P1607high severityPowertrain
ECM/PCM Internal Circuit Failure A
on 2015 Acura MDX 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
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1