OBD2 Diagnostic Trouble Codes (DTC)
Foton BJ3251 List of fault codes for the ECU and the engine
Table of flashing fault codes – ECU and Engine
| Description Fault | Possible Reasons Fault |
| 1-1-1 | The problem with the built-in analog-to-digital converter (Ad) Ecu |
| 1-1-2 | Problem With Synchronization Signals |
| 1-1-3 | Problem With Synchronization Signals |
| 1-1-4 | Problem With Synchronization Signals |
| 1-1-5 | Problem with built-in output device Ecu |
| 1-1-6 | Internal Error In ECU |
| 1-2-1 | Problem With Trigger Relay |
| 1-2-2 | The problem with the ignition switch in the position “ON» (T15 |
| 1-2-3 | Problem with ignition switch in position«START» (T50) |
| 1-2-4 | Problem With Battery |
| 1-2-5 | Scheme of a non-monotonous spectrum of impulses Fmtc |
| 1-3-1 | Built-in sensor power module Ecu |
| 1-3-2 | Problem With Main Relay |
| 1-3-3 | Pressure sensor in the fuel ramp |
| Description Fault | Possible Reasons Fault |
| 1-3-4 | Problem with pressure limit valve in common fuel ramp |
| 1-3-5 | Problem with fuel dosing section |
| 1-3-6 | Pressure limit valve in a common fuel ramp |
| 1-4-1 | Problem with 1st cylinder nozzle |
| 1-4-2 | Problem with 2nd cylinder nozzle |
| 1-4-3 | Problem with nozzle 3-cylinder |
| 1-4-4 | The problem with the nozzle 4-th cylinder |
| 1-4-5 | The problem with the 5-th cylinder nozzle |
| 1-4-6 | The problem with the nozzle 6-th cylinder |
| 1-5-1 | The problem with condenser 1 (Control nozzles 1, 2,3) |
| 1-5-2 | The problem with condenser 2 (Control nozzles 4, 5,6) |
| 1-5-3 | Chip problem Cy33X Nozzle control |
| 1-5-4 | Not reaching the minimum permissible limit of the correct nozzle |
| 1-5-5 | limiting fuel injection to Ecu |
| 2-1-1 | Availability Water In the Fuel |
| 2-2-1 | Problems with pedal position sensors 1 and 2 |
| Description Fault | Possible Reasons Fault |
| 2-2-2 | Problem With Switch Clutch |
| 2-2-3 | Problems with brake switch, single brake switch |
| 2-2-5 | The problem with the reliability of the accelerator and brake |
| 2-2-6 | Protection of the diesel engine (from the drift) |
| 2-2-7 | Protection Diesel Engine |
| 2-2-8 | Exceeding the permissible torque of the diesel engine |
| 2-2-9 | Pedal Accelerator Remote Management |
| 2-3-1 | Sensor Pressure Intake Air |
| 2-3-2 | Sensor Atmospheric Pressure |
| 2-3-3 | Sensor Temperature Intake Air |
| 2-4-1 | Sensor Temperature Cooling Water |
| 2-4-2 | High water temperature signal |
| 2-4-3 | High/low oil pressure signal from oil pressure sensor |
| 2-4-4 | Oil temperature sensor failure, high oil temperature signal |
| Description Fault | Possible Reasons Fault |
| 2-4-5 | Problem with water temperature sensor |
| 2-5-1 | Problem with high-pressure fuel line/low-pressure fuel line (fuel leakage) |
| 2-5-2 | Problem with high-pressure fuel line/low-pressure fuel line (fuel leakage) |
| 2-5-3 | Problem with high-pressure fuel line/low-pressure fuel line (fuel leakage) |
| 2-5-4 | Problem with high-pressure fuel line/low-pressure fuel line (fuel leakage) |
| 2-5-5 | Problem with high-pressure fuel line/low-pressure fuel line (fuel leakage) |
| 2-5-6 | Problem with high-pressure fuel line/low-pressure fuel line (fuel leakage) |
| 2-5-7 | Problem with high-pressure fuel line/low-pressure fuel line (fuel leakage) |
| 2-6-1 | Restore System Ecu |
| 2-6-2 | Detection Schlepping |
| 2-6-3 | Чип ECU CJ940 |
| 2-6-4 | Chip ECU and Watchdog |
| Description Fault | Possible Reasons Fault |
| 2-6-5 | Eeprom (Electrically erasable programmable memory is read-only) |
| 3-1-1 | Solenoid Valve Exhaust Brakes |
| 3-1-2 | Electromagnetic Fan valve (Pwm), Relay, Speed sensor |
| 3-1-3 | Relay Compressor Air conditioner |
| 3-2-1 | Relay Heating Intake Air |
| 3-2-2 | Relay Heating Intake Air |
| 3-2-3 | Relay Heating Intake Air |
| 3-2-4 | Sensor Speed Movement |
| 3-2-7 | Multi Switch |
| 3-3-1 | Indicator State System |
| 3-3-2 | Cold start indicator, signal indicator |
| 3-3-4 | Indicator of water availability in fuel, signal indicator |
| 3-4-1 | Switch Cruise control |
| 3-4-2 | Switch Exhaust Brakes |
| 3-4-3 | Starting Switch Remote Management |
| Description Fault | Possible Reasons Fault |
| 5-1-1 | Definition of the ignition pass in the 1st cylinder |
| 5-1-2 | Definition of the ignition pass in the 2nd cylinder |
| 5-1-3 | Definition of the ignition pass in the 3rd cylinder |
| 5-1-4 | Definition of the ignition passes on cylinders |
| 5-3-1 | Definition of the ignition pass in the 4th cylinder |
| 5-3-2 | Definition of the ignition pass in the 5th cylinder |
| 5-3-3 | Definition of the ignition pass in the 6th cylinder |
| 5-3-4 | External Check |
| 5-2-1 | External Check |
| 5-2-2 | External Check |
| 5-2-3 | External Check |
| 5-4-1 | Problem With Synchronization Signals |
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