Scania APS DTC 339 Compressor control

APS Air Processing System · Scania

Code 339 (decimal). Some diagnostic tools show it in hexadecimal as 0153.

In short

Short circuit to internal supply voltage.

Applies to: APS1

What does Scania APS fault code 339 mean?

Short circuit to internal supply voltage.

What causes Scania DTC 339?

Internal fault in the control unit or short circuit in the solenoid valve.

How does the system react?

The solenoid valves for regeneration and compressor operation are activated in parallel. Yellow warning lamp comes on.

How to fix Scania APS fault code 339?

  1. Check the solenoid valve and its connection to the control unit.
  2. Check the control unit.
  3. Clear the fault code and check that it is not regenerated.
  4. Renew the solenoid valve or control unit if necessary.

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

Code 339 in other Scania systems