Lexus DTC P1125 – Throttle Control Motor Circuit Malfunction
DTC P1125 meaning on Lexus
DTC P1125 for Lexus indicates a Throttle Control Motor Circuit Malfunction. This fault code is triggered when the Engine Control Module (ECM) detects an issue with the circuit that controls the throttle actuator motor.
Lexus DTC P1125 symptoms
Symptoms of DTC P1125 on a Lexus may include:
- Check Engine Light illuminated
- Reduced engine power
- Unresponsive throttle
- Engine stalling
Lexus DTC P1125 causes
Common causes of DTC P1125 on a Lexus include:
- Faulty throttle control motor
- Wiring or connector issues in the throttle control motor circuit
- Defective Engine Control Module (ECM)
Lexus DTC P1125 seriousness
DTC P1125 should be addressed promptly as it can lead to drivability issues and potential safety concerns. Ignoring this fault code may result in further damage to engine components.
How to diagnose DTC P1125 on Lexus
To diagnose DTC P1125 on a Lexus, a mechanic should:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data
- Inspect the throttle control motor and its wiring for any visible damage
- Test the throttle control motor circuit for continuity and proper voltage
- Check the ECM for any signs of malfunction
How to fix DTC P1125 on Lexus
To fix DTC P1125 on a Lexus, the following steps may be taken:
- Replace the faulty throttle control motor
- Repair or replace any damaged wiring or connectors in the circuit
- If necessary, replace the Engine Control Module (ECM)
How to erase DTC P1125 on Lexus
To erase DTC P1125 on a Lexus, the fault code can be cleared using a diagnostic scanner. After the repair has been completed, the scanner can be used to reset the ECM and clear the code from the system.
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