What causes a SPN 4130 code?

SPN 4130 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 4130 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 4130 active.

How do I fix SPN 4130?

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 4130

Cummins fault code 4130

What it means

Turbocharger 1 Compressor Bypass Actuator Control - Voltage Below Normal or Shorted to Ground. This indicates the ECM has detected an electrical fault in the circuit controlling the compressor recirculation valve (CRV).