The Pneumatic Park Brake (PPB) electronic control unit (ECU) detects a hardware condition on the occupancy sensor, or it does not receive the expected cabin door status from the Left Vehicle Controller (VCLEFT) over the Controller Area Network (CAN).
<0.01% (Extremely rare)
None displayed
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The Pneumatic Park Brake (PPB) electronic control unit (ECU) detects a hardware condition on the occupancy sensor, or it does not receive the expected cabin door status from the Left Vehicle Controller (VCLEFT) over the Controller Area Network (CAN).
The PPB ECU does not receive the expected cabin door status from the VCLEFT and/or detects a hardware condition on the occupancy sensor.
The PPB ECU receives the expected cabin door status message from the VCLEFT over CAN and/or no longer detects a hardware condition on the occupancy sensor.
Semitruck
service-fix
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