Truck's MID 185 Fault Codes DTC

MID 185 Codes Decryption of Malfunctions DTC Volvo, Renault, Mack Trucks.

Truck Fault Code, DTC Parameter, Description of DTC

VOLVO Truck APM Air Dryer Control Unit

MID 185 PID 70 FMI 0

Parking brake status

The pressure in the energy accumulator is higher than 10 bar. Defective air dryer control unit (installed inside the air dryer). Replace air dryer.

MID 185 PID 70 FMI 2

Parking brake status

The signal value of the air pressure sensor in the energy accumulator is out of tolerance (a pressure sensor is installed inside the air dryer). Defective air dryer control unit.

Replace air dryer.

MID 185 PID 84 FMI 2

Vehicle speed

The speed signal from the vehicle control unit (MID144) is incorrect or missing. Break or partial damage to the wiring of the data channel SAE J1587 / J1708. Damaged or oxidized contacts in the connectors. The car control unit may be defective.

MID 185 PID 93 FMI 2

Torque

The signal from the engine control unit (MID128) is incorrect or missing. Break or partial damage to the wiring of the data channel SAE J1587 / J1708. Damaged or oxidized contacts in the connectors. The engine control unit may be defective.

MID 185 PID 190 FMI 2

Engine speed

The signal from the engine control unit (MID128) is incorrect or missing. Break or partial damage to the wiring of the data channel SAE J1587 / J1708. Damaged or oxidized contacts in the connectors. The engine control unit may be defective.

MID 185 PID 245 FMI 2

Mileage information

The signal from the dashboard control unit (MID140) is incorrect or missing. Break or partial damage to the wiring of the data channel SAE J1587 / J1708. Damaged or oxidized contacts in the connectors. The dashboard control unit may be malfunctioning. Check for dashboard control unit fault codes.

MID 185 PID 252 FMI 2

Date

The signal from the dashboard control unit (MID140) is incorrect or missing. Break or partial damage to the wiring of the data channel SAE J1587 / J1708. Damaged or oxidized contacts in the connectors. The dashboard control unit may be malfunctioning. Check for dashboard control unit fault codes.

MID 185 SID 229 FMI 2

Forced downshift switch.

The signal from the vehicle control unit (MID144) is incorrect or missing. Break or partial damage to the wiring of the data channel SAE J1587 / J1708. Damaged or oxidized contacts in the connectors. The truck control unit may be defective.

MID 185 SID 230 FMI 2

Idle switch No. 1 accelerator pedals.

The signal from the vehicle control unit (MID144) is incorrect or missing. Break or partial damage to the wiring of the data channel SAE J1587 / J1708. Damaged or oxidized contacts in the connectors. The car control unit may be defective.

MID 185 SID 231 FMI 2

Data channel SAE J1939.

The signals exchanged between the air dryer unit and other control units via the SAE J1939 data channel are out of range or absent. Broken wiring, damaged contacts in the connectors of the data channel SAE J1939.

MID 185 SID 233 FMI 2

Control unit 2

Incorrect internal calculations. Defective air dryer control unit.

MID 185 SID 233 FMI 8

Control unit 2

Invalid self test results. Defective air dryer control unit.

MID 185 SID 233 FMI 12

Control unit 2

Internal malfunction of the control unit.

MID 185 SID 240 FMI 2

Program memory.

Incorrect checksum value. An error in the program or incorrectly programmed parameters. Perform reprogramming. If the problem persists, replace the air dryer.

MID 185 SID 240 FMI 8

Program memory.

Invalid checksum value. Error in the program. Try restarting MID185.

MID 185 SID 240 FMI 9

Program memory.

Malfunction of the internal memory of the air dryer control unit or the parameters are incorrectly programmed. Try restarting the MID185. perform reprogramming. If the problem persists, replace the air dryer.

MID 185 SID 240 FMI 10

Program memory.

Incorrectly programmed parameters in the air dryer control unit. Try restarting the MID185. perform reprogramming. If the problem persists, replace the air dryer.

MID 185 SID 240 FMI 11

Program memory.

Incorrectly programmed parameters in the air dryer control unit. Try restarting the MID185. Perform reprogramming. If the problem persists, replace the air dryer.

MID 185 SID 240 FMI 12

Program memory.

The air dryer control unit is defective. Replace air dryer.

MID 185 SID 240 FMI 14

Program memory.

The air dryer control unit is defective. Replace air dryer.

MID 185 SID 246 FMI 2

Brake pedal switch.

The signal from the brake control module (MID136) is incorrect or missing. Break or partial damage to the wiring of the data channel SAE J1587 / J1708. Damaged or oxidized contacts in the connectors. The braking system control unit (MID136) or the car control unit (MID144) may be defective.

MID 185 SID 251 FMI 0

Power supply to the air dryer control unit.

High voltage between power contact 3 and ground contact 4 on the air dryer connector. The generator may be defective. Try restarting the MID185.

MID 185 SID 251 FMI 1

Power supply to the air dryer control unit.

Low voltage between power contacts 3 or 1 and ground contact 4 on the air dryer connector. A short to ground in the power wires is possible. Try restarting MID185.

MID 185 SID 251 FMI 5

Power supply to the air dryer control unit.

Open power wires to the contacts of the air dryer 3 or 1, open the ground wires to the contact of the air dryer 4. One of the fuses F8 or F47 has blown. Try restarting the MID185.

MID 185 SID 252 FMI 14

Calibration of the control unit.

The control unit is in self-test mode. Try restarting the MID185.

MID 185 SID 253 FMI 2

EEPROM calibration memory.

Incorrect checksum value at the beginning of work. Incorrectly programmed parameters in the air dryer control unit. Try restarting the MID185. Perform reprogramming.

MID 185 SID 253 FMI 6

EEPROM calibration memory.

Internal malfunction in the air dryer control unit. Try restarting MID185. Perform reprogramming. If the problem persists, replace the air dryer.

MID 185 SID 253 FMI 7

EEPROM calibration memory.

Incorrect checksum value at the beginning of work. Incorrectly programmed parameters in the air dryer control unit. Try restarting the MID185. Perform reprogramming.

MID 185 SID 253 FMI 12

EEPROM calibration memory.

Internal malfunction in the air dryer control unit. Try restarting MID185. Perform reprogramming. If the problem persists, replace the air dryer.

MID 185 SID 253 FMI 13

EEPROM calibration memory.

Internal malfunction in the air dryer control unit. Try restarting MID185. Perform reprogramming. If the problem persists, replace the air dryer.

MID 185 SID 253 FMI 14

EEPROM calibration memory.

Internal malfunction in the air dryer control unit. Try restarting MID185. Perform reprogramming. If the problem persists, replace the air dryer.

MID 185 SID 254 FMI 2

Control unit 1

Internal malfunction in the air dryer control unit. Try restarting MID185. Perform reprogramming. If the problem persists, replace the air dryer.

MID 185 SID 254 FMI 9

Control unit 1

Internal malfunction in the air dryer control unit. Try restarting MID185. Perform reprogramming. If the problem persists, replace the air dryer.

MID 185 SID 254 FMI 10

Control unit 1

Internal malfunction in the air dryer control unit. Try restarting MID185. Perform reprogramming. If the problem persists, replace the air dryer.

MID 185 SID 254 FMI 11

Control unit 1

Internal malfunction in the air dryer control unit. Try restarting MID185. Perform reprogramming. If the problem persists, replace the air dryer.

MID 185 SID 254 FMI 12

Control unit 1

Internal malfunction in the air dryer control unit. Try restarting MID185. Perform reprogramming. If the problem persists, replace the air dryer.

MID 185 PPID 55 FMI 2

Control unit temperature

The signal from the internal temperature sensor of the air dryer control unit is out of range. Defective air dryer control unit. Replace air dryer.

MID 185 PPID 55 FMI 10

Control unit temperature

The temperature of the unit is below -48 degrees or above +93 degrees. Extreme weather or faulty temperature sensor. Restart the MID185 at an ambient temperature of 20 degrees. If the code remains active, replace the air cleaner.

MID 185 PPID 258 FMI 2

Engine speed control

The signal from the engine control unit (MID128) is incorrect or missing. Open or partial damage to the wiring of the data channel. Damaged or oxidized contacts in the connectors. The engine control unit may be defective.

MID 185 PPID 294 FMI 8

Air pressure in the parking brake circuit

The pressure in the parking brake circuit increases, even with the solenoid valve activated. Air from the trailer circuit or defective air dryer. Try to empty and fill the pneumatic system completely. Try restarting the MID185.

MID 185 PPID 294 FMI 9

Air pressure in the parking brake circuit

The parking brake circuit is not completely filled in a certain amount of time. The lines of the parking brake circuit or trailer circuit are leaking or partially clogged. Try to empty and fill the pneumatic system completely. Try restarting the MID185.

MID 185 PPID 294 FMI 12

Air pressure in the parking brake circuit

The air pressure in the parking brake circuit or trailer circuit is lower than 4.5 bar at a speed above 10 km / h. The lines of the parking brake circuit or trailer circuit are leaking or partially clogged. Try to empty and fill the pneumatic system completely. Try restarting the MID185.

MID 185 PPID 295 FMI 2

Fixed neutral

The signal from the vehicle control unit (MID144) is incorrect or missing. Break or partial damage to the wiring of the data channel SAE J1587 / J1708. Damaged or oxidized contacts in the connectors. The car control unit may be defective.

MID 185 PPID 305 FMI 0

Front circuit of the main brake system

The pressure in the front circuit is above 14 Bar, at a speed of more than 10 km / h. Defective air dryer. Try to empty and fill the pneumatic system completely. Try restarting MID185.

MID 185 PPID 305 FMI 12

Front circuit of the main brake system

The pressure in the front circuit is lower than 4.5 Bar, at a speed of more than 10 km / h. Leaky or partially clogged front contour elements.

Try restarting the MID185.

MID 185 PPID 306 FMI 0

The rear circuit of the main brake system

The rear air pressure is 1.5 bar higher. pressure auto shut off.

Defective air dryer. Try to empty and fill the pneumatic system completely. Try restarting the MID185.

MID 185 PPID 306 FMI 12

The rear circuit of the main brake system

The pressure in the rear circuit is lower than 4.5 Bar, at a speed of more than 10 km / h. Leaky or partially clogged back contour elements.

Try restarting the MID185.

MID 185 PSID 1 FMI 3

Main solenoid valve.

Internal malfunction in the air dryer control unit.

MID 185 PSID 1 FMI 5

Main solenoid valve.

Replace air dryer.

MID 185 PSID 2 FMI 3

Safety valve.

Internal malfunction in the air dryer control unit.

MID 185 PSID 2 FMI 5

Safety valve.

Replace air dryer.

MID 185 PSID 3 FMI 3

Repair valve