What causes a SPN 762 code?

SPN 762 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 762 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 762 active.

How do I fix SPN 762?

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 762

J1939 SPN 762 — Engine Management parameter

What it means

SPN 762 indicates a fault with the Engine Compression Brake Solenoid 1 circuit. This relates to the electrical signal used to activate the compression brake (Jake brake).