Infiniti DTC P1390 – G Sensor Circuit Intermittent Voltage Low
DTC P1390 meaning on Infiniti
DTC P1390 on an Infiniti refers to the G Sensor Circuit Intermittent Voltage Low. This diagnostic trouble code indicates that there is an intermittent low voltage condition detected in the G sensor circuit.
Infiniti DTC P1390 symptoms
Symptoms associated with DTC P1390 on an Infiniti may include:
- Check Engine Light (MIL) illuminated
- Intermittent loss of engine power
- Unusual handling or steering behavior
Infiniti DTC P1390 causes
Common causes of DTC P1390 on an Infiniti include:
- Faulty G sensor
- Intermittent wiring or connection issues in the G sensor circuit
- Corrosion or poor electrical connections
Infiniti DTC P1390 seriousness
The seriousness of DTC P1390 on an Infiniti depends on the underlying cause. Ignoring this code may lead to potential safety hazards or further damage to the vehicle’s systems.
How to diagnose DTC P1390 on Infiniti
To diagnose DTC P1390 on an Infiniti, follow these steps:
- Use a diagnostic scanner to retrieve the trouble codes and freeze frame data.
- Inspect the G sensor and its wiring for any visible damage or corrosion.
- Perform a thorough visual inspection of the G sensor circuit components.
- Test the G sensor for proper voltage and continuity.
How to fix DTC P1390 on Infiniti
To fix DTC P1390 on an Infiniti, consider the following:
- Replace the faulty G sensor if necessary.
- Repair any damaged wiring or connections in the G sensor circuit.
- Clean or replace corroded connectors to ensure proper electrical contact.
How to erase DTC P1390 on Infiniti
To erase DTC P1390 on an Infiniti, use a diagnostic scanner to clear the trouble codes from the vehicle’s memory. Ensure that the underlying issue has been resolved before clearing the code.