Toyota OBD Codes: Meaning & Fixes
Toyota: 102 error codes with meaning, severity, likely causes and repair cost estimates.
67Codes
2.7Average severity
16%High or critical
16%DIY-friendly
Severity distribution
Generic codes with Toyota data
Field data · Toyota
Source: NHTSA Complaints API (US government open data), analyzed by DTC mention.
Most viewed
P0171
Powertrain
The engine computer is adding the maximum extra fuel it's allowed on bank 1 and still sees…
Moderate
P0325
Powertrain
The computer isn't getting a usable signal from knock sensor 1, so it pulls timing to protect…
Low
P0401
Powertrain
The ECU opened the EGR system but saw too little effect — the valve or its passages are likely…
Low
P0A80
Powertrain
The hybrid system sees weak or unbalanced modules in the high-voltage battery and flags…
Moderate
P1349
Toyota · Powertrain
Toyota's VVT-i system isn't moving the intake camshaft to the position the ECM is asking for.
Moderate
P0011
Powertrain
The bank 1 intake cam sits further advanced than the PCM asked for, usually an oil or control…
Moderate
All codes (67)
P2441
Powertrain
The air pump runs after a cold start, but the bank 1 valve won't open – no fresh air reaches…
Low
P2442
Powertrain
The bank 2 secondary air valve on a V engine doesn't seal, so exhaust pulses reach the air pump…
Moderate
P2714
Powertrain
Transmission pressure solenoid D isn't regulating pressure as commanded – a classic source…
Moderate
P2716
Powertrain
The transmission computer sees an open or short in the circuit of pressure control solenoid D.
Moderate
P3000
Toyota · Powertrain
Toyota's hybrid computer flags a fault in the high-voltage battery system and limits hybrid…
High
P3190
Toyota · Powertrain
The hybrid computer asked the gas engine for power and got less than expected.
Moderate
P3191
Toyota · Powertrain
The hybrid system spun the gas engine with its motor-generator, but the engine never fired up.
High