What causes P1319 on a Honda?

Failed spark plug voltage detection module on the rear bank (Bank 2) Open or shorted reset wire between the rear bank detection module and the ECM Corroded or loose connector pins at the rear bank detection module Poor ground at the rear bank voltage detection module

How do I fix P1319 on a Honda?

Confirm the code with a scan tool and check for misfire codes on the rear bank Inspect the rear bank voltage detection module connector and its ground Check the reset circuit between the rear bank module and the ECM for an open or short Compare the rear bank module signal against the factory spec Replace the rear bank module if it fails testing, then clear the code and retest

P1319 The powertrain control module saw a fault in the reset circuit for the spark plug voltage detection module on the rear bank

Q: What does P1319 mean on a Honda?

P1319. The powertrain control module saw a fault in the reset circuit for the spark plug voltage detection module on the rear bank. The module may not reset the detection circuit and misfire detection can be affected.. Applies to Honda and Acura models that use this code.

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

This fault is part of the Honda misfire codes guide. It covers the system and the order to check it.

What does P1319 mean on a Honda?

P1319. The powertrain control module saw a fault in the reset circuit for the spark plug voltage detection module on the rear bank. The module may not reset the detection circuit and misfire detection can be affected.. This Honda-enhanced code applies to Honda and Acura models that use this code.

Common causes of P1319

Failed spark plug voltage detection module on the rear bank (Bank 2)
Open or shorted reset wire between the rear bank detection module and the ECM
Corroded or loose connector pins at the rear bank detection module
Poor ground at the rear bank voltage detection module

How to fix P1319

Confirm the code with a scan tool and check for misfire codes on the rear bank
Inspect the rear bank voltage detection module connector and its ground
Check the reset circuit between the rear bank module and the ECM for an open or short
Compare the rear bank module signal against the factory spec
Replace the rear bank module if it fails testing, then clear the code and retest

Sources and review

Checked against two independent sources.
Last updated 2026-10-10.