IBU voltage measurement error
• If it happens only one or two times between two service intervals, reset DTC. If the error appear more frequently continue with next action • Dismount the battery pack (E83) according to instruction in Multi • Control the connections between the IBU and BDU that they are connected properly. • Change IBU mounted in battery pack (E83) according instruction in Multi • Change BDU mounted in battery pack (E83) according instruction in Multi NOTE! Replacing the IBU and BDU are considered as electrical work and shall only be performed by Scania certified personnel. Vehicle shall be made safe according to electrical work procedure.
What you'll see
No driver-visible symptom recorded.
System reaction
• Amber warning lamp "Hybrid System Fault" is shown in ICL
Diagnostic depth
Component fault nr. 20 from the IBU indicates battery pack voltage measurement error.
• Bad connection on IBU • Bad connection on BDU • IBU voltage measurement sensor defective • EMC disturbance