P1310 Ignition Control Module Diagnosis Fault
What does P1310 mean on a Honda?
P1310 — Ignition Control Module Diagnosis Fault. This Honda-enhanced code applies to Accord, Prelude, Odyssey with external ICM.
Common causes of P1310
- Failing ignition control module
- Overheated ICM from poor heat-sink contact
- Open ICM signal wiring
- Corroded ICM connector
- Failing distributor pickup where fitted
How to fix P1310
- Check for spark on all cylinders
- Inspect ICM mounting and heat-sink paste
- Test ICM input and output signals
- Check the distributor pickup where applicable
- Replace the ICM after circuit proof