Scania fault code 817
Code 817 is used by 8 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Knock sensor
Knock sensor 2 produces deviating value.
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BMU Battery Management Unit
The voltage is too high in the direct current converter E84 (DCC) on the voltage class B side
It has been detected that the voltage is too high on the cable harness with voltage class B.
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COO Coordinator
Steering angle sensor
The voltage supply to the steering angle sensor is too low and may be short circuited to earth.
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MBS
#To be removed, DTC 0330 updated to cover both 330 and 331
Climate system does not make cool.
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PCS
CAN message missing
The sequence check does not match the number of messages received.
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CMS
Solenoid valve for rear axle, left-hand side
The voltage on the output to the solenoid valve (control unit pin A30) has been too high.
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DCU
Door control unit, door position sensor 2, recurring faults
The door control unit has detected that the supply voltage to the door position sensor is outside of the valid voltage range (0.8-10.6 V). The fault has lasted for less than ½ seco…
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DCC
The voltage is too high in the direct current converter (DCC) on the voltage class B side
It has been detected that the voltage is too high on the cable harness with voltage class B.
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