Truck's MID 222 Fault Codes DTC
Volvo, Renault, Mack Trucks MID 222 Codes Decryption of Malfunction DTC
Truck Fault Code, DTC Code Name, Type of fault
Retarder Control Unit
MID222 PID110 FMI0
Coolant temperature.
High temperature fluid. Inadequate retarder cooling or driving on hilly terrain with frequent retarder use.
MID222 PID110 FMI4
Coolant temperature
Shorting the signal circuit in the temperature sensor circuit to ground.
MID222 PID110 FMI5
Coolant temperature
Shorting the signal wire in the temperature sensor wiring to ground or to a higher voltage.
MID222 PID110 FMI13
Coolant temperature
Faulty retarder control unit.
MID222 PID119 FMI0
Coolant pressure.
Voltage on the moderator unit from the sensor is between 3.6 and 4.6 V. Sensor is defective, the moderator cooling circuit is damaged or blocked.
MID222 PID119 FMI3
Coolant pressure.
Voltage at the moderator unit from the sensor is higher than 4.6 V. Circuit in the sensor wiring is shorted to a higher voltage or the sensor is faulty.
MID222 PID119 FMI4
Coolant pressure.
Voltage at the moderator unit from the sensor is below 0.4 V. Circuit in the sensor wiring is faulty or the sensor is faulty.
MID222 PID120 FMI0
Oil temperature.
High oil temperature. Inadequate retarder cooling or driving on hilly terrain with frequent retarder use.
MID222 PID120 FMI4
Oil temperature.
Shorting the signal wire in the temperature sensor wiring to ground.
MID222 PID120 FMI5
Oil temperature.
Shorting the signal circuit in the temperature sensor wiring to ground or to a higher voltage.
MID222 PID120 FMI13
Oil temperature.
Faulty retarder control unit.
MID222 PID158 FMI0
Supply voltage of the moderator unit.
The supply voltage is higher than 33 V. The generator is faulty or a device is connected to quickly charge the batteries without disconnecting from the car.
MID222 PID158 FMI1
Supply voltage of the moderator unit.
Supply voltage below 18 V for a few seconds after starting the engine. Low battery, poor contact on the power cable or ground.
MID222 SID2 FMI3
PWM moderator valve.
Short wiring in valve circuit to a higher voltage or valve is faulty.
MID222 SID2 FMI4
Moderator valve.
Short circuit in valve circuit to ground or alve is faulty.
MID222 SID2 FMI5
Moderator valve.
An open in valve circuit or a valve is defective.
MID222 SID2 FMI6
Moderator valve.
Short circuit in valve circuit to ground or valve is faulty.
MID222 SID221 FMI1
Pressure transmitter power.
Voltage is between 0.5 and 4.5V. The wiring in the sensor circuit is defective or the sensor is defective.
MID222 SID221 FMI3
Pressure transmitter power.
Voltage higher than 5.5 V. Short circuit between the pressure sensor and the moderator control unit to a higher voltage
MID222 SID221 FMI4
Pressure transmitter power.
defective retarder control unit.
MID222 SID231 FMI2
Data Channel SAE J1939.
Large number of erroneous messages on the data channel. Open or partial damage to the circuits of the data channel. The contacts in the connectors are oxidized or damaged.
MID222 SID240 FMI2
Program memory.
Software fault. Retarder control unit isn't programmed or programmed with faults.
MID222 SID250 FMI2
Data Channel SAE J1708.
Large number of erroneous messages on the data channel. Open or partial damage to the wires of the data channel. The contacts in the connectors are oxidized or damaged.
MID222 SID250 FMI4
Data Channel SAE J1708.
Moderator control unit cannot read the voltage change value. Shorting the wires of the data channel to ground.
MID222 SID250 FMI9
Data Channel SAE J1708.
Several messages were missed on the data channel. Moderator control unit is in the process of programming, the data channel wiring is damaged or the contacts in the connectors are oxidized.
MID222 SID253 FMI2
Gauge memory, EEPROM.
Software fault. Reprogram retarder control unit.
MID222 PPID30 FMI 13
Moderator valve.
Incorrect calibration value of valve in the retarder control unit. Replace control unit.
MID222 PPID31 FMI0
Air pressure.
Moderator air pressure above 4.6 Bar. Valve defective.
MID222 PPID31 FMI3
Air pressure.
High voltage in the circuit between the moderator unit and the pressure sensor. Shorting the signal or supply wire of the sensor to a higher voltage. Pressure sensor may be defective.
MID222 PPID31 FMI5
Air pressure.
An open in the sensor circuit or a short in the wires in the sensor circuit to ground.
MID222 PPID34 FMI0
Voltage +12 V. control unit (used to power the internal circuits of the control unit).
voltage is too high. Wiring failure.
MID222 PPID34 FMI1
Voltage +12 V. control unit (used to power the internal circuits of the control unit).
voltage is too low. Shorting wires to ground.
MID222 PPID54 FMI0
Voltage +5 V. (used to power the air pressure sensor).
Voltage is too high. Shorting wires to a higher voltage.
MID222 PPID54 FMI1
Voltage +5 V. (used to power the air pressure sensor).
Voltage is too low. Shorting wires to ground.
MID222 PPID55 FMI0
Retarder control unit temperature.
Retarder control unit temperature is too high. Possible heating from an external heat source.
MID222 PPID210 FMI3
Moderator valve.
Short circuit in the PWM valve circuit to a higher voltage or a PWM valve is faulty.
MID222 PPID210 FMI5
Moderator valve.
Open circuit in the PWM valve circuit or a PWM valve is defective.
MID222 PPID210 FMI6
Moderator valve.
Short circuit in the PWM valve circuit to ground or a PWM valve is faulty.
MID 222PSID1 FMI3
Power relay K05.
Shorting the relay control wire to a higher voltage.
MID222 PSID1 FMI6
Power relay K05.
Short circuit of relay control wire to ground or relay is faulty.
MID222 PSID201 FMI9
Loss of communication on the SAE J1939 data channel with the vehicle control unit (MID144).
Retarder control unit (MID222) does not receive signals from the vehicle control unit (MID144) via the SAE J1939 data channel. Open or partial damage to the wires of the data channel between the blocks.
MID222 PSID204 FMI9
Loss of communication on the SAE J1939 data channel with the brake control unit (MID136).
Retarder control unit (MID222) does not receive signals from the brake system control unit (MID136) via the SAE J1939 data channel. Open or partial damage to the wires of the data channel between the blocks.
MID222 PSID254 FMI3
Signal DIEE.
Shorting the signal wire to a higher voltage.