P1120moderate severityPowertrain
Secondary Throttle Position Sensor Circuit
on 2021 Nissan NV3500 5.6L V8 · FWD
What this code means
Fault in the secondary TPS circuit for additional airflow control.
Symptoms
- CEL
- Reduced power
- Erratic throttle
- Limp mode
Common causes
- Faulty secondary TPS
- Damaged wiring
- Contaminated throttle body
Diagnostic steps
- Test sensor voltage
- Inspect wiring
- Clean throttle body
- Compare to specs
Repair notes
Replace secondary TPS.
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P0010
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P0013
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P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1