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
P0011
Powertrain
The bank 1 intake cam sits further advanced than the PCM asked for, usually an oil or control…
Moderate
P0171
Powertrain
The engine computer is adding the maximum extra fuel it's allowed on bank 1 and still sees…
Moderate
P0A0F
Powertrain
The hybrid system spun the gas engine with its motor-generator to start it, but the engine…
High
P0A93
Powertrain
The inverter's separate coolant loop isn't carrying heat away – usually a dead electric…
High
P0440
Powertrain
Catch-all EVAP code: the system failed its self-check. Start with the gas cap, then check hoses…
Minor
P0A94
Powertrain
A hybrid voltage converter isn't delivering the voltage it should – on Toyotas, the boost…
High
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