P0122 2017 GMC Sierra Code - Throttle Position Sensor 1 Circuit Low Voltage
Quick Answer
The Throttle Body Assembly contains a contact-less inductive throttle position sensing element that is managed by a customized integrated circuit. Common causes include Faulty Throttle Body Assembly, Throttle Body Assembly harness is open or shorted, Throttle Body Assembly 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
- P0122 2017 GMC Sierra indicates Throttle Position Sensor 1 Circuit Low Voltage.
- Common causes
- Common causes include Faulty Throttle Body Assembly, Throttle Body Assembly harness is open or shorted, Throttle Body Assembly 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 P0122 2017 GMC Sierra Description
What are the Possible Causes of the DTC P0122 2017 GMC Sierra?
- Faulty Throttle Body Assembly
- Throttle Body Assembly harness is open or shorted
- Throttle Body Assembly circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0122 2017 GMC Sierra?
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 P0122 2017 GMC Sierra 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.
Need more information about the P0122 2017 GMC Sierra code?
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Frequently Asked Questions about P0122 2017 GMC Sierra Code
1. What does the OBDII code P0122 mean for a 2017 GMC Sierra?
P0122 indicates that the Throttle Position Sensor (TPS) 1 circuit is experiencing low voltage, which may affect throttle and engine performance.
2. What are common symptoms of code P0122 in a 2017 GMC Sierra?
Symptoms may include poor acceleration, rough idle, reduced engine power, and the Check Engine Light turning on.
3. What causes the P0122 code to appear on a 2017 GMC Sierra?
Possible causes include a faulty throttle position sensor, damaged wiring or connectors, or issues with the engine control module (ECM).
4. Can I drive my 2017 GMC Sierra with a P0122 code?
It’s not recommended to drive with this code active as it can lead to reduced engine power and unsafe driving conditions.
5. How do I fix the P0122 code on a 2017 GMC Sierra?
Repairs may involve replacing the throttle position sensor, repairing damaged wiring, or cleaning electrical connections in the TPS circuit.
6. How do I test the throttle position sensor for code P0122?
You can use a multimeter to measure voltage at the TPS connector and ensure it falls within the manufacturer's specifications.
7. How much does it cost to repair the P0122 code on a 2017 GMC Sierra?
Throttle position sensor replacement can range from $100 to $300, depending on parts and labor costs.
8. Can a dirty throttle body cause the P0122 code on a 2017 GMC Sierra?
Yes, a dirty throttle body can affect sensor readings and contribute to low voltage issues.
9. Will clearing the P0122 code fix the issue permanently?
Clearing the code may temporarily remove the Check Engine Light, but the underlying problem must be addressed to prevent the code from returning.
10. Is P0122 a common problem for the 2017 GMC Sierra?
While not extremely common, issues with the throttle position sensor can occur over time due to wear or electrical problems.
Discuss the causes and fixes for P0122 2017 GMC Sierra OBDII Code
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