Scania APS DTC 66 Control unit

APS Air Processing System · Scania

Code 66 (decimal). Some diagnostic tools show it in hexadecimal as 0042.

In short

Incorrect data.

Applies to: APS1

What does Scania APS fault code 66 mean?

Incorrect data.

What causes Scania DTC 66?

Internal fault in the control unit.

How does the system react?

This fault does not affect functionality. The fault can, however, result in incorrect information being displayed in the diagnostics program.

How to fix Scania APS fault code 66?

  1. Clear the fault code.
  2. Turn off the power with the starter key.
  3. Wait for 60 seconds.
  4. Switch on the voltage with the starter key.
  5. If the fault code it still active, renew the control unit.

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

Code 66 in other Scania systems

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