Scania COO DTC 688 Refrigerant pressure sensor

COO Coordinator · Scania · 5 variants

Code 688 (decimal). Some diagnostic tools show it in hexadecimal as 02B0.

In short

The pressure sensor for refrigerant pressure has registered a higher pressure than permitted.

Variant 1: Pressure sensor for refrigerant pressure

Applies to: COO10 (COO)

What does Scania COO fault code 688 mean?

What causes Scania DTC 688?

What are the symptoms?

How to fix Scania COO fault code 688?

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Variant 2

Applies to: COO8 (COO)

Variant 3

Applies to: COO9 (COO)

Variant 4

Applies to: COO7

Variant 5

Applies to: COO8

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

Code 688 in other Scania systems

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