What causes a SPN 5007 code?

SPN 5007 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 5007 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 5007 active.

How do I fix SPN 5007?

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 5007

Allison transmission code P5007

What it means

Control Module Performance - Calibration/Internal Error. The TCM has detected an internal logic error or a checksum fault in its operational software.