کدهای خطای MID 222

High fluid temperature. Insufficient retarder cooling or driving on hilly terrain with frequent retarder use.

Short circuit of the signal wire in the temperature sensor circuit to ground.

Short circuit of the signal wire in the temperature sensor circuit to ground or to a higher voltage.

The retarder control unit is faulty.

The voltage at the retarder unit from the sensor is between 3.6 and 4.6 V. The sensor is faulty, the retarder cooling circuit is damaged or blocked.

The voltage at the retarder unit from the sensor is higher than 4.6 V. The wiring in the sensor circuit is shorted to a higher voltage or the sensor is faulty.

The voltage at the retarder unit from the sensor is below 0.4 V. The wiring in the sensor circuit is faulty or the sensor is faulty.

High oil temperature. Insufficient retarder cooling or driving on hilly terrain with frequent retarder use.

Short circuit of the signal wire in the temperature sensor circuit to ground.

Short circuit of the signal wire in the temperature sensor circuit to ground or to a higher voltage.

The retarder control unit is faulty.

The supply voltage is above 33 V. The generator is faulty or a device for quickly charging batteries without disconnecting them from the vehicle is connected.

The supply voltage is below 18 V for several seconds after starting the engine. Low battery, poor connection on the power or ground cable.

Short circuit in the PWM valve circuit to a higher voltage or faulty PWM valve.

Short circuit in the PWM valve circuit to ground or faulty PWM valve.

Open circuit in the PWM valve circuit or faulty PWM valve.

Short circuit in the PWM valve circuit to ground or faulty PWM valve.

The voltage is between 0.5 and 4.5V. The wiring in the sensor circuit is faulty, or the sensor is faulty.

Voltage above 5.5 V. Short circuit in wires between pressure sensor and retarder control unit to higher voltage

The retarder control unit is faulty.

A large number of erroneous messages on the data channel. Broken or partially damaged data channel wires. Corroded or damaged connector contacts.

Software error. The retarder control unit is not programmed or is programmed incorrectly.

A large number of erroneous messages on the data channel. Broken or partially damaged data channel wires. Corroded or damaged connector contacts.

The retarder control unit cannot read voltage change values. The data channel wires are shorted to ground.

Several messages were missed on the data channel. The retarder control unit is in the process of being programmed, the data channel wiring is damaged, or the contacts in the connectors are corroded.