Scania IBU DTC 96809 Negative contactor, cannot be closed

Q: What does Scania IBU fault code 96809 mean?

Negative contactor, cannot be closed. The contactor to the propulsion battery negative terminal cannot be closed. Code 96809 (decimal). Some diagnostic tools show it in hexadecimal as 017A29.

Q: How to fix Scania IBU fault code 96809?

- - Clear the fault code. - Turn the 15 voltage off and on with the starter key. - If the fault code recurs: - Check battery junction box. - Change the battery junction box. - Renew the propulsion battery.

IBU IBU control unit · Scania

Code 96809 (decimal). Some diagnostic tools show it in hexadecimal as 017A29.

In short

The contactor to the propulsion battery negative terminal cannot be closed.

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 96809 mean?

The contactor to the propulsion battery negative terminal cannot be closed.

What causes Scania DTC 96809?

Fault on voltage supply to contactor control.

How does the system react?

A yellow warning indication is displayed.

How to fix Scania IBU fault code 96809?

- Clear the fault code.
Turn the 15 voltage off and on with the starter key.
If the fault code recurs:
Check battery junction box.
Change the battery junction box.
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.