P1607
ECM/PCM Internal Circuit Failure A
2003-2008 Honda Pilot 3.5L V6
High SeverityPowertrain
Description
Internal ECM/PCM circuit malfunction, often during cold weather.
Symptoms
- CEL
- Rough running
- TCS light
- Erratic shifting
- Stalling
- Tach reads zero
Common Causes
- Bad solder joints
- Cold-sensitive components
- Low battery
- Corroded connectors
Diagnostic Steps
- Check battery voltage
- Inspect ECM connectors
- Monitor during cold start
- Test ECM outputs
Repair Notes
Replace or repair ECM/PCM.
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
P1607 on Other Vehicles
Common Questions
What does code P1607 mean on a 2003-2008 Honda Pilot?
P1607 stands for "ECM/PCM Internal Circuit Failure A". Internal ECM/PCM circuit malfunction, often during cold weather.
What are the symptoms of P1607 on a Honda Pilot?
Common symptoms of P1607 include: CEL, Rough running, TCS light, Erratic shifting, Stalling, Tach reads zero.
What causes P1607 on a 2003-2008 Honda Pilot?
Common causes of P1607 include: Bad solder joints, Cold-sensitive components, Low battery, Corroded connectors.