BYD Fault Codes 

Code Description Cause of occurrence


P0105 too high air pressure in the intake manifold. 1. Short circuit between terminals A, B or + 12V power supply of the sensor temperature and pressure of the intake air.


2. Failure of the sensor temperature and pressure of the intake air.


3. Failure of the electronic control unit.


Too low a pressure in the intake manifold. 1. Open circuit between the terminals A, B or D sensor temperature and pressure of the intake air.


2. Short-circuit the contacts A and D in the sensor temperature and pressure of the intake air.


3. Failure of the temperature sensor and the pressure of the intake air.


4. Failure of the electronic control unit.




Code Description Cause of occurrence


P0110 Too low air temperature in the intake manifold. 1. Short circuit between terminals C, B or + 12V power supply of the sensor temperature and pressure of the intake air.


2. Open circuit between terminal C in the temperature sensor and the intake air pressure and an electronic control unit.


3. Failure of the temperature sensor and the pressure of the intake air.


4. Failure of the electronic control unit.


Too high a temperature in the intake manifold. 1. Shorting C and D in the sensor temperature and pressure of the intake air.


3. Failure of the temperature sensor and the pressure of the intake air.


4. Failure of the electronic control unit.

No Signal P0115 coolant temperature. 1. Open circuit between the coolant temperature sensor and an electronic control unit.


Too low a coolant temperature. 1. Short circuit between terminals A and C or open circuit between the coolant temperature sensor and an electronic control unit.


2. Refusal coolant temperature sensor.


3. Failure of the electronic control unit.


Too high temperature of the coolant. 1. Short circuit between signal wire coolant temperature sensor and the ground.


2. Refusal coolant temperature sensor.


3. Failure of the electronic control unit.


P0120 Too high signal throttle position. 1. Short-circuit between the electronic control unit and terminal C or A (+ 12V), the throttle position sensor, or open circuit of the TP sensor.


2. Refusal throttle position sensor.


3. Failure of the electronic control unit.


Too low throttle position signal. 1. Short circuit between terminals C and B in the throttle position sensor.


P0130 No signal from the front oxygen sensor. 1. Open circuit between the electronic control unit and terminal A or B of the front oxygen sensor.


P0135 Short circuit between the battery and the front oxygen sensor heater. 1. Short-circuit between the battery and the contact C heater front oxygen sensor.


Short circuit or open circuit between ground and the front oxygen sensor heater. 1. Short circuit or open circuit between ground and terminal C of the front oxygen sensor.


P0136 Too long duration of the enrichment of the fuel-air mixture in the rear oxygen sensor. 1. Short circuit between contacts B and + 5V power supply (or + 12V) of the rear oxygen sensor.


2. Failure of the fuel system.


Too long duration of lean fuel-air mixture in the rear oxygen sensor. 1. Short circuit between ground and terminal B rear oxygen sensor.


2. Failure of the fuel system.


No signal from the rear oxygen sensor. 1. Open circuit between the electronic control unit and the contacts A, B rear oxygen sensor.


P0141 Short circuit between the battery and the rear oxygen sensor heater. 1. Short-circuit between the battery and the contact C rear oxygen sensor.


Short circuit or open circuit between ground and the rear oxygen sensor heater. 1. Short circuit or open circuit between ground and terminal C rear oxygen sensor.

Code Description Cause of occurrence


P0170 Too long duration of the enrichment of the fuel-air mixture in the front oxygen sensor. 1. Short circuit between contacts B and + 5V power supply (or + 12V) of the front oxygen sensor.


2. Failure of the fuel system.


Too long duration of lean fuel-air mixture in the front oxygen sensor. 1. Short circuit between ground and terminal B of the front oxygen sensor.


2. Failure of the fuel system.


P0201 failure of the fuel injector A (cylinder 1). 1. Faulty cable tire fuel injectors.


2. Failure of the fuel injector nozzle.


P0202 failure of the fuel injector B (cylinder 3). 1. Faulty cable tire fuel injectors.


2. Failure of the fuel injector nozzle.


P0203 failure of the fuel injector of C (cylinder 4). 1. Faulty cable tire fuel injectors.


2. Failure of the fuel injector nozzle.


P0204 failure of the fuel injector, D (cylinder 2). 1. Faulty cable tire fuel injectors.


2. Failure of the fuel injector nozzle.


Failure P0230 Fuel Pump. 1. Faulty fuel pump relay cable or bus.


2. Malfunction of the fuel pump.


P0325 No signal from the knock sensor. 1. Faulty cable bus.


2. Improper installation of the knock sensor on the engine.


3. Damaged knock sensor.


P0335 No signal from the sensor of the angular position of the crankshaft. Faulty cable bus.


Fault P0335 Sensor angular position of the crankshaft. 1. Faulty cable bus.


2. Faulty sensor angular position of the crankshaft.


P0342 Permanent low signal from the camshaft position sensor. 1. Faulty cable bus.


2. Failure of the camshaft sensor.


P0343 Permanent high signal from the camshaft position sensor. 1. Faulty cable bus.


2. Failure of the camshaft sensor.


P0351 Short circuit between the battery and ignition coil (cylinders 1-4). Short circuit between the battery and ignition coil (cylinders 1-4).


Short circuit or open circuit between the battery and ignition coil (cylinders 1-4). Short circuit or open circuit between the battery and ignition coil (cylinders 1-4).


P0352 Short circuit between the battery and ignition coil (cylinders 2-3). Short circuit between the battery and ignition coil (cylinders 2-3).


Short circuit or open circuit between the battery and ignition coil (cylinders 2-3). Short circuit or open circuit between the battery and ignition coil (cylinders 2-3).


P0443 Short circuit between the battery and the charcoal filter. Short circuit between the battery and the cable bus charcoal filter.


Short circuit or open circuit between ground and a charcoal filter. 1. Short circuit between ground and the cable bus charcoal filter.


2. No contact on the connector.


3. The control valve is damaged carbon filter.


Failure P0480 impeller cooling radiator. 1. Faulty cable bus.


2. Failure of the impeller cooling radiator.


Failure P0481 left cooling fan. 1. Damage to the cable bus left cooling fan.


2. Failure of the fan relay (# 2).




Code Description Cause of occurrence


P0500 No signal from the speed sensor. 1. Damage to the cable bus speed sensor.


2. Damage to the speed sensor.


P0505 Fault management of engine work idling. 1. Damage to the bus cable or improperly connecting.


2. Air leak in the intake system, or stuck valve adjust the engine speed at idle.


3. Damaged valve controls the engine speed at idle.


P0560 too high output voltage of the battery. 1. Installed the battery does not meet specifications.


2. Faulty cable bus alternator.


3. Faulty voltage regulator alternator.


P0607 Fault control detonation. System error.


P0650 Failure indicator. 1. Faulty cable tire indicators.


2. Problem combo box instruments.


Failure P1230 main relay. The fault relay.


Damage to the bus cable of the main relay.


Failure P1530 conditioning system. 1. Damage to the cable bus air conditioner.


2. Failure relay conditioning system.


Failure P1604 EEPROM. Failure of the electronic control unit.


P1605 failed electrically erasable programmable flash memory. Failure of the electronic control unit.