P0123 1997 Honda Civic Code - Throttle Position Sensor/Switch 'A' Circuit High Voltage
Quick Answer
The Throttle Position Sensor (TPS) responds to the accelerator pedal movement. Common causes include Faulty throttle position sensor, Throttle position sensor harness is open or shorted, Throttle position sensor circuit poor electrical connection. 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
- P0123 1997 Honda Civic indicates Throttle Position Sensor/Switch 'A' Circuit High Voltage.
- Common causes
- Common causes include Faulty throttle position sensor, Throttle position sensor harness is open or shorted, Throttle position sensor circuit poor electrical connection.
- 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.
Code P0123 1997 Honda Civic Description
Idle position of the throttle valve is determined by the ECM receiving the signal from the throttle position sensor. This sensor controls engine operation such as fuel cut. On the other hand, the Wide open and closed throttle position switch, which is built into the throttle position sensor unit, is not used for engine control.
What are the Possible Causes of the DTC P0123 1997 Honda Civic?
- Faulty throttle position sensor
- Throttle position sensor harness is open or shorted
- Throttle position sensor circuit poor electrical connection
How to Fix the DTC P0123 1997 Honda Civic?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0123 1997 Honda Civic code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0123 1997 Honda Civic Code
1. What does OBDII code P0123 mean for a 1997 Honda Civic?
The code P0123 indicates a high voltage condition in the Throttle Position Sensor/Switch 'A' Circuit on a 1997 Honda Civic.
2. What are the common symptoms of a P0123 OBDII code in a 1997 Honda Civic?
Common symptoms include issues with acceleration, poor engine performance, stalling, and the vehicle going into "limp mode."
3. What are the potential causes of a P0123 OBDII code in a 1997 Honda Civic?
Potential causes include a faulty throttle position sensor, damaged wiring or connectors in the sensor circuit, or a problem with the engine control module.
4. How can I diagnose a P0123 OBDII code on my 1997 Honda Civic?
Diagnosing a P0123 code typically involves using a scan tool to read the code, checking the throttle position sensor's voltage output, inspecting the sensor's wiring and connectors, and testing the sensor's resistance.
5. Can I drive my 1997 Honda Civic with a P0123 OBDII code?
It is not recommended to drive your vehicle with a P0123 code, as it can lead to further engine damage and safety issues. It is best to address the problem as soon as possible.
6. How can I repair a P0123 OBDII code on a 1997 Honda Civic?
Repair options may include replacing the throttle position sensor, repairing damaged wiring or connectors, or reprogramming the engine control module.
7. Are there any DIY tips for fixing a P0123 OBDII code on a 1997 Honda Civic?
While some basic troubleshooting steps can be done at home, it is recommended to consult a professional mechanic for a proper diagnosis and repair of a P0123 code.
8. How much does it typically cost to repair a P0123 OBDII code on a 1997 Honda Civic?
The cost of repairing a P0123 code can vary depending on the cause of the issue, but it may range from $100 to $300 for parts and labor.
9. Will resetting the OBDII system clear a P0123 code on a 1997 Honda Civic?
Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not fixed, the code is likely to return. It is important to address the root cause of the problem.
10. How often does a P0123 OBDII code occur in a 1997 Honda Civic?
The occurrence of a P0123 code can vary depending on the vehicle's condition and maintenance history. If the throttle position sensor is failing or there are wiring issues, the code may appear more frequently.
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