SPN 523222 — factory code KAMAZ, MAZ and YaMZ

Safe to driveUntil the next service

SPN 523222 is a manufacturer number outside the standard J1939 table: different makes can put different things under it. Below — how it is worded by KAMAZ, MAZ and YaMZ, and what the second half of the code (FMI) means.

KAMAZMAZYaMZ

KAMAZ

FMI 12

CAN: TCO1 timeout (tachograph)

MAZ

FMI 12

CAN message TCO1 error - CAN bus message timeout. Blink code: 4-4-6. Repair: Check the CAN line connection to the other CAN devices.

YaMZ

FMI 12

TCO1 CAN message fault (CAN bus message timeout). Blink code: 4-4-6. Repair: Check the CAN line connection to the other CAN devices.

What FMI means in J1939

SPN 523222 FMI 12523222/12 · 523222.12

faulty device or component

Can I keep driving

Safe to drive. Below — how much time you have and what happens if you keep going.

What happens if you keep driving

Time you have: Until the next service

A standalone fault with no immediate consequences for driving.

Show the codes at the next service. If a second code from the same system appears, stop putting it off.

Nearby: other

• SPN 520940Power Adjustable Pedals Enable Relay
• SPN 520941Hydromax Pump Motor Relay Driver
• SPN 523000Generic Check for implausible EOL Parameters
• SPN 523110Safety Monitor for Valve Combi Function
• SPN 523218
• SPN 523350
• SPN 523351
• SPN 523352
• SPN 523353
• SPN 523354

Scanner threw several codes at once? Paste the whole list — we will show which one is the root cause and which ones simply followed.