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P0333 on TOYOTA TACOMA

Knock/Combustion Vibration Sensor B Circuit High

NHTSA Reports
3
Severity
Medium
Most Affected
2005, 2008, 2014
Crashes / Fires
0 / 0
Source: NHTSA Complaints Database · SAE J2012

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.

3 TOYOTA TACOMA owners have reported this issue to NHTSA across model years 2005-2014. Most reports come from the 2005, 2008 model years.

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."

— 2005 TOYOTA TACOMA owner · ELECTRICAL SYSTEM · Filed 06/27/2014

"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..."

— 2008 TOYOTA TACOMA owner · EXTERIOR LIGHTING,STRUCTURE · Filed 11/03/2024

"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."

— 2014 TOYOTA TACOMA owner · ELECTRICAL SYSTEM,ELECTRONIC STABILITY CONTROL (ESC) · Filed 01/01/2016

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

1
'05
1
'08
1
'14

Common Causes on TOYOTA TACOMA

Based on NHTSA complaint component analysis for this vehicle.

ELECTRICAL SYSTEM 33.3%
EXTERIOR LIGHTING,STRUCTURE 33.3%
ELECTRICAL SYSTEM,ELECTRONIC STABILITY CONTROL (ESC) 33.3%

What To Do Next

  1. 1
    Check for recalls on YOUR VIN

    Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.

  2. 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.

  3. 3
    Compare repair quotes

    Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does P0333 mean on a TOYOTA TACOMA?
P0333 indicates: Knock/Combustion Vibration Sensor B Circuit High. This is a ignition system code. 3 TOYOTA TACOMA owners have reported this to NHTSA.
What are the most common causes of P0333 on TOYOTA TACOMA?
Based on 3 NHTSA reports, the most commonly cited components are: Electrical System, Exterior Lighting,Structure, Electrical System,Electronic Stability Control (Esc). These percentages are based on the component field in owner complaints.
Is P0333 serious on my TOYOTA TACOMA?
Of 3 NHTSA reports for this code on TOYOTA TACOMA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.
What should I do if my TOYOTA TACOMA shows P0333?
1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.

P0333 on Other Vehicles