Applies to: OPC4 (RET)OPC5 (RET2)
What does Scania RET fault code 5000 mean?
The 30 voltage to the control unit has been above 35 V.
What causes Scania DTC 5000?
Jump start has probably been used and supplied a voltage that is too high to the electrical system for a short period of time. Components or cable harnesses may be faulty.
How does the system react?
Retarder braking is not possible. Yellow retarder warning is displayed in the instrument cluster.
How to fix Scania RET fault code 5000?
- If jump start device has been used, clear the fault code and check that the fault does not recur.
- Otherwise check alternator, battery, harness-to-component connector and cable harness.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.