Scania RET DTC 2020 Control unit

RET Retarder · Scania

Code 2020 (decimal). Some diagnostic tools show it in hexadecimal as 07E4.

In short

Incorrect or unreliable data.

Applies to: OPC4 (RET)

What does Scania RET fault code 2020 mean?

Incorrect or unreliable data.

What causes Scania DTC 2020?

Internal fault.

How to fix Scania RET fault code 2020?

  1. If updating of software in the control unit is carried out and fails, try repeating the updating.
  2. Otherwise clear all fault codes, switch off and re-start the vehicle.
  3. If the fault codes are still displayed, 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 2020 in other Scania systems

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