Scania EEC DTC 8392 Reductant circuit

EEC Exhaust Emission Control · Scania

Code 8392 (decimal). Some diagnostic tools show it in hexadecimal as 20C8.

In short

Fault in the reductant heater for reductant hose 1 (H25).

Applies to: EEC3

What does Scania EEC fault code 8392 mean?

What causes Scania DTC 8392?

How does the system react?

How to fix Scania EEC fault code 8392?

Read the full explanation with Premium

Causes, system reaction, symptoms and step-by-step repair instructions for every fault code are available to Premium members.

  • Full explanations of every code and brand
  • Causes, symptoms and repair steps
  • New brands and codes included

Yearly plan: pay 10 months, get 12. Cancel at any time.

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