Scania CMDA DTC 8837388 Positive contactor, worn out

CMDA CMDA control unit · Scania

Code 8837388 (decimal). Some diagnostic tools show it in hexadecimal as 86D90C.

In short

The turn-on counter of the positive contactor is above the limit value for the maximum number of turn-offs and turn-ons.

Applies to: CMDA2 (CMD)

What does Scania CMDA fault code 8837388 mean?

What causes Scania DTC 8837388?

How does the system react?

What are the symptoms?

How to fix Scania CMDA fault code 8837388?

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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.