Scania COO DTC 689 Refrigerant pressure sensor

COO Coordinator · Scania · 4 variants

Code 689 (decimal). Some diagnostic tools show it in hexadecimal as 02B1.

In short

The refrigerant pressure sensor has registered a pressure below the permitted level.

Variant 1

Applies to: COO7COO8

What does Scania COO fault code 689 mean?

What causes Scania DTC 689?

How does the system react?

How to fix Scania COO fault code 689?

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Variant 2: Pressure sensor for refrigerant pressure

Applies to: COO10 (COO)

Variant 3

Applies to: COO8 (COO)

Variant 4

Applies to: COO9 (COO)

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

Code 689 in other Scania systems

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