Scania fault code 551

EMS Engine Management System Post injection ontime too long, cylinder 7. The error is detected when the post injection ontime, for either post1 or post2, has been consequtively too long for a period of time. Read explanation → VDT CAN bus Fault in CAN messages that contain accelerator pedal position information. Read explanation → COO Coordinator COO control unit, internal fault The control unit has interpreted an internal fault. Read explanation → CUV Visibility system Parking light Current consumption on the control unit output has fallen below 0.1 A for five seconds. Read explanation → BCI Expansion unit, supply voltage Expansion unit supply voltage is too low. The supply voltage should be between 16 V and 32 V. Read explanation → LAS Locking and Alarm System Motion sensor in the cab Timeout error in LIN communication. Read explanation → CMS Supply voltage [V] The supply voltage to the chassis management system control unit has been too low, below 16 V. Read explanation → ALM Micro switch reserved pin (truck)/micro switch A10 (bus), short circuit The micro switch is short-circuited to the voltage supply. Read explanation → EST Motor pump unit The voltage supply is too low to drive the motor pump unit. Read explanation → ESTA Motor pump unit The voltage supply is too low to drive the motor pump unit. Read explanation →