What causes a SPN 6160 code?

SPN 6160 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 6160 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 6160 active.

How do I fix SPN 6160?

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 6160

Cummins fault code 6160

What it means

Engine Control Module (ECM) Internal Calibration Data Failure. This code indicates a checksum error or memory corruption within the ECM's internal software memory.