Scania EMO DTC 183 Variable coolant pump V124

EMO EMO control unit · Scania

Code 183 (decimal). Some diagnostic tools show it in hexadecimal as 00B7.

In short

The variable coolant pump speed is lower than the requested speed.

Applies to: EMO2 (EMS)

What does Scania EMO fault code 183 mean?

The variable coolant pump speed is lower than the requested speed.

What causes Scania DTC 183?

- Too little or no oil in the pump coupling due to leakage. - Poor oil viscosity in the pump coupling. - Poor tension in the drive belt.

How does the system react?

Cooling capacity is reduced, which could lead to reduced torque.

How to fix Scania EMO fault code 183?

  1. Check the drive belt.
  2. Renew the variable coolant pump.
  3. Check that the fault has been rectified using the diagnostic tool.

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

Code 183 in other Scania systems

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