Acura DTC P1122 – Throttle Position Higher Than Expected
DTC P1122 meaning on Acura
The DTC P1122 on an Acura indicates that the throttle position sensor is reporting a higher than expected voltage signal to the Engine Control Module (ECM). This means that the ECM is receiving a signal suggesting that the throttle position is higher than it should be based on the actual position of the throttle.
Acura DTC P1122 symptoms
Common symptoms associated with DTC P1122 on an Acura may include:
- Check Engine Light (CEL) illuminated on the dashboard
- Reduced engine power or acceleration response
- Engine stalling or rough idling
- Difficulty maintaining a consistent speed
Acura DTC P1122 causes
The potential causes of DTC P1122 on an Acura can include:
- Throttle position sensor malfunction
- Wiring or connector issues in the throttle position sensor circuit
- ECM software or hardware problems
Acura DTC P1122 seriousness
While DTC P1122 may not always result in immediate drivability issues, it is important to address this code promptly to prevent potential long-term damage to the engine or other components. Ignoring the issue could lead to poor performance, reduced fuel efficiency, or even engine stalling in some cases.
How to diagnose DTC P1122 on Acura
To diagnose DTC P1122 on an Acura, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the trouble codes stored in the ECM
- Inspect the throttle position sensor and its wiring for any visible damage or corrosion
- Test the throttle position sensor’s voltage output using a multimeter
- Check for any related ECM software updates or reprogramming
How to fix DTC P1122 on Acura
To fix DTC P1122 on an Acura, the following steps may be taken:
- Replace the throttle position sensor if it is found to be faulty
- Repair any damaged wiring or connectors in the throttle position sensor circuit
- Clear the trouble codes from the ECM memory after the repair is completed
- Perform a test drive to ensure the issue has been resolved
How to erase DTC P1122 on Acura
To erase DTC P1122 on an Acura, you can use a diagnostic scanner to clear the trouble codes stored in the ECM. After the repair or maintenance has been completed, connect the scanner to the vehicle’s OBD-II port, navigate to the code clearing function, and follow the on-screen prompts to erase the DTC P1122 code. Once the code is cleared, the Check Engine Light should turn off if there are no other issues present.
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