List of fault codes for the Howo fuel system

list of fault codes for the howo fuel system
Diagnostic Flashing CodeFault Code Description Actions of Block (Ecu) Fault Manifestation of Malfunction:
  1  P1683 Short Circuit Short On Mass Additional Motor brake Output  Alarm Off  The “mass” of the output OUT6 37  The motor brake function is not working well.
  1  P1684  SC on battery Complementary Motor Brake Output  Alarm Burns  KZ +In the exit OUT6 37  The motor brake function is not working well.
     2     P1602    Code data Qr Have not been entered    Alarm Burns    Code data Qr Have not been entered (all equal zero)   Lower output power and Increase of toxic emissions, increase of engine noise and emissions of white Smoke
     2     P0602    Data Code Qr Wrong    Alarm Burns   Code size Qr Incorrect Eeprom) KqrswShows 0, 1, 2   Lower output power and Increase of toxic emissions, increase of engine noise and emissions of white Smoke
     2     P1601   Defining data for code Qr Incorrect (change definition Code Qr Wrong   Alarm not lit, the system does not work Defining data For Code Qr Incorrect (for example, wrong order 40.80, 120,140). This will not happen in mass production.   Lower output power and Increase of toxic emissions, increase of engine noise and emissions of white Smoke
    3    P0607  Fault Cpu. Monitor the malfunction of the integrated circuit. The alarm is lit, the cruiseControl does not work, RTO stopped, fuel supply limit 70%.  Malfunction of the additional Cpu (Monitoring the computer of the main Ecu)  Lower output power and Increased toxic emissions, increased engine noise and engine stalls
    3    P0606   Fault Cpu, malfunction of the main Cpu  Alarm Burns Cruise control is not It’s working Rto MtplNovilos, fuel supply limit 70%.  Malfunction of the main Cpu (Getting Signal Additional faults Ecu) Reduced output power and increased toxic emissions, increased engine noise and engine stalls
    3    P0601  Check the area specified by the flashing code and errors  Alarm Burns Cruise control is not It’s working Rto MtplNovilos, fuel supply limit 70%.  Ecu Constantly spends Circular Check the area specified by the flashing code Reduced output power and increased toxic emissions, increased engine noise, and engine stalls
   5   P0686 Malfunction of the main relay Relay Zaliplo in Closed Able   Alarm Burns  When the relay does not work, the voltage is above 16 v. When the ignition is switched off, the fault alarm continues to burn
  6  P0217 Coolant temperature exceeds upper limitAlarm not lit, cruise control is not Works, LimitedFuel supply 70%. The coolant temperature exceeds the upper limit of 107 C.  Overheating
   7   P0219  Engine Exceeds Limit Momentum Alarm Malfunction Not lit And cruise control is disabledWarning When Speed exceeds 3000; When FrequencyRotation Below 2800, Warning DisappearsThere are no obvious malfunctions (when the engine speed is Above 2900 rpm)
  8  U0073 Error ECU CAN1 Alarm Off “Mass” of wires 157 CAN1Hand 158 CAN1L
 9 U1001 Error ECU CAN2 Alarm Burns“Mass” of wires 95 CAN2H And 96 CAN2L
  9  U0121 Abs Disconnected from the bus CANThe fault alarm is lit and the cruise control is disconnected Abs Disconnected from the bus CAN
  9  U0155 Device CAN Disconnected From Tires CANThe fault alarm is lit and the cruise control is disconnected Device CAN Disconnected from the bus CAN
  11  P0118 High coolant temperature sensor signal The fault alarm is lit and the cruise control is disconnected  Break Signal wire Circuit 155Ad7  Noise and white smoke emissions increase
  11  P0117 Low temperature sensor signal Cooling LiquidAlarm Burns Cruise control is not Works, LimitedFuel supply of 70%.  EMCO on 55A-GND5Signal Wires 155Ad7  Noise and white smoke emissions increase
   12   P0342  Sensor G does not yield ripples The fault alarm is lit and Kruizkontrol Disables   Gap Chain 120g Unstable idling speed and poor start-up (possibly with black smoke ejection)
    13    P0337   Sensor Ne does not yield ripples  Fault alarm lights, cruise control Disables And FCCB Disables    Gap Chain 40ne +  Unstable idle, poor engine start (possibly with black smoke) and engine Stalls.
    13    P0385  No sensor pulses Ne And GThe fault alarm is lit, the cruise control is switched off, FCCB Disables Pto Switched off and the motor brake is switched off   Simultaneous chain break 40Ne+ and 120G Unstable idle, poor engine start (possibly with black smoke) and engine Stalls.
  14  P0183 High oil temperature sensor signal Alarm Burns Break Signal wire Circuit 162Ad8 No visible signs of malfunction
  14  P0182 Low oil temperature sensor signal Alarm Burns EMCO on 55A-GND5Signal Wires 162Ad8 No visible signs of malfunction
   15   P2229  High atmospheric pressure sensor signal   Alarm Burns   SC on 5v internal wire signal EcuIncrease of white smoke emission, decrease of power, increase of emission toxicity, low engine power on horizontal road
     15     P2228    Low atmospheric pressure sensor signal     Alarm Burns    “Mass” of the internal signal wire Ecu Increase of white smoke emission, decrease of power, increase of emission toxicity, low engine power on horizontal road
  16  P0113 High ambient air temperature sensor signal Alarm Burns Break Signal wire Circuit 32Ad16 Increase Toxic Emissions
  16  P0112 Low ambient temperature sensor signal Alarm Burns EMCO on 55A-GND5Signal Wires 32Ad16 Increase Toxic Emissions
  17  P0523 High signal electronic pressure sensor of motor oilAlarm Burns Cruise control is not Works, LimitedFuel supply of 70%.  Emco Of 57 A-VCC4 24 ad12 Reduced engine power and increased fuel consumption
  17  P0522 Low signal of motor oil pressure electronic sensorAlarm Burns Cruise control is not Works, LimitedFuel supply of 70%.  Short Circuit 24 ad12 Reduced engine power and increased fuel consumption
    17    P0524    Low Pressure Motor Oil  The alarm is lit, the cruise control does not work, the RTO does not work, Limited tion 70% fuel supply.   Low motor oil pressure (defined Mpoilthl_D)  Reduced engine power and increased fuel consumption
     21     P0503    High frequency car speed signal   The alarm is lit and Cruise control The switch off   Input Signal 27Vs1 above normal sensor frequency Vs The cruise control function can not be used on the car.The speed shown by the speedometer is different from the actual rate.
     21     P0502   Or circuit break at the sensor inlet Speed Car   The alarm lights up and the cruise-Control off    Chain Break 27Vs1 and Kz On Mass Or+B  It does not matter if this Code Flashing is served on the stand with running drums (stand is not connected to the sensor)
     21     P0501   Wrong car speed sensor signal   The alarm lights up and the cruise control is switched off    Constant on/off state Entrance 27Vs1  It does not matter if this Code Flashing is served on the stand with running drums (stand is not connected to the sensor)
     22     P0122   Low sensor signal Provisions Accelerator pedal 1   The alarm light is on and the cruise control is switched off    Signal Wire chain Break 21Ad1  Poor quality mounts, low engine power, low engine speed, no function work Motor Brake
    22    P0123   High sensor signal Provisions Accelerator pedal 1   The alarm light is on and the cruise control is switched off   EMCO on 125A-Vcc2Signal Wires 21Ad1 Poor quality mounts, low engine power, low engine speed, no function work Motor Brake
    22    P0222   Low sensor signal Provisions Accelerator pedal 2   The alarm light is on and the cruise control is switched off   Signal wire chain Break 22Ad2 Poor quality mounts, low engine power, low engine speed, no function work Motor Brake
    22    P0223   High sensor signal Provisions Accelerator pedal 2   The alarm is lit andCruise control Disables   EMCO on 123A-Vcc3Signal Wires 22Ad2 Poor quality mounts, low power Engine, Low speed Engine does not work Motor function Brakes
    22    P0121 Poor quality mounts, low power Engine, Low speed Engine does not work Motor function Brakes
    22    P0221 Poor quality mounts, low power Engine, Low speed Engine does not work Motor function Brakes
    22    P0120 Poor quality mounts, low power Engine, Low speed Engine does not work Motor function Brakes
    22    P0220 Poor quality mounts, low power Engine, Low speed Engine does not work Motor function Brakes
   22   P2120 Inefficient dual sensor position of the accelerator pedal  The alarm is lit andCruise control Disables  Simultaneous circuit break 21Ad1 and 22Ad2 Signal WiresPoor quality mounts, low power Engine, engine speed, does not work motor function Brakes
  23  P0228 Low Signal From RtoAlarm Troubleshooting Minute Not lit and RTO not working Signal Wire Chain Break 23Ad10 Not It’s working Function Rto
  23  P0227 High Signal From RtoAlarm The malfunction is lit and Rto Whats EMCO on 65A-Vcc5Signal Wires 23Ad10 Not It’s working Function Rto
  25  P0541“Mass” of the output wire of the pre-heating relay Alarm BurnsKZ on Mass Exit 70 OUT19 And 71 OUT20 (WhenWork Glow Heating) Cold engine runs poorly
  25  P0542Rupture of the output circuit of the pre-heating/short-circuit relay on the battery  Alarm Burns Exit circuit Break 70 OUT19 and 71 OUT20 or KZ on +B Cold engine runs poorly
  26  P0563High voltage in the electric network of the car Alarm BurnsInternallyE Voltage VBB > 4 In the i.eНAprjazhenie Systemss > 32 in Engine BadAbout Starts
  26  P0562Low voltage in the electric network of the car Alarm OffInternal tension VBB < 1, 9 In the i.eVoltage в System < 15 B Engine Not good Starts
  28  P1681 Breaking the chain of motor brake or short circuit to “mass”  Alarm Burns Gap Chain 36OUT5 и KzOn Mass The motor brake function cannot be used normally.
  28  P1682Circuit on the battery of the motor brake control chain Alarm Burns KZ +In the exit 36OUT5The motor brake function cannot be used normally.
   37   P0238 High inlet air pressure sensor signal Alarm Lit, and cruise controlDisables  EMCO on 57A-Vcc4Signal Wires 128Ad3Low engine power, poor traction characteristics of the engine, especially at full load of the car.
   37   P0237 Low ambient temperature sensor signal Alarm Lit, and cruise controlDisables  Break Signal wire Circuit 128Ad3Low engine power, poor traction characteristics of the engine, especially at full load of the car.
   37   P0236  Works poorly Inlet pressure sensor Air Fault alarm is not lit And Cruise control Disables  128 Signal WireAd3 is loaded with alternating internal voltage of 5 V.Low engine power, poor traction characteristics of the engine, especially at full load of the car.
  39  P0234 Pressure sensor signal Inlet Air exceeds the upper limitThe alarm is not lit, Cruise control Does not work, the fuel supply limit is 70%.  PIM>TBOPH (MAP)exceeds the upper limit
  39  P0299 Pressure sensor signal Inlet Air below the lower limitAlarm not lit, Cruise control Does not work, the fuel supply limit is 70%.  PIM<TBOPL (MAP)Above the upper limit
  41  P0704 Fault in the chain of the limit switch of the clutch The alarm is lit andCruise control Disables  Chain Break 77 Sw27 (Car speed> 80 km/h)Poor quality mounts (cruise control and motor brake not working, etc.)
   43   P1565  Malfunction in Circuit Breaker Cruise control The fault alarm is lit andCruise control DisablesKz On +B Wire 79 switch Cruise Control 2Sw and 92 switch Cruise control 1Sw, Or you want to press During the Long time  Abnormal Work Cruise- Control
  44  P1143 High sensor signal Potentiometer Idle Alarm Off EMCO on 65A-Vcc5Signal Wires 30Ad14
  44  P1142 Low sensor signal Potentiometer Idle Alarm Off Signal Wire Circuit Break 30Ad14
  45  P0617  Emco Of AkbSwitch Ignition  Alarm Burns  Chain Break 48Sw2 and KZ on the supply voltage on the wire 48
  46  P1530 Jamming switch Engine Stuck or Closed  Alarm Burns  50SW4 ON  Abnormal flame ejection from the engine
  47  P0850 Circuit malfunction Switch neutral Transfer The alarm light is on and the cruise control is switched off Chain Break 66 Sw9 (speed Car > 80 km/h) Bad work functions RTO, cruise control, etc.
   51   P0201 Rupture of the nozzle outlet circuit TWV1 and Detaching Electromagnetic Winding NozzlesAlarm Burns Cruise control is not It’s working FCCB Not It’s working Feed limit Fuel 70%.   Gap Chain 103 TWV1 Reduced output power and increased toxic emissions, increased engine noise
   52   P0202 Rupture of the nozzle outlet circuit TWV5 and disconnection of the electromagnetic winding nozzleAlarm Burns Cruise control is not It’s working FCCB Not It’s working Feed limit Fuel 70%.   Gap Chain 105 twv5 Reduced output power and increased toxic emissions, increased engine noise
   53   P0203 Rupture of the nozzle outlet circuit TWV3 and disconnection of the electromagnetic winding nozzleAlarm Burns Cruise control is not It’s working FCCB Not It’s working Feed limit Fuel 70%.   Gap Chain 104 Twv3 Reduced output power and increased toxic emissions, increased engine noise
    54    P0204  Rupture of the nozzle outlet circuit TWV6 and disconnection of the electromagnetic winding nozzle Alarm Burns Cruise control is not It’s working FCCB Not It’s working Feed limit Fuel 70%.   Gap Chain 139 Twv6  Reduced output power and increased toxic emissions, increased engine noise
    55    P0205 Rupture of the nozzle outlet circuit TWV3 and disconnection of the electromagnetic winding nozzle Alarm Burns Cruise control is not It’s working FCCB Not It’s working Feed limit Fuel 70%.   Gap Chain 137 Twv2 Reduced output power and increased toxic emissions, increased engine noise
   56   P0206 Rupture of the nozzle outlet circuit TWV4 and disconnection of the electromagnetic winding nozzleAlarm Burns Cruise control is not It’s working FCCB Not It’s working Feed limit Fuel 70  Gap Chain 138 TWV4 Lower output power and Increased toxic Emissions and increased engine noise
    57    P2148   Circuit on the battery of the nozzle chain Com1/KZ on battery Outputs TWV1 3 и 5  Alarm Burns Cruise control is not It’s working FCCB Not It’s working Fuel supply limit 50%.  Kz On +B Wires 106, 107 nozzles Com1 / Kz On +B On Wires 103, 104 and 105 Reduced output power and increased toxic emissions, increased engine noise
    57    P2147   “Mass” of the nozzle chain Com1/KZ on the output battery TWV1, 3 and 5  Alarm Burns Cruise control is not It’s working FCCB Not It’s working Fuel supply limit 50%.  “Mass” in points 106, 107 nozzles Com1 / Kz On +B в Points 103, 104 и 105 Reduced output power and increased toxic emissions, increased engine noise
    57    P2146  Break the output circuit under the nozzle load Com1/Break the output circuit under load TWV1, 3, 5  Alarm Burns Cruise control is not It’s working FCCB Not It’s working Fuel supply limit 50%.   Chain Break 106, 107 Nozzles Com1/Chain break 103, 104 и 105 Reduced output power and increased toxic emissions, increased engine noise
    58    P2151   Circuit on the battery of the nozzle chain Com2/KZ on battery Outputs TWV2 4 и 6  Alarm Burns Cruise control is not It’s working FCCB Not It’s working Fuel supply limit 50%.  Kz On +B Wires 142, 143 Nozzles Com2 / Kz On +B Wires 137, 138and 139 Reduced output power and increased toxic emissions, increased engine noise
    58    P2150   “Mass” of the nozzle chain Com2/KZ on the output battery TWV2, 4 and 6  Alarm Burns Cruise control is not It’s working FCCB Not It’s working Fuel supply limit 50%.  “Mass” of wires 142, 143 Nozzles Com2/short-circuit on the “mass” of wires 137, 138 and 105 Reduced output power and increased toxic emissions, increased engine noise
   58   P2149 Break output circuit Under Load Com2/Load Break circuit TWV2, 4, and 6Alarm Burns Cruise control is not It’s working FCCB Not It’s working Fuel supply Limit 50%  Chain Break 142, 143 Nozzles Com2/Chain Break 137, 138 и 139Reduced output power and increased toxic emissions increase engine noise
    59    P0611   Fault Chain Charge Condenser Alarm Burns Cruise control is not It’s working FCCB Not It’s working 50% fuel supply limit and low pressure limit    Internal Fault Ecu Reduced output power and increased toxic emissions, increased engine noise
    59    P0200   Fault Chain Charge Condenser Alarm Burns Cruise control is not It’s working FCCB Not It’s working Fuel supply limit 51% and low Limitations- tion Pressure    Internal Fault Ecu Reduced output power and increased toxic emissions, increased engine noise
     61     P0301    Circuit malfunction ToplivopoCylinder 1   Alarm Not lit, And the system does not work   The nozzle is damaged, Injection No fuel (definitionBut FCCB) Engine shaking at idle, low engine power at full load, increased fuel consumption compared to normal conditions
  61  P0263 It’s working Damper Flow№1 Alarm not litAnd the system does not workThe damper starts to act and the nozzle stops injectioning the fuel
     62     P0305    Circuit malfunction Toplivopo Cylinder Giving 5   Alarm not lit And the system does not work   Nozzle damaged, no fuel injection (DetermineLeno FCCB) Engine shaking at idle, low engine power at full load, increased fuel consumption compared to normal conditions
  62  P0266 It’s working Damper Flow№5 Alarm not lit And the system does not workThe damper starts to act and the nozzle stops injectioning the fuel
      63      P0303     Circuit malfunction Fuel Cylinder 3     Alarm not litAnd the system does not work     Nozzle damaged, no fuel injection (DetermineLeno FCCB)  Engine shaking at idle, low engine power at full load, increased fuel consumption compared to normal conditions
  63  P0269 It’s working Damper Flow № 3 Alarm not litAnd the system does not workThe damper starts to act and the nozzle stops injectioning the fuel
      64      P0306     Circuit malfunction Fuel Cylinder 6     Alarm not litAnd the system does not work     Nozzle damaged, no fuel injection (DetermineLeno FCCB)  Engine shaking at idle, low engine power at full load, increased fuel consumption compared to normal conditions
  64  P0272 It’s working Damper Flow № 6 Alarm not litAnd the system does not workThe damper starts to act and the nozzle stops injectioning the fuel
      65      P0302     Circuit malfunction Fuel Cylinder 2     Alarm not litAnd the system does not work     Nozzle damaged, no fuel injection (DetermineLeno FCCB)  Engine shaking at idle, low engine power at full load, increased fuel consumption compared to normal conditions
  65  P0275 It’s working Damper Flow № 2 Alarm not litAnd the system does not workThe damper starts to act and the nozzle stops injectioning the fuel
      66      P0304     Fuel circuit malfunction Cylinder 4     Alarm not litAnd the system does not work     Nozzle damaged, no fuel injection (DetermineLeno FCCB)  Engine shaking at idle, low engine power at full load, increased fuel consumption compared to normal conditions
  66  P0278 It’s working Damper Flow№4 Alarm not litAnd the system does not workThe damper starts to act and the nozzle stops injectioning the fuel
     67     P0193   High pressure sensor signal in the fuel cellThe alarm is lit, the cruise control does not work, the fuel supply limit is 70%, the pressure limit in the fuel accumulator is up to 80 MPa   Simultaneous break of signal wires circuit 21Ad1 and 132Ad5 Reduced output power and increased toxic emissions (with white smoke emissions), increased engine noise
     67     P0192   Low pressure sensor signal in the fuel cellThe alarm is lit, the cruise control does not work, the fuel supply limit is 70%, the pressure limit in the fuel accumulator is up to 80 MPa   Simultaneous short-circuit on 134A-Gnd1121 Signal WiresAd4 and 132Ad5 Reduced output power and increased toxic emissions (with white smoke emissions), increased engine noise
     67     P0191   The pressure sensor signal in the fuel accumulator in the Intermediate RangeThe alarm is lit, the cruise control does not work, the fuel supply limit is 70%, the pressure limit in the fuel accumulator is up to 80 MPa   The sensor is defective and the output Voltageremains unchanged Reduced output power and increased toxic emissions (with white smoke emissions), increased engine noise
    68    P0088  The pressure in the fuel accumulator exceeds the upper limitThe alarm is lit, the cruise control does not work, the fuel supply limit is 70%, the pressure limit in the fuel accumulator is up to 80 MPa   The pressure in the fuel accumulator exceeds 191 Mpa Reduced power output, increased toxic emissions and white smoke emissions
    69    P1089  The pressure in the fuel accumulator exceeds the upper limit Alarm Burns Cruise control is not It’s working 70% fuel supply limit, fuel cell pressure limit To 80 Mpa  Pressure in FuelsBattery exceeds 180 MPa Reduced power output, increased toxic emissions and white smoke emissions
    71    P0629    Output circuit Pcv1 and SC on battery  The alarm is lit, the cruise control does not work, the fuel supply limit is 70%.    Kz On +В Contacts 152, 153 Pcv1 Reduced output capacity and increased toxic emissions, increased fuel consumption
    71    P0628   Chain break Pcv1 and KZ on Mass  The alarm is lit, the cruise control does not work, the fuel supply limit is 70%.   Chain Break 152, 153 Pcv1 or KZ On Mass Reduced output capacity and increased toxic emissions, increased fuel consumption
    72    P2634    Output circuit Pcv2 and KZ on battery  The alarm is lit, the cruise control does not work, the fuel supply limit is 70%.    Kz On +В Contacts 150, 151 Pcv2 Reduced output capacity and increased toxic emissions, increased fuel consumption
   72   P2633   Output circuit Pcv2 and KZ to “mass” The alarm is lit, the cruise control does not work, the fuel supply limit is 70%.  Chain Break 150, 151 Pcv2 or short-circuit on MassReduced output capacity and increased toxic emissions, increased fuel consumption
    73    P0629    EMCO of ACBPower Pcv1 and Pcv2  The alarm is lit, the cruise control does not work, the RTO does not work, the fuel supply limit is 50% and the engine is immediately stalls.   Simultaneous short-circuit on + in wires 152, 153, 150, 151, Pcv1 and Pcv2 Reduced power output, start-up difficulty Engine, increase of flow rate Fuel toxic emissions
      73      P0628     Break out Circuit Pcv1 and Pcv2 and KZ on Mass  Alarm Burns Cruise control is not It’s working RTO not Works, Limited50% fuel supply and the engine is immediately Stalls.    Simultaneous break of the circuit 152, 153, 150, 151, Pcv1 andPcv2 or short-circuit on Mass  Reduced output power, difficulty starting the engine, increased fuel consumption And Increased toxic emissions
     76     P2635   The fuel pump load control circuit is overloaded Alarm Burns Cruise control is not It’s working Fuel supply limit 70%, OgreLimiting pressure in the fuel cellTo 80 Mpa   Mechanical malfunction of fuel pump in overload conditions Reduced output power and increased toxic emissions, increased engine noise, engine stalls
     76     P1088   The fuel pump control system exceeds the permissible pressure Alarm Burns Cruise control is not It’s working Fuel supply limit 70%, OgreLimiting pressure in the fuel cellTo 80 Mpa   Excess pressure in Fuel Battery Npc> Pfin+ 15 MPa Reduced output power and increased toxic emissions, increased engine noise, engine stalls
    77    P1266  Fuel pump control without loadAlarm Burns Cruise control is not It’s working Fuel supply limit 70%, OgreLimiting pressure in the fuel cellTo 80 Mpa  Fuel pump control system can not increase the angle of injection Reduced power output, increased toxic emissions and white smoke emissions
    78    P0093  Fuel pump control without load, Including Leaks FuelAlarm Burns Cruise control is not It’s working Fuel supply limit 70%, OgreLimiting pressure in the fuel cellTo 80 Mpa   Fuel pump without load, including fuel leakage Reduced power output, increased toxic emissions and white smoke emissions