P0122
Throttle/Pedal Position Sensor/Switch A Circuit Low Input
2007-2012 Nissan Altima 2.5L I4
High SeverityPowertrainGeneric (SAE)
Description
The TPS voltage is below the minimum threshold.
Symptoms
- Check Engine Light
- Limp mode
- Engine stuck at idle
- No throttle response
Common Causes
- Short to ground in TPS circuit
- Faulty TPS
- Damaged wiring
- Failed reference voltage
Diagnostic Steps
- Test TPS voltage
- Check for shorts to ground
- Test 5V reference
- Inspect wiring
Repair Notes
Repair short or replace TPS.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0122 on Other Vehicles
Nissan 200SX
1995-1998 1.6L I4 GA16DE
Nissan 200SX SE-R
1995-1998 2.0L I4 SR20DE
Nissan 240SX
1995-1998 2.4L I4 KA24DE
Nissan 300ZX
1990-1996 3.0L V6 VG30DE
Nissan 300ZX Twin Turbo
1990-1996 3.0L Twin-Turbo V6 VG30DETT
Nissan 350Z
2003-2006 3.5L V6 VQ35DE
Nissan 350Z
2007-2009 3.5L V6 VQ35HR
Nissan 370Z
2009-2020 3.7L V6 VQ37VHR
Common Questions
What does code P0122 mean on a 2007-2012 Nissan Altima?
P0122 stands for "Throttle/Pedal Position Sensor/Switch A Circuit Low Input". The TPS voltage is below the minimum threshold.
What are the symptoms of P0122 on a Nissan Altima?
Common symptoms of P0122 include: Check Engine Light, Limp mode, Engine stuck at idle, No throttle response.
What causes P0122 on a 2007-2012 Nissan Altima?
Common causes of P0122 include: Short to ground in TPS circuit, Faulty TPS, Damaged wiring, Failed reference voltage.