Applies to: EST1 (EST)
What does Scania EST fault code 624 mean?
The control unit is supplied with a voltage which is less than 22 V.
What causes Scania DTC 624?
Fault in the battery or alternator.
How to fix Scania EST fault code 624?
- Measure the battery terminal voltage with the engine running and compare it with the supply voltage to the control unit (read with the diagnostic tool).
- Check the function of the alternator.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.
Code 624 in other Scania systems
- 624hex 0270 External braking request
- 624hex 0270 Automatic fire alarm, passenger area
- 624hex 0270 Voltage too low in E83 propulsion battery cells
- 624hex 0270 Switch for alternative vehicle level
- 624hex 0270 High range
- 624hex 0270 Headlamp, left-hand side
- 624hex 0270 Injector, cylinder 4
- 624hex 0270 Undervoltage
- 624hex 0270 Front DCU control unit, fault in CAN communication
- 624hex 0270 Internal fault