Applies to: OPC5 (RET2)
What does Scania RET fault code 15 mean?
Incorrect or unreliable data.
What causes Scania DTC 15?
Internal fault.
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 15?
- If updating of software in the control unit is carried out and fails, try repeating the updating.
- Otherwise clear all fault codes, switch off and re-start the vehicle.
- 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 15 in other Scania systems
- 15hex 000F Left proportional valve, ACS
- 15hex 000F Loudspeaker, short circuit
- 15hex 000F Communication with the engine management system (EMS)
- 15hex 000F Clutch pedal
- 15hex 000F Accelerator pedal sensor
- 15hex 000F Switch on the operation unit
- 15hex 000F Switch
- 15hex 000F Control unit
- 15hex 000F Control unit
- 15hex 000F Control unit
- 15hex 000F Spotlights in sun visor.