P1109 Honda Code - BARO Sensor Circuit Out of Range High
Quick Answer
The P1109 Honda diagnostic trouble code (DTC) indicates that the BARO (Barometric Pressure) sensor circuit is out of range high. Common causes include Faulty BARO sensor, Damaged wiring or connectors in the sensor circuit, ECM malfunction. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1109 Honda indicates BARO Sensor Circuit Out of Range High.
- Common causes
- Common causes include Faulty BARO sensor, Damaged wiring or connectors in the sensor circuit, ECM malfunction.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1109 Honda Description
The P1109 Honda diagnostic trouble code (DTC) indicates that the BARO (Barometric Pressure) sensor circuit is out of range high. The BARO sensor is a crucial component in the vehicle's engine management system, as it measures the atmospheric pressure to determine the air density and adjust the fuel mixture accordingly. When the BARO sensor circuit is out of range high, it means that the signal being sent to the engine control module (ECM) is higher than expected, leading to potential issues with fuel delivery and engine performance.
Common Causes of P1109 Honda
- Faulty BARO sensor
- Damaged wiring or connectors in the sensor circuit
- ECM malfunction
- Intake manifold leaks
- Air intake system issues
Symptoms of P1109 Honda
- Decreased fuel efficiency
- Engine hesitation or stalling
- Rough idling or surging
- Check Engine Light illuminated
- Increased emissions
How to Fix P1109 Honda
- Perform a thorough inspection of the BARO sensor, wiring, and connectors for any visible damage or corrosion.
- Test the BARO sensor using a multimeter to ensure it is within the specified voltage range.
- Check the ECM for any fault codes and reset as needed to clear the error code.
- Inspect the intake manifold for leaks or cracks and repair or replace as necessary.
- Clear the error code from the ECM memory and road test the vehicle to verify that the issue has been resolved.
Cost to Fix P1109 Honda
The typical repair costs for addressing a P1109 Honda BARO Sensor Circuit Out of Range High code can vary depending on the specific vehicle make and model, as well as the extent of the issue. In general, the cost of parts for a new BARO sensor can range from $50 to $150, while labor costs can range from $100 to $200. Additional costs may be incurred if other components need to be replaced or repaired. It's important to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on your vehicle's unique circumstances.
Need more information about the P1109 Honda code?
Need more information on how to fix the P1109 Honda code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1109 Honda code diagnosed by a professional: Find a repair shop in your area
Information for Specific Honda Models
- P1109 2008 Honda Accord — BARO Sensor Circuit Out of Range High
- P1109 2009 Honda Accord — BARO Sensor Circuit Out of Range High
- P1109 2010 Honda Accord — BARO Sensor Circuit Out of Range High
Frequently Asked Questions about P1109 Honda Code
No Frequently Asked Questions about P1109 Honda Code found.
Discuss the causes and fixes for P1109 Honda OBDII Code
Code P1109 Honda comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.