P0333 on Toyota Tacoma
Knock/Combustion Vibration Sensor B Circuit High
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Toyota Tacoma context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0333.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What P0333 Means on Your Toyota Tacoma
P0333 is a diagnostic trouble code indicating: Knock/Combustion Vibration Sensor B Circuit High. This code relates to the ignition system system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real Toyota Tacoma Owner Reports
Source: NHTSA Complaints Database
"Took our 2005 toyota truck into the toyota dealer for a check engine light p0333. they said that it was a cable that was previously replaced by another toyota dealer due to rodent damage."
"Some of the interior door light switches don't light @ night. I can probably take the door panel off & fix it... (buy bulbs)...? Door hinge on the gas cap breaks way to easily. Could fly off & hit someone\thing... Clunking sound coming from the rear end & I can't find where it's coming from..."
"Rodents ate wiring harness in engine compartment, while driving in the city, the trac and check engine light cane on. i returned home and retrieved error code p0333 on my reader. i took vehicle to doxon toyota for service / repair."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Toyota Tacoma
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.