Scania APS DTC 1503459 Compressor relief mode

APS Air Processing System · Scania · 2 variants

Code 1503459 (decimal). Some diagnostic tools show it in hexadecimal as 16F0E3.

In short

Short circuit to positive in the compressor relief solenoid valve.

Variant 1

Applies to: APS2

What does Scania APS fault code 1503459 mean?

Short circuit to positive in the compressor relief solenoid valve.

What causes Scania DTC 1503459?

The signal to the solenoid valve fails to switch off due to an internal electrical fault.

How to fix Scania APS fault code 1503459?

  1. Clear the fault code and check if it recurs.
  2. Renew the control unit and clear the fault code if the fault code recurs.

Variant 2

Applies to: APS2

Detection

Short circuit to positive in the compressor relief solenoid valve.

Possible cause

The signal to the solenoid valve fails to switch off due to an internal electrical fault.

System reaction

The system is not affected by the fault.

How to fix

  1. Clear the fault code and check if it recurs.
  2. If the fault code recurs, renew the control unit and clear the fault code.

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

Code 1503459 in other Scania systems