Throttle Unit Faulty Signal
2024-2024 Volvo EX90 Single Motor RWD
Description
The ECM detected a faulty signal from the electronic throttle body unit. The throttle position signal is erratic, intermittent, or outside the expected voltage range.
Symptoms
- Check Engine Light
- Reduced power mode
- Erratic idle
- Poor throttle response
- ETC warning light
Common Causes
- Faulty throttle body unit
- Carbon buildup on throttle plate affecting sensor
- Damaged wiring to throttle body
- Corroded throttle body connector
- ECM throttle input fault
Diagnostic Steps
- Read throttle position values with VIDA/DiCE
- Inspect throttle body connector
- Clean throttle body
- Test throttle body wiring
- Perform throttle body adaptation
Repair Notes
Clean the throttle body and perform adaptation; replace if signal remains faulty.
Related Codes
Other Powertrain Codes
- P0070Ambient Air Temperature Sensor Circuit
- P0071Ambient Air Temperature Sensor Range/Performance
- P0072Ambient Air Temperature Sensor Circuit Low
- P0073Ambient Air Temperature Sensor Circuit High
- P0115Engine Coolant Temperature (ECT) Sensor 1 Circuit
- P0116ECT Sensor 1 Circuit Range/Performance
- P0117ECT Sensor 1 Circuit Low Input
- P0118ECT Sensor 1 Circuit High Input
- P0119ECT Sensor 1 Circuit Intermittent
- P0125Insufficient Coolant Temperature for Closed Loop Fuel Control
P1124 on Other Vehicles
Common Questions
What does code P1124 mean on a 2024-2024 Volvo EX90?
P1124 stands for "Throttle Unit Faulty Signal". The ECM detected a faulty signal from the electronic throttle body unit. The throttle position signal is erratic, intermittent, or outside the expected voltage range.
What are the symptoms of P1124 on a Volvo EX90?
Common symptoms of P1124 include: Check Engine Light, Reduced power mode, Erratic idle, Poor throttle response, ETC warning light.
What causes P1124 on a 2024-2024 Volvo EX90?
Common causes of P1124 include: Faulty throttle body unit, Carbon buildup on throttle plate affecting sensor, Damaged wiring to throttle body, Corroded throttle body connector, ECM throttle input fault.