P0122 2017 Chevrolet Silverado Code - Throttle Position Sensor 1 Circuit Low Voltage
Quick Answer
The P0122 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates that there is a low voltage condition in the Throttle Position Sensor (TPS) 1 circuit. Common causes include Worn or damaged throttle position sensor, Corrosion or poor electrical connection in the TPS circuit, Faulty wiring or connectors in the TPS circuit. 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 Chevrolet Silverado indicates Throttle Position Sensor 1 Circuit Low Voltage.
- Common causes
- Common causes include Worn or damaged throttle position sensor, Corrosion or poor electrical connection in the TPS circuit, Faulty wiring or connectors in the TPS circuit.
- 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.
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Code P0122 2017 Chevrolet Silverado Description
The P0122 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates that there is a low voltage condition in the Throttle Position Sensor (TPS) 1 circuit. The TPS is a crucial component of the vehicle's electronic throttle control system, responsible for monitoring the position of the throttle pedal and sending this information to the engine control module (ECM). This data is used by the ECM to determine the appropriate air-fuel mixture for optimal engine performance.
Common Causes of P0122 2017 Chevrolet Silverado
- Worn or damaged throttle position sensor.
- Corrosion or poor electrical connection in the TPS circuit.
- Faulty wiring or connectors in the TPS circuit.
- Issues with the ECM or other related components.
- Environmental factors such as moisture or debris affecting the TPS.
Symptoms of P0122 2017 Chevrolet Silverado
- Poor acceleration or hesitation when pressing the throttle pedal.
- Rough idling or stalling when coming to a stop.
- Decreased fuel efficiency.
- Check Engine Light illuminated on the dashboard.
- Limited engine performance or speed.
How to Fix P0122 2017 Chevrolet Silverado
- Begin by diagnosing the issue using a scan tool to retrieve the specific trouble code and confirm the TPS 1 circuit low voltage condition.
- Inspect the TPS and its wiring for any visible damage, corrosion, or loose connections. Clean or repair as necessary.
- Test the TPS using a multimeter to ensure it is functioning within the specified voltage range. Replace the TPS if it is out of range.
- Clear the DTC from the ECM using the scan tool and perform a test drive to verify that the issue has been resolved.
- If the problem persists, further diagnostics may be required to identify any underlying issues with the ECM or other related components.
Cost to Fix P0122 2017 Chevrolet Silverado
The typical repair costs for addressing a P0122 code on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, replacing a throttle position sensor can range from $50 to $200, while labor costs can add an additional $80 to $150 per hour. Overall, the total repair cost for this issue may range from $150 to $400, but it is advisable to check with local auto repair shops for more accurate estimates based on your location and vehicle specifics. Keep in mind that rates can vary based on factors such as the make and model of the vehicle, as well as the expertise of the technicians performing the repair.
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