P0123critical severityPowertrain
Throttle/Pedal Position Sensor/Switch A Circuit High Input
on 2016 Chevrolet Impala 3.6L V6 LFX · AWD
What this code means
The TPS voltage is above the maximum threshold.
Symptoms
- Check Engine Light
- Limp mode
- High idle
- Sudden acceleration concern
Common causes
- Open circuit in TPS ground
- Short to voltage
- Faulty TPS
Diagnostic steps
- Test TPS voltage
- Check for open ground
- Check for shorts to power
Repair notes
Repair wiring or replace TPS. Safety concern - do not drive.
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