Variant 1
Applies to: COO8 (COO)COO9 (COO)
What does Scania COO fault code 902 mean?
Implausible or incorrect signal from the EBS control unit.
What causes Scania DTC 902?
Fault in brake management system EBS control unit.
What are the symptoms?
The automatic parking brake may be stuck as though applied. Other functions dependent on the EBS control unit may also be affected.
How to fix Scania COO fault code 902?
- Check red CAN bus for a short circuit or open circuit.
- Check fault codes for the EBS control unit.
Variant 2
Applies to: COO10 (COO)
Detection
Implausible or incorrect signal from the EBS control unit.
Possible cause
Fault in the brake management system's EBS control unit.
Symptoms
The automatic parking brake may be stuck as though applied. Other functions dependent on the EBS control unit may also be affected.
How to fix
- Check red CAN bus for a short circuit or open circuit.
- Check fault codes for the EBS control unit.
Variant 3: EBS control unit, implausible signal
Applies to: COO11 (COO)
Detection
Implausible or incorrect signal from the EBS control unit.
Possible cause
Fault in the brake management system's EBS control unit.
System reaction
The function of releasing the automatic parking brake is restricted.
Symptoms
The automatic parking brake may be stuck as though applied. Other functions dependent on the EBS control unit may also be affected.
How to fix
- Check red CAN bus for a short circuit or open circuit.
- Check fault codes for the EBS control unit.
Variant 4
Applies to: COO8
Detection
Implausible or incorrect signal from the EBS control unit.
Possible cause
Fault in brake management system EBS control unit.
System reaction
The automatic parking brake may be stuck as though applied. Other functions dependent on the EBS control unit may also be affected.
How to fix
- Check red CAN bus for a short circuit or open circuit.
- Check fault codes for the EBS control unit.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.