Toyota OBD Codes: Meaning & Fixes

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 P0A80 Powertrain The hybrid system sees weak or unbalanced modules in the high-voltage battery and flags… Moderate P0401 Powertrain The ECU opened the EGR system but saw too little effect — the valve or its passages are likely… Low 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

B0111 Toyota · Body The airbag computer sees a break in the firing circuit of the right front seat's side airbag. High B1650 Toyota · Body The airbag computer got an error from the passenger seat weight sensors and can't classify… Moderate B1801 Toyota · Body The airbag computer measured a break in the driver airbag's firing loop through the steering… High C1223 Toyota · Chassis The stability control side of the system has been told that ABS has a fault, so VSC and TRAC… Moderate C1252 Toyota · Chassis The brake pressure pump ran far longer than normal without reaching or holding its target… High C1253 Toyota · Chassis The brake ECU sees a pump motor relay or its monitor line not doing what it was told to do. Moderate C1256 Toyota · Chassis The brake system's high-pressure accumulator is below its minimum, so power brake assist can't… Critical C1300 Toyota · Chassis The ABS/VSC computer failed its own internal self-test and has shut down ABS and stability… Moderate C1391 Toyota · Chassis The hybrid brake system is losing stored hydraulic pressure internally, so the pump keeps… High 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 P0305 Powertrain Cylinder 5 is misfiring. First job: work out which bank it sits on, because that decides what… Moderate P0607 Powertrain A general internal performance check in the engine computer failed – supply, grounds… Moderate P0A0F Powertrain The hybrid system spun the gas engine with its motor-generator to start it, but the engine… High P0A7E Powertrain The high-voltage battery got too hot. A clogged cooling intake or dirty fan is the usual cause. Moderate P0A7F Powertrain The battery computer has calculated that the whole high-voltage pack has worn past its usable… Moderate P0A80 Powertrain The hybrid system sees weak or unbalanced modules in the high-voltage battery and flags… Moderate P0A93 Powertrain The inverter's separate coolant loop isn't carrying heat away – usually a dead electric… High P0A94 Powertrain A hybrid voltage converter isn't delivering the voltage it should – on Toyotas, the boost… High P0AA6 Powertrain High voltage is leaking toward the car body somewhere – an insulation fault that must be found… High P1300 Toyota · Powertrain Toyota's ECM fires ignition coil No. 1 but gets no confirmation pulse (IGF) back from its… Moderate P1305 Toyota · Powertrain The igniter in Toyota coil No. 2 stops confirming its sparks, often only once the engine is hot. Moderate P1310 Toyota · Powertrain No spark confirmation from one Toyota coil: No. 3 on four-cylinders, but a different coil… Moderate P1346 Toyota · Powertrain Toyota's ECM sees the intake cam signal in the wrong place relative to the crankshaft signal. Moderate P1349 Toyota · Powertrain Toyota's VVT-i system isn't moving the intake camshaft to the position the ECM is asking for. Moderate P1354 Toyota · Powertrain On a Toyota V6 or V8, the bank 2 intake camshaft isn't reaching the timing the ECM commands. Moderate P1603 Toyota · Powertrain Toyota's ECM logged that the engine stopped by itself while running, without the key being… Moderate P1604 Toyota · Powertrain Toyota's ECM recorded a start that took too long, failed, or died within seconds of firing. Moderate P2102 Powertrain Too little current or voltage reaches the throttle motor – usually resistance in the feed, not… Moderate P2103 Powertrain The throttle motor circuit draws too much current – a short, a shorted motor or a plate that… Moderate