Scania CTR DTC 22 Communication with the heater

CTR CTR control unit · Scania

Code 22 (decimal). Some diagnostic tools show it in hexadecimal as 0016.

In short

Missing response from the heater.

Applies to: CTR1

What does Scania CTR fault code 22 mean?

What causes Scania DTC 22?

How does the system react?

How to fix Scania CTR fault code 22?

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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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