P1122 Buick Code - Throttle Position Sensor Circuit Intermittent Low Voltage
Quick Answer
The P1122 Buick code indicates a problem with the Throttle Position Sensor (TPS) circuit having intermittent low voltage. Common causes include Faulty Throttle Position Sensor, Damaged wiring or connectors in the TPS circuit, Malfunctioning Engine Control Module. 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 Buick indicates Throttle Position Sensor Circuit Intermittent Low Voltage.
- Common causes
- Common causes include Faulty Throttle Position Sensor, Damaged wiring or connectors in the TPS circuit, Malfunctioning Engine Control Module.
- 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 P1122 Buick Description
The P1122 Buick code indicates a problem with the Throttle Position Sensor (TPS) circuit having intermittent low voltage. The TPS is a crucial component of the electronic throttle control system, which helps regulate the amount of air entering the engine. The TPS provides feedback to the engine control module (ECM) regarding the position of the throttle, allowing the ECM to adjust fuel delivery and ignition timing accordingly.
Common Causes of P1122 Buick
- Faulty Throttle Position Sensor
- Damaged wiring or connectors in the TPS circuit
- Malfunctioning Engine Control Module
- Issues with the throttle body assembly
Symptoms of P1122 Buick
- Erratic throttle response
- Stalling or hesitation during acceleration
- Poor fuel efficiency
- Engine misfires
- Illuminated check engine light
How to Fix P1122 Buick
- Begin by conducting a thorough inspection of the TPS circuit, wiring, and connectors to check for any visible damage or corrosion.
- Test the Throttle Position Sensor using a multimeter to determine if it is operating within the manufacturer's specified range.
- If the TPS is faulty, replace it with a new, OEM-quality sensor and ensure proper calibration.
- Clear the diagnostic trouble codes from the ECM and perform a test drive to verify that the issue has been resolved.
- If the problem persists, further diagnose the ECM or throttle body assembly for any potential faults.
Cost to Fix P1122 Buick
The typical repair costs for addressing a P1122 Buick code can vary depending on the specific cause of the issue and the labor rates in your area. In general, replacing a faulty Throttle Position Sensor can cost between $100 to $200 for parts, with additional labor costs ranging from $100 to $200. However, these costs can fluctuate based on the make and model of your vehicle, as well as the rates charged by the auto repair shop. It is advisable to obtain quotes from multiple shops to ensure a more accurate estimate.
When is the Code Detected?
Need more information about the P1122 Buick code?
Need more information on how to fix the P1122 Buick code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1122 Buick code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1122 Buick Code
No Frequently Asked Questions about P1122 Buick Code found.
Discuss the causes and fixes for P1122 Buick OBDII Code
Code P1122 Buick 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.