P1607high severityPowertrain
ECM/PCM Internal Circuit Failure A
on 2006 Acura RL 3.5L V6 · AWD
What this code means
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 on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1