What causes a SPN 2807 code?

SPN 2807 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 2807 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 2807 active.

How do I fix SPN 2807?

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 2807

SPN 2807 Transmission Oil Temperature High Level

What it means

Indicates that the transmission fluid temperature sensor has detected a value exceeding the maximum allowable operating threshold, which can lead to friction plate damage or shifting issues.