Scania EAS DTC 782336 Control unit, software fault

EAS EAS control unit · Scania · 2 variants

Code 782336 (decimal). Some diagnostic tools show it in hexadecimal as 0BF000.

In short

Software fault in the control unit.

Variant 1

Applies to: EAS1

What does Scania EAS fault code 782336 mean?

Software fault in the control unit.

What causes Scania DTC 782336?

- Internal fault in the control unit. - Incorrect software in the control unit.

How does the system react?

- Yellow warning indication of an electrically assisted steering fault is displayed. - The control unit reports a fault via CAN. - The electric motor for electrically assisted steering is switched off. - The electronic end position is deactivated. - Fault code 0C6000 is activated at active 15 voltage.

What are the symptoms?

The steering feels sluggish due to degraded functions for steering assistance.

How to fix Scania EAS fault code 782336?

  1. Check that the control unit has the latest software.
  2. Turn the 15 voltage off and on with the starter key.
  3. If the fault code is still active, renew the control unit, including the electric motor.

Variant 2: Redundant calculation failure

Applies to: EAS2

Detection

Internal software error.

Possible cause

1. Defective powerpack when SPN stays always active. 2. Internal SW issue

System reaction

Set the Yellow Lamp to "On". Set the signal EASState to ERROR. Set the EPS motor torque to 0 Nm. Electronic steering system is inactive. The software endstops are deactivated. DTC, KFC_ERROR_MODE_ACTIVE is set ACTIVE in the same Klemme-15 cycle. ActualSteeringMode signal stay in ASM mode. Steering gear operational mode is in Disable Steering gear degradation reason is in Internal Fault Note:ASM functionality deactivate

Symptoms

Not applicable

How to fix

  1. Step-1: Perform a Klemme-15 reset (Ignition reset).
  2. Step-2: Flash the valid hex file if the SPN is still active.
  3. Step-3: Replace the servo unit (powerpack and sensor unit) if the SPN is still active.

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