What causes P1600 on a Honda?

Degraded IMA battery pack Failing battery condition monitor Corroded IMA connections Overheating IMA battery from blocked cooling Failing DC-DC converter

How do I fix P1600 on a Honda?

Read IMA battery capacity and block voltages Check IMA battery cooling fan and ducts Inspect high-voltage connections (trained technicians for HV work) Test the 12V auxiliary battery first Service the pack per block voltage data

P1600 Integrated Motor Assist System Malfunction (Hybrid)

Q: What does P1600 mean on a Honda?

P1600 — Integrated Motor Assist System Malfunction (Hybrid). Applies to Civic Hybrid, Accord Hybrid, Insight with IMA.

Category: Powertrain - Computer and Auxiliary Controls
Severity: Check Engine Light
Applies to: Civic Hybrid, Accord Hybrid, Insight with IMA

What does P1600 mean on a Honda?

P1600 — Integrated Motor Assist System Malfunction (Hybrid). This Honda-enhanced code applies to Civic Hybrid, Accord Hybrid, Insight with IMA.

Common causes of P1600

Degraded IMA battery pack
Failing battery condition monitor
Corroded IMA connections
Overheating IMA battery from blocked cooling
Failing DC-DC converter

How to fix P1600

Read IMA battery capacity and block voltages
Check IMA battery cooling fan and ducts
Inspect high-voltage connections (trained technicians for HV work)
Test the 12V auxiliary battery first
Service the pack per block voltage data