P1122 Honda Code - Throttle Position Sensor Signal Higher Than Expected
Quick Answer
P1122 Honda indicates Throttle Position Sensor Signal Higher Than Expected. 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
- P1122 Honda indicates Throttle Position Sensor Signal Higher Than Expected.
- 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 P1122 Honda Description
What are the Possible Causes of the DTC P1122 Honda?
- Faulty Throttle Position Sensor
- Throttle Position Sensor harness is open or shorted
- Throttle Position Sensor circuit poor electrical connection
How to Fix the DTC P1122 Honda?
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 P1122 Honda 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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Information for Specific Honda Models
- P1122 1996 Honda Civic — Throttle Position Sensor Signal Higher Than Expected
- P1122 1997 Honda Civic — Throttle Position Sensor Signal Higher Than Expected
- P1122 1998 Honda Civic — Throttle Position Sensor Signal Higher Than Expected
- P1122 1999 Honda Civic — Throttle Position Sensor Signal Higher Than Expected
- P1122 2000 Honda Civic — Throttle Position Sensor Signal Higher Than Expected
Frequently Asked Questions about P1122 Honda Code
What does the OBDII code P1122 mean for a Honda?
The P1122 code indicates that the throttle position sensor (TPS) signal is higher than expected, suggesting an issue with the TPS or its circuit.
What are the common symptoms of the P1122 code?
Symptoms include poor acceleration, rough idling, stalling, reduced fuel efficiency, and the check engine light turning on.
What causes the P1122 code on a Honda?
Common causes include a faulty throttle position sensor, damaged wiring, corroded connectors, or issues with the engine control module (ECM).
Can a P1122 code cause driveability issues?
Yes, this code can lead to erratic throttle response, reduced power, or difficulty maintaining speed.
How can I diagnose the P1122 code on my Honda?
Start by inspecting the TPS, wiring, and connectors for damage or corrosion. Use a multimeter to test the sensor's voltage output and check for proper signal range.
Can I drive with the P1122 code active?
Driving with this code is not recommended as it can affect throttle response and engine performance, increasing the risk of unsafe driving conditions.
How is the P1122 code fixed?
Repairs may include replacing the throttle position sensor, repairing damaged wiring or connectors, and resetting the ECM.
What tools are needed to troubleshoot the P1122 code?
You’ll need an OBDII scanner, a multimeter, and basic tools to inspect and replace components such as the TPS.
How much does it cost to repair a P1122 code?
Repair costs vary but typically range from $100 to $300 for parts and labor, depending on whether the TPS or wiring needs replacement.
Can a dirty throttle body cause the P1122 code?
Yes, a dirty throttle body can affect the TPS signal and lead to this code, so cleaning the throttle body may help resolve the issue.
Discuss the causes and fixes for P1122 Honda OBDII Code
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