What does code P1122 mean on Isuzu vehicles?
The ECU detects intermittently low voltage in the throttle position sensor circuit, affecting throttle response accuracy.
OBD-II Code Isuzu
P1122 — Isuzu — Throttle Position Sensor Circuit Intermittent Voltage Low
The ECU detects intermittently low voltage in the throttle position sensor circuit, affecting throttle response accuracy.
Common symptoms
- Loss of throttle response
- hesitation
Possible causes
- Damaged TPS wiring
- faulty TPS sensor
Initial recommendation
Perform TPS diagnostics, inspect wiring continuity and signal stability.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Isuzu code P1122 with your vehicle's actual symptoms for more complete diagnostic guidance.
Go to the app View more brands