Deciphering the diagnostic trouble codes MID140. Volvo control panels of dashboards version 2 and above
See also:
Parameter:
Fuel level sensor
Fault:
FMI 5 Resistance on contacts B3 and A12 of the instrument panel from the sensor in the tank is more than 1 kΩ. Broken signal or negative wire, oxidation or damage to the contacts in the connectors. Thesensor may be faulty.
FMI 6 Resistance on contacts B3 and A12 of the instrument panel from the sensor in the tank is more than 20 Ohms. The signal wire is shorted to ground or the sensor is faulty.
Parameter:
Ammeter
Fault:
FMI 3 The signal wire is shorted to a higher voltage or the sensor is faulty. The sensor is located in the battery box.
FMI 4 An open or short to ground for the signal wire. The sensor may be faulty.
Parameter:
Front air pressure sensor
Fault:
FMI 3 Broken negative wire or short circuit of the signal wire to a wire with a higher voltage. Sensor B152 may be faulty. The sensor is located to the left of the grille under the fairing on the driver’s side.
FMI 4 An open wire to the power supply, a sensor signal, a short to ground in the signal signal, oxidation or damage to the contacts in the connectors.
Parameter:
Rear air pressure sensor
Fault:
FMI 3 Broken negative wire or short circuit of the signal wire to a wire with a higher voltage. Sensor B153 may be faulty. The sensor is located to the left of the grille under the fairing on the driver’s side.
FMI 4 An open wire to the power supply, a sensor signal, a short to ground in the signal signal, oxidation or damage to the contacts in the connectors.
Parameter:
Battery voltage
Fault:
FMI 3 Battery voltage is higher than 31 V. A device for starting is connected, a generator or a battery is faulty.
FMI 4 Voltage below 8 V. or voltage when the engine is running below 24 V. more than 250 seconds. Faulty generator or battery.
Parameter:
Outdoor temperature sensor
Fault:
FMI 5 Resistance on contacts B9 and A12 of the dashboard unit from the sensor is more than 25 kΩ. Break signal or negative wire. Oxidation or damage to contacts in connectors. Faulty sensor or outside air temperature below 50 degrees. The sensor is located under the lower step on the passenger side.
FMI 6 Resistance on contacts B9 and A12 of the instrument panel from the sensor is less than 25 kΩ. The signal wire is shorted to ground, the sensor is faulty, or the outside air temperature is above 90 degrees.
Parameter:
Transmission oil temperature sensor
Fault:
FMI 5 Resistance on contacts B12 and A12 of the dashboard unit from the sensor is more than 5 kΩ. Break signal or negative wire. Oxidation or damage to contacts in connectors. Faulty sensor.
FMI 6 Resistance on contacts B12 and A12 of the instrument panel from the sensor is less than 10 kΩ. Short to signal ground or defective sensor. The oil temperature in the gearbox is very high.
Parameter:
The current date
Fault:
FMI 9 The date or time data sent by the vehicle control unit or tachograph unit over the data channel is incorrect or missing. Malfunction in the data channel or damaged contacts in the connectors.
Parameter:
SAE J1939 data feed
Fault:
FMI 2 Communication over the SAE J1939 data channel between the dashboard control unit and other units is missing. Broken data channel. A closure in the wiring between the blocks.
Parameter:
Program memory
Fault:
FMI 2 Malfunction in the software. Possible instrument panel malfunction.
Parameter:
SAE J1708 data feed
Fault:
FMI 12 One of the control units is in programming mode or the other control unit is faulty. Check for other fault codes. Check the health of other units.
Parameter:
Power supply
Fault:
Watch PID 158
Parameter:
Gauge memory, EEPROM
Fault:
FMI 2 A programming error or malfunction in the memory circuit. The reaction is not predictable.
Parameter:
Brake pad wear sensors (FL, FE)
Fault:
FMI 0 Open circuit between the brake pad wear sensors and the dashboard block contact C28. Worn pads on one of the wheels, faulty wiring.
Parameter:
Overheating instrument panel
Fault:
FMI 0 A thermometer built into the dashboard records the temperature above 90 degrees. Air ducts of the cabin heater are faulty, external influence (for example, sun rays on the instrument panel).
Parameter:
Reference resistance
Fault:
FMI 3 The dashboard unit registers resistance below 22.5 ohms. Malfunctioning dashboard equipment, malfunctioning fuel level sensor or environmental sensor. Fault in the wiring between the dashboard and sensors.
FMI 4 The dashboard unit registers resistance below 22.5 ohms. Malfunctioning dashboard equipment, malfunctioning fuel level sensor or environmental sensor. Fault in the wiring between the dashboard and sensors.
Parameter:
Ammeter power supply
Fault:
FMI 3 The dashboard unit detects high voltage or non-power short. Faulty dashboard.
FMI 6 The dashboard unit registers a short to ground. Faulty dashboard.
Parameter:
Parking Heater Control Signal
Fault:
FMI 3 A short to a higher voltage or a broken connection wire between the dashboard unit and the heater unit . Also make sure that the coolant temperature is below 78 degrees and the engine speed does not exceed 300 rpm.
FMI 6 There is no contact with the data connection, the connection is broken, or there is a fault in the communication circuit in the control unit.
Parameter:
“YES” button on the steering wheel
Fault:
FMI 12 The button is pressed for more than one minute or the button is faulty.
Parameter:
“NO” button on the steering wheel
Fault:
FMI 12 The button is pressed for more than one minute or the button is faulty.
Parameter:
Left arrow button on the steering wheel
Fault:
FMI 12 The button is pressed for more than one minute or the button is faulty.
Parameter:
Right Arrow Button on Steering Wheel
Fault:
FMI 12 The button is pressed for more than one minute or the button is faulty.
Parameter:
Steering wheel plus button
Fault:
FMI 12 The button is pressed for more than one minute or the button is faulty.
Parameter:
The minus button on the steering wheel
Fault:
FMI 12 The button is pressed for more than one minute or the button is faulty.
Parameter:
Power supply of the “YES, NO, plus, minus” buttons on the steering wheel
Fault:
FMI 3 The voltage at the output of the dashboard unit to the button block above 14 V is more than 5 seconds. A short to a higher voltage wire between the dashboard unit and the button unit.
FMI 5 Broken wire between the dashboard unit and the button unit.
FMI 6 The voltage at the output of the dashboard unit per button block is less than 1 V for more than 5 seconds. A short to ground between the dashboard and button block.
Parameter:
Data channel block buttons “YES, NO, plus, minus” on the steering wheel
Fault:
FMI 9 The dashboard unit does not receive a signal from a button unit for more than 30 seconds, or the signal received from a button unit is unreliable. Breakage or partial damage to the data channel wiring between the dashboard unit and the button unit.
Parameter:
” Esc ” button on the right switch under the steering wheel
Fault:
FMI 12 The button is pressed for more than one minute or the button is faulty.
Parameter:
” Enter ” button on the right switch under the steering wheel
Fault:
FMI 12 The button is pressed for more than one minute or the button is faulty.
Parameter:
“Up” button on the right switch under the steering wheel
Fault:
FMI 12 The button is pressed for more than one minute or the button is faulty.
Parameter:
Down button on the right switch under the steering wheel
Fault:
FMI 12 The button is pressed for more than one minute or the button is faulty.
Parameter:
Disruption of data communication with the engine control unit EECU MID128
Fault:
FMI 12 Faulty data channel wiring or damaged contacts in the connectors.
Parameter:
Violation of data communication with the vehicle control unit VECU MID144
Fault:
FMI 12 Faulty data channel wiring or damaged contacts in the connectors.
Parameter:
Disruption of communication over the data channel with the control unit braking systems MID136
Fault:
FMI 12 Faulty data channel wiring or damaged contacts in the connectors.
Parameter:
Failure of data communication with the transmission control unit TECU MID130
Fault:
FMI 12 Faulty data channel wiring or damaged contacts in the connectors.
Parameter:
Disruption of data communication with the retarder control unit RECU MID222
Fault:
FMI 12 Faulty data channel wiring or damaged contacts in the connectors.
Parameter:
Failure of data communication with the air suspension control unit ECS MID150
Fault:
FMI 12 Faulty data channel wiring or damaged contacts in the connectors.
Parameter:
Disruption of communication over the data channel with the outdoor lighting control unit LCM MID216
Fault:
FMI 12 Faulty data channel wiring or damaged contacts in the connectors.
Parameter:
Disruption of communication over the data channel with the control unit of the adaptive system to maintain the specified speed ACC MID219
Fault:
FMI 12 Faulty data channel wiring or damaged contacts in the connectors.
Parameter:
Disruption of communication over the data channel with the tachograph unit MID220
Fault:
FMI 12 Faulty data channel wiring or damaged contacts in the connectors.
Parameter:
Disruption of communication over the data channel with the unit mobile phone MID231
Fault:
FMI 9 Faulty data channel wiring or damaged contacts in the connectors. Possible defective phone unit.
Parameter:
Disruption of communication over the data channel with a block of additional equipment BBM MID249
Fault:
FMI 12 Faulty data channel wiring or damaged contacts in the connectors.
Parameter:
Disruption of communication over the data channel with the rear axle unit with electronically controlled MID184
Fault:
FMI 12 Faulty data channel wiring or damaged contacts in the connectors.
Parameter:
Disruption of communication over the data channel with the air dryer APM MID185
Fault:
FMI 12 Faulty data channel wiring or damaged contacts in the connectors.
Parameter:
SAE J1939 data feed
Fault:
FMI 2 No communication with other control units via SAE J1939 data link. Open or short circuit of the communication channel between the dashboard unit and other units.
Parameter:
Disruption of communication over the data channel with the block immobilizer ICU MID163
Fault:
FMI 12 Faulty data channel wiring or damaged contacts in the connectors.
Parameter:
Violation of communication over the data channel with the security system unit MID214
Fault:
FMI 12 Faulty data channel wiring or damaged contacts in the connectors.
Parameter:
Violation of data communications with the SRS MID232 airbag unit
Fault:
FMI 12 Faulty data channel wiring or damaged contacts in the connectors.
Parameter:
Disruption of data communication with the micro-climate unit in the cockpit MID146
Fault:
FMI 12 Faulty data channel wiring or damaged contacts in the connectors.
Parameter:
Disruption in data link to Volvo unit Link
Fault:
FMI 12 Faulty data channel wiring or damaged contacts in the connectors.
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