What causes a SPN 523608 code?

SPN 523608 can be triggered by several issues — see the verified probable causes and step-by-step diagnostics shared by mechanics and owners on OBDIY.

Can I drive with a SPN 523608 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 523608 active.

How do I fix SPN 523608?

Follow the step-by-step diagnostic on this page, then read the verified fixes contributed by other Heavy Truck owners — the answer marked "Verified Cause" worked for the original poster.

OBDIY

J1939 SPN

SPN 523608

Meritor MTec Brake Chamber Adjustment Error

What it means

This code signals that one or more Meritor MTec brake chambers are out of proper adjustment, leading to uneven braking and potential safety concerns.