Open Bank 1 57
P2441 AIR System Switching Valve Stuck Closed Bank 1 6
P2445 AIR System Pump Stuck Off Bank 1 4
P0333 Knock/Combustion Vibration Sensor B Circuit High 3
P2443 AIR System Switching Valve Stuck Closed Bank 2 3
P0420 Catalyst System Efficiency Below Threshold Bank 1 2
P2438 AIR System Air Flow/Pressure Sensor Circuit High Bank 2 2
P0418 AIR System Control A Circuit 2

Report counts based on NHTSA owner complaints. Codes are linked to the generic DTC code page for more information.

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  1. 1
    Find your code above

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  2. 2
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  3. 3
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