What causes P1024 on a Honda?

Rocker arm control solenoid intermittently sticking on Varnish or sludge in the rocker arm oil passage Marginal rocker arm oil pressure switch Chafed valve pause wiring shorting on bumps Low oil level or degraded oil

How do I fix P1024 on a Honda?

Confirm the code and check oil level and condition Inspect the valve pause harness for chafing or shorts Test the rocker arm oil pressure switch and solenoid response Check oil pressure against the factory spec Repair the sticking or shorted component found Clear the code and retest

P1024 The powertrain control module saw the valve pause system sticking on

Q: What does P1024 mean on a Honda?

P1024. The powertrain control module saw the valve pause system sticking on. Cylinders may stay deactivated and the engine can run rough. Applies to Honda and Acura models that use this code.

Category: Powertrain - Computer and Auxiliary Controls
Severity: Check Engine Light
Applies to: Honda and Acura models that use this code

What does P1024 mean on a Honda?

P1024. The powertrain control module saw the valve pause system sticking on. Cylinders may stay deactivated and the engine can run rough. This Honda-enhanced code applies to Honda and Acura models that use this code.

Common causes of P1024

Rocker arm control solenoid intermittently sticking on
Varnish or sludge in the rocker arm oil passage
Marginal rocker arm oil pressure switch
Chafed valve pause wiring shorting on bumps
Low oil level or degraded oil

How to fix P1024

Confirm the code and check oil level and condition
Inspect the valve pause harness for chafing or shorts
Test the rocker arm oil pressure switch and solenoid response
Check oil pressure against the factory spec
Repair the sticking or shorted component found
Clear the code and retest

Sources and review

Last updated 2026-10-10.