Scania CMS DTC 660 Power steering electrohydraulic pump, circuit 2

CMS CMS control unit · Scania

Code 660 (decimal). Some diagnostic tools show it in hexadecimal as 0294.

In short

The output to the power steering electrohydraulic pump (M55), connected on PWM output 3 (Pin: signal A15, ground A13) is either not connected or is short-circuited to voltage.

Applies to: CMS1 (CMS)

What does Scania CMS fault code 660 mean?

What causes Scania DTC 660?

What are the symptoms?

How to fix Scania CMS fault code 660?

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

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