P0508moderate severityPowertrain
Idle Air Control System Circuit Low
on 2016 Chevrolet Impala 3.6L V6 LFX · AWD
What this code means
Low voltage in IAC circuit.
Symptoms
- Low idle
- Stalling
Common causes
- Short to ground
- Faulty IAC motor
- Wiring issue
Diagnostic steps
- Test IAC voltage
- Check for shorts
Repair notes
Replace IAC or repair wiring.
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