Scania IBU DTC 96578 Cell monitoring circuit board, voltage supply too low

IBU IBU control unit · Scania

Code 96578 (decimal). Some diagnostic tools show it in hexadecimal as 017942.

In short

The IBU control unit indicates that the voltage supply to battery modules or circuit boards for voltage monitoring is too low.

Applies to: IBU2 (IBU)IBU2 (IBUA)IBU2 (IBUB)IBU2 (IBUC)IBU2 (IBUD)IBU2 (IBUE)IBU2 (IBUF)IBU2 (IBUG)IBU2 (IBUH)IBU2 (IBUI)IBU2 (IBUJ)IBU2 (IBUK)

What does Scania IBU fault code 96578 mean?

The IBU control unit indicates that the voltage supply to battery modules or circuit boards for voltage monitoring is too low.

What causes Scania DTC 96578?

Internal fault in the propulsion battery.

How to fix Scania IBU fault code 96578?

  1. Check and action any other fault codes related to the 24 V system.
  2. Check the 24 V system.
  3. Clear the fault code.
  4. Turn the power off and on with the starter key.
  5. If the fault code recurs:
  6. Check internal cable harness to battery modules.
  7. Check battery junction box.
  8. Change the battery junction box.
  9. Renew the propulsion battery.

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.