Scania BMU DTC 2637 CAN communication between the master and subordinate BMU, checksum fault

BMU Battery Management Unit · Scania

Code 2637 (decimal). Some diagnostic tools show it in hexadecimal as 000A4D.

In short

Calculated and received checksum for the CAN message do not match.

Applies to: BMU7 (BMUA)BMU7 (BMUB)BMU7 (BMUC)BMU7 (BMUD)BMU7 (BMUE)BMU7 (BMUF)BMU7 (BMUG)BMU7 (BMUH)BMU7 (BMUI)BMU7 (BMUJ)BMU7 (BMUK)BMU7 (BMUL)BMU7 (BMUM)BMU7 (BMUN)BMU7 (BMUO)BMU7 (BMUP)

What does Scania BMU fault code 2637 mean?

What causes Scania DTC 2637?

How to fix Scania BMU fault code 2637?

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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.