P0223critical severityPowertrain
Throttle/Pedal Position Sensor/Switch B Circuit High
on 2016 Infiniti QX50 3.7L V6 · AWD
What this code means
High voltage from TPS B.
Symptoms
- Check Engine Light
- Limp mode
- Unintended acceleration risk
Common causes
- Open circuit
- Short to power
- Faulty sensor
Diagnostic steps
- Test TPS B voltage
- Check for opens/shorts
Repair notes
Repair or replace. Safety concern.
Other Powertrain codes on this vehicle
P0001
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P0002
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P0003
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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
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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