What causes a P1570 code?

P1570 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 P1570 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P1570 active.

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

OBD-II

P1570

Oil temperature signal warm up fault

What it means

The Engine Control Module (ECM) monitors the rise in oil temperature during engine operation. This code sets if the oil temperature does not reach a specific target within a predetermined timeframe after startup.