P1316 The powertrain control module saw a fault in the spark plug voltage detection circuit for the front bank
This fault is part of the Honda misfire codes guide. It covers the system and the order to check it.
What does P1316 mean on a Honda?
P1316. The powertrain control module saw a fault in the spark plug voltage detection circuit for the front bank. The module may not confirm spark on that bank and misfire detection can be affected.. This Honda-enhanced code applies to Honda and Acura models that use this code.
Common causes of P1316
- Faulty spark plug voltage detection module (VDM)
- Open or short in the VDM harness
- Poor electrical connection in the VDM circuit
- Open or short between the VDM and the engine control module (ECM)
How to fix P1316
- Confirm the code and check for misfire codes
- Inspect the voltage detection module connector and wiring
- Check the circuit between the module and the control module for an open or short
- Test the module signal against the factory spec
- Replace the VDM if it fails testing
- Clear the code and retest
Sources and review
- Checked against two independent sources.
- Last updated 2026-10-10.