Scania RET DTC 65501 ESP control

RET Retarder · Scania

Code 65501 (decimal). Some diagnostic tools show it in hexadecimal as FFDD.

In short

The ESP control unit has reported Error.

Applies to: OPC5 (RET2)

What does Scania RET fault code 65501 mean?

What causes Scania DTC 65501?

How does the system react?

How to fix Scania RET fault code 65501?

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.

Code 65501 in other Scania systems